{"id":9568,"date":"2023-09-24T21:29:27","date_gmt":"2023-09-24T21:29:27","guid":{"rendered":"https:\/\/adelnasim.com\/docs\/courses\/object-oriented-programming-in-java\/classes-and-objects\/"},"modified":"2024-04-07T01:19:58","modified_gmt":"2024-04-07T01:19:58","slug":"classes-and-objects","status":"publish","type":"docs","link":"https:\/\/adelnasim.com\/ar\/docs\/courses\/object-oriented-programming-in-java\/classes-and-objects\/","title":{"rendered":"\u0627\u0644\u0641\u0626\u0627\u062a Classes \u0648\u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a Objects"},"content":{"rendered":"

\u0625\u0646\u0634\u0627\u0621 \u0641\u0626\u0629 \u0641\u064a Java \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 NetBeans:<\/h1>\n

\u062a\u0634\u0628\u0647 \u0627\u0644\u0641\u0626\u0627\u062a \u0627\u0644\u0645\u062e\u0637\u0637\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0628\u0646\u064a\u0629 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a \u0648\u0633\u0644\u0648\u0643\u0647\u0627 \u0641\u064a Java. \u0641\u0643\u0631 \u0641\u064a\u0647\u0627 \u0643\u0646\u0645\u0627\u0630\u062c \u0644\u0628\u0646\u0627\u0621 \u0643\u0627\u0626\u0646\u0627\u062a \u0645\u062d\u062f\u062f\u0629 \u0630\u0627\u062a \u062e\u0635\u0627\u0626\u0635 \u0648\u0642\u062f\u0631\u0627\u062a \u0641\u0631\u064a\u062f\u0629.<\/p>\n

\u0641\u064a Apache NetBeans\u060c \u0627\u062a\u0628\u0639 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u0625\u0646\u0634\u0627\u0621 class \u062c\u062f\u064a\u062f:<\/p>\n

\u0625\u0639\u062f\u0627\u062f \u0645\u0634\u0631\u0648\u0639:<\/h2>\n
    \n
  1. \u0625\u0630\u0647\u0628 \u0625\u0644\u0649 File >> New Project >> Java Application<\/li>\n
  2. \u0642\u0645 \u0628\u062a\u0633\u0645\u064a\u0629 \u0645\u0634\u0631\u0648\u0639\u0643 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c JavaOOP) \u0648\u0627\u0646\u0642\u0631 \u0641\u0648\u0642 \"Finish\".<\/li>\n<\/ol>\n

    \u0625\u0646\u0634\u0627\u0621 Package:<\/h2>\n
      \n
    1. \u0627\u0646\u062a\u0642\u0644 \u0625\u0644\u0649 \u0642\u0633\u0645 Source Package.<\/li>\n
    2. \u0627\u0646\u0642\u0631 \u0641\u0648\u0642 \u0639\u0644\u0627\u0645\u0629 + \u0648\u0627\u062e\u062a\u0631 \u062c\u062f\u064a\u062f New > \u062d\u0632\u0645\u0629 Java Package.<\/li>\n
    3. \u0642\u0645 \u0628\u062a\u0633\u0645\u064a\u0629 \u0627\u0644\u0640package \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c com.mycompany.javaoop) \u0648\u0627\u0646\u0642\u0631 \u0641\u0648\u0642 \"Finish\".<\/li>\n<\/ol>\n

      \u0625\u0646\u0634\u0627\u0621 Class:<\/h2>\n
        \n
      1. \u0627\u0646\u0642\u0631 \u0628\u0632\u0631 \u0627\u0644\u0645\u0627\u0648\u0633 \u0627\u0644\u0623\u064a\u0645\u0646 \u0639\u0644\u0649 package \u0627\u0644\u062a\u064a \u0642\u0645\u062a \u0628\u0625\u0646\u0634\u0627\u0626\u0647\u0627.<\/li>\n
      2. \u062d\u062f\u062f \u062c\u062f\u064a\u062f New > \u0641\u0626\u0629 Java Class.<\/li>\n
      3. \u0642\u0645 \u0628\u062a\u0633\u0645\u064a\u0629 \u0627\u0644\u0640class (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c Main) \u0648\u0627\u0646\u0642\u0631 \u0641\u0648\u0642 \"Finish\".<\/li>\n<\/ol>\n

        \u0627\u0644\u0643\u0648\u062f:<\/h2>\n
        package com.mycompany.javaoop;\r\n\r\npublic class Main {\r\n    public static void main(String[] args) {\r\n        System.out.println(\"JAVA\");\r\n    }\r\n}\r\n<\/pre>\n
        \u0634\u0631\u062d \u0627\u0644\u0643\u0648\u062f:<\/h2>\n
        - package com.mycompany.javaoop;: \u064a\u062d\u062f\u062f \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u062d\u0632\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0646\u062a\u0645\u064a \u0625\u0644\u064a\u0647\u0627 \u0641\u0626\u062a\u0643 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629. \u064a\u0633\u0627\u0639\u062f \u062a\u0646\u0638\u064a\u0645 \u0627\u0644\u0641\u0626\u0627\u062a \u0641\u064a \u062d\u0632\u0645 \u0641\u064a \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0628\u0646\u064a\u0629 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0648\u062a\u062c\u0646\u0628 \u062a\u0639\u0627\u0631\u0636 \u0627\u0644\u0623\u0633\u0645\u0627\u0621.
        \n\u2013 public class Main: \u0647\u0630\u0627 \u064a\u0639\u0644\u0646 \u0639\u0646 \u0641\u0626\u0629 \u0639\u0627\u0645\u0629 \u062a\u0633\u0645\u0649 Main. \u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0640classes \u0627\u0644\u0639\u0627\u0645\u0629 \u0645\u0646 \u0623\u062c\u0632\u0627\u0621 \u0623\u062e\u0631\u0649 \u0645\u0646 \u0645\u0634\u0631\u0648\u0639\u0643.
        \n\u2013 public static void main(String[] args): \u0647\u0630\u0647 \u0647\u064a \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 main\u060c \u0648\u0647\u064a \u0646\u0642\u0637\u0629 \u0627\u0644\u062f\u062e\u0648\u0644 \u062d\u064a\u062b \u064a\u0628\u062f\u0623 \u062a\u0646\u0641\u064a\u0630 \u0628\u0631\u0646\u0627\u0645\u062c\u0643.
        \n- System.out.println(\"JAVA\");: \u064a\u0637\u0628\u0639 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u0646\u0635 \"JAVA\" \u0639\u0644\u0649 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a.<\/p>\n
        \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627:<\/h2>\n
        : \u0625\u0630\u0627 \u0648\u0627\u062c\u0647\u062a \u0647\u0630\u0627 \u0627\u0644\u062e\u0637\u0623\u060c \u0641\u062a\u0623\u0643\u062f \u0645\u0646 \u062a\u0639\u064a\u064a\u0646 \u062d\u0642\u0644 Main Class \u0641\u064aRun configuration \u0639\u0644\u0649 com.mycompany.javaoop.Main.<\/p>\n
        \u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u062e\u0637\u0623 \"No main classes found\" \u0641\u064a NetBeans:<\/strong><\/p>\n
          \n
        1. \u0627\u0646\u0642\u0631 \u0628\u0632\u0631 \u0627\u0644\u0645\u0627\u0648\u0633 \u0627\u0644\u0623\u064a\u0645\u0646 \u0639\u0644\u0649 \u0627\u0633\u0645 \u0627\u0644\u0645\u0634\u0631\u0648\u0639 (\u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629\u060c \"JavaOOP\") \u0641\u064a \u0646\u0627\u0641\u0630\u0629 \u0627\u0644\u0645\u0634\u0627\u0631\u064a\u0639.<\/li>\n
        2. \u062d\u062f\u062f \u062e\u0635\u0627\u0626\u0635 Properties.<\/li>\n
        3. \u0627\u0646\u062a\u0642\u0644 \u0625\u0644\u0649 \u0641\u0626\u0629 Run.<\/li>\n
        4. \u0641\u064a \u062d\u0642\u0644 Main Class\u060c \u0623\u062f\u062e\u0644 \u0627\u0644\u0627\u0633\u0645 \u0627\u0644\u0645\u0624\u0647\u0644 \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0644main class\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0633\u0645 \u0627\u0644\u0640 package. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0633\u0645 \u0627\u0644\u0641\u0626\u0629 \"Main\" \u0648\u0643\u0627\u0646 \u0645\u0648\u062c\u0648\u062f\u064b\u0627 \u0641\u064a \u0627\u0644\u062d\u0632\u0645\u0629 \"com.mycompany.javaoop\"\u060c \u0641\u064a\u0645\u0643\u0646\u0643 \u0625\u062f\u062e\u0627\u0644 com.mycompany.javaoop.Main.<\/li>\n
        5. \u0627\u0646\u0642\u0631 OK  \u0644\u062d\u0641\u0638 \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a.<\/li>\n<\/ol>\n
          \u0627\u0644\u0622\u0646 \u062d\u0627\u0648\u0644 \u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0645\u0631\u0629 \u0623\u062e\u0631\u0649. \u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0645 \u062a\u0646\u0641\u064a\u0630\u0647 \u062f\u0648\u0646 \u0638\u0647\u0648\u0631 \u0627\u0644\u062e\u0637\u0623 \"No main classes found\".<\/p>\n
          \u0625\u0646\u0634\u0627\u0621 \u0627\u0644\u0641\u0626\u0627\u062a Classes \u0648\u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a Objects:<\/h1>\n
          \u0645\u0644\u0641\u0627\u062a \u0645\u0646\u0641\u0635\u0644\u0629 \u0644\u0641\u0626\u0627\u062a \u0645\u0646\u0641\u0635\u0644\u0629:<\/strong> \u062a\u062d\u062a\u0627\u062c \u0643\u0644 \u0641\u0626\u0629 \u0641\u064a Java \u0625\u0644\u0649 \u0645\u0644\u0641 \u062e\u0627\u0635 \u0628\u0647\u0627\u060c \u064a\u062e\u062a\u0644\u0641 \u0639\u0646 \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 Main. \u0648\u0647\u0630\u0627 \u064a\u0639\u0632\u0632 \u0627\u0644\u062a\u0646\u0638\u064a\u0645 \u0648\u0627\u0644\u0646\u0645\u0637\u064a\u0629 \u0641\u064a \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643.<\/p>\n
          \u0625\u0646\u0634\u0627\u0621 Car Class:<\/strong><\/p>\n
            \n
          1. \u0627\u0646\u0642\u0631 \u0628\u0632\u0631 \u0627\u0644\u0645\u0627\u0648\u0633 \u0627\u0644\u0623\u064a\u0645\u0646 \u0639\u0644\u0649 \u0627\u0644\u062d\u0632\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0631\u064a\u062f \u0625\u0646\u0634\u0627\u0621 \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0641\u064a\u0647\u0627 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c com.mycompany.javaoop).<\/li>\n
          2. \u062d\u062f\u062f \u062c\u062f\u064a\u062f New  > \u0641\u0626\u0629 Java Class.<\/li>\n
          3. \u0642\u0645 \u0628\u062a\u0633\u0645\u064a\u0629 \u0627\u0644\u0641\u0626\u0629 Car (\u0643\u062a\u0627\u0628\u0629 \u0627\u0644\u062d\u0631\u0641 \u0627\u0644\u0623\u0648\u0644 \u0628\u0627\u0644\u0623\u062d\u0631\u0641 \u0627\u0644\u0643\u0628\u064a\u0631\u0629 \u0647\u0648 \u0627\u0635\u0637\u0644\u0627\u062d \u062a\u0633\u0645\u064a\u0629 Java).<\/li>\n
          4. \u0627\u0646\u0642\u0631 \u0641\u0648\u0642 Finish. \u064a\u0624\u062f\u064a \u0647\u0630\u0627 \u0625\u0644\u0649 \u0625\u0646\u0634\u0627\u0621 \u0645\u0644\u0641 \u062c\u062f\u064a\u062f \u0628\u0627\u0633\u0645 Car.java \u0636\u0645\u0646 \u0627\u0644\u062d\u0632\u0645\u0629 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0643.<\/li>\n<\/ol>\n
            \u0637\u0631\u064a\u0642\u0629 \u062a\u0633\u0645\u064a\u0629 \u0627\u0644\u0640 Classes:<\/strong><\/p>\n
              \n
            • \u064a\u0628\u062f\u0623 \u0627\u0633\u0645 \u0627\u0644\u0640class \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u062d\u0631\u0641 \u0643\u0628\u064a\u0631.<\/li>\n
            • \u0627\u0633\u062a\u062e\u062f\u0645 \u0623\u0633\u0645\u0627\u0621 \u0648\u0635\u0641\u064a\u0629 \u062a\u0639\u0643\u0633 \u063a\u0631\u0636 \u0627\u0644\u0640class(\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c Car, Person, Account).<\/li>\n
            • \u062a\u062c\u0639\u0644 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642 \u0627\u0644\u0643\u0648\u062f \u0623\u0643\u062b\u0631 \u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u0644\u0642\u0631\u0627\u0621\u0629 \u0648\u0623\u0633\u0647\u0644 \u0644\u0644\u0641\u0647\u0645.<\/li>\n<\/ul>\n
              \u0645\u062b\u0627\u0644 1:<\/strong><\/p>\n
              class Car {\r\n    String name;\r\n    int maxSpeed;\r\n    float price;\r\n    int model;\r\n}<\/pre>\n
              \u0625\u0639\u0644\u0627\u0646 \u0627\u0644\u0640Class:<\/p>\n
                \n
              • \u0641\u0626\u0629 Car \u2013 \u064a\u0639\u0644\u0646 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0639\u0646 \u0641\u0626\u0629 \u062c\u062f\u064a\u062f\u0629 \u062a\u0633\u0645\u0649 Car.<\/li>\n<\/ul>\n
                \u0635\u0641\u0627\u062a:<\/p>\n
                  \n
                • String name\u061b - \u064a\u062d\u062f\u062f attribute \u062a\u0633\u0645\u0649 name \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 String. \u0633\u064a\u062a\u0645 \u062a\u062e\u0632\u064a\u0646 \u0627\u0633\u0645car object.<\/li>\n
                • int maxSpeed\u061b - \u064a\u062d\u062f\u062f attribute  \u062a\u0633\u0645\u0649 maxSpeed \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 int. \u0633\u064a\u062a\u0645 \u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0644\u062c\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0628\u0627\u0644\u0643\u064a\u0644\u0648\u0645\u062a\u0631\u0627\u062a \u0641\u064a \u0627\u0644\u0633\u0627\u0639\u0629.<\/li>\n
                • float price - \u064a\u062d\u062f\u062f attribute  \u062a\u0633\u0645\u0649 price \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 float. \u0633\u064a\u062a\u0645 \u062a\u062e\u0632\u064a\u0646 \u0633\u0639\u0631 \u0643\u0627\u0626\u0646 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0628\u062a\u0646\u0633\u064a\u0642 floating-point.<\/li>\n
                • int model\u061b - \u064a\u062d\u062f\u062f attribute \u062a\u0633\u0645\u0649 model \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 int. \u0633\u064a\u062a\u0645 \u062a\u062e\u0632\u064a\u0646 \u0633\u0646\u0629 \u0637\u0631\u0627\u0632 \u062c\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.<\/li>\n<\/ul>\n
                  \u0627\u0644\u0622\u0646 \u0633\u0646\u0642\u0648\u0645 \u0628\u0625\u0646\u0634\u0627\u0621 \u0645\u062b\u064a\u0644\u0627\u062a\u0646\u0627 \u0644\u0641\u0626\u0629 Car \u0641\u064a \u0627\u0644\u0641\u0626\u0629 Main\u060c \u0644\u0623\u0646\u0647\u0627 \u0646\u0642\u0637\u0629 \u0627\u0644\u062f\u062e\u0648\u0644 \u0644\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u062d\u064a\u062b \u064a\u0628\u062f\u0623 \u0627\u0644\u062a\u0646\u0641\u064a\u0630.<\/p>\n
                  public class Main\r\n{\r\n    public static void main(String args[]) {\r\n        Car c1 = new Car();\r\n        c1.name = \"Tesla\";\r\n        c1.maxSpeed = 210;\r\n        Car c2 = new Car();\r\n        c2.name = \"Kia\";\r\n        System.out.println(c1.name);\r\n        System.out.println(c1.maxSpeed);\r\n        System.out.println(c2.name);\r\n    }\r\n}<\/pre>\n
                  \u0644\u0627 \u064a\u0632\u0627\u0644 \u0647\u0630\u0627 \u0627\u0644\u0643\u0648\u062f \u064a\u0633\u062a\u062e\u062f\u0645 Car class \u0645\u0639 attributes  \u0645\u062b\u0644 name, maxSpeed, price, \u0648model.
                  \nMain Class:<\/p>\n
                    \n
                  • public static void main(String args[]): \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0647\u0648 \u0646\u0642\u0637\u0629 \u0627\u0644\u062f\u062e\u0648\u0644 \u0644\u0628\u0631\u0646\u0627\u0645\u062c\u0643.<\/li>\n
                  • Car c1 = new Car();: \u064a\u0642\u0648\u0645 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0628\u0625\u0646\u0634\u0627\u0621 instance \u062c\u062f\u064a\u062f \u0644\u0641\u0626\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0648\u062a\u062e\u0635\u064a\u0635\u0647 \u0644\u0644\u0645\u062a\u063a\u064a\u0631 c1.<\/li>\n
                  • c1.name = \"Tesla\"\u061b: \u064a\u0642\u0648\u0645 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0628\u062a\u0639\u064a\u064a\u0646 name attribute \u0644\u0643\u0627\u0626\u0646 c1 \u0639\u0644\u0649 \"Tesla\".<\/li>\n
                  • c1.maxSpeed = 210;: \u064a\u0642\u0648\u0645 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0628\u062a\u0639\u064a\u064a\u0646  maxSpeed attribute \u0644\u0644\u0643\u0627\u0626\u0646 c1 \u0639\u0644\u0649 210 \u0643\u064a\u0644\u0648\u0645\u062a\u0631\u064b\u0627 \u0641\u064a \u0627\u0644\u0633\u0627\u0639\u0629.<\/li>\n
                  • Car c2 = new Car();: \u064a\u0642\u0648\u0645 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0628\u0625\u0646\u0634\u0627\u0621 instance \u062c\u062f\u064a\u062f \u0622\u062e\u0631 \u0644\u0641\u0626\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0648\u062a\u062e\u0635\u064a\u0635\u0647 \u0644\u0644\u0645\u062a\u063a\u064a\u0631 c2.<\/li>\n
                  • c2.name = \"Kia\"\u061b: \u064a\u0642\u0648\u0645 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0628\u062a\u0639\u064a\u064a\u0646 name attribute \u0644\u0643\u0627\u0626\u0646 c2 \u0639\u0644\u0649 \"Kia\".<\/li>\n
                  • System.out.println(c1.name);: \u064a\u0637\u0628\u0639 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0642\u064a\u0645\u0629 name attribute \u0644\u0644\u0643\u0627\u0626\u0646 c1 \u0625\u0644\u0649 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u062a\u0637\u0628\u0639 \"Tesla\".<\/li>\n
                  • System.out.println(c1.maxSpeed);: \u064a\u0637\u0628\u0639 \u0647\u0630\u0627 \u0627\u0644\u062e\u0637 \u0642\u064a\u0645\u0629 \u0633\u0645\u0629 maxSpeed \u0644\u0644\u0643\u0627\u0626\u0646 c1 \u0625\u0644\u0649 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u062a\u0637\u0628\u0639 \"210\".<\/li>\n
                  • System.out.println(c2.name);: \u064a\u0637\u0628\u0639 \u0647\u0630\u0627 \u0627\u0644\u0633\u0637\u0631 \u0642\u064a\u0645\u0629 name attribute \u0644\u0644\u0643\u0627\u0626\u06462c1 \u0625\u0644\u0649 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u062a\u0637\u0628\u0639 \"Kia\".<\/li>\n<\/ul>\n
                    \u0645\u062b\u0627\u0644 2:<\/strong><\/p>\n
                    Car Class:<\/p>\n
                    class Car { \r\n    String name; \r\n    int maxSpeed; \r\n    float price; \r\n    int model;\r\n    \r\n    void setName(String n) {\r\n        name = n;\r\n    }\r\n    String getName() {\r\n        return name;\r\n    }\r\n}<\/pre>\n
                      \n
                    • \u0648\u0644\u0647 \u0623\u0631\u0628\u0639 \u0633\u0645\u0627\u062a: name, maxSpeed, price, and model. \u0644\u0627 \u062a\u0638\u0647\u0631 \u0647\u0630\u0647 \u0627\u0644\u0633\u0645\u0627\u062a \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0644\u0643\u0646 \u064a\u0645\u0643\u0646\u0647\u0627 \u062a\u062e\u0632\u064a\u0646 \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0648\u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0648\u0627\u0644\u0633\u0639\u0631 \u0648\u0633\u0646\u0629 \u0627\u0644\u0637\u0631\u0627\u0632.<\/li>\n
                    • \u0648\u0644\u0647 \u0637\u0631\u064a\u0642\u062a\u0627\u0646 \u0623\u064a\u0636\u064b\u0627:
                      \n- setName(String n): \u062a\u0623\u062e\u0630 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 string argument n \u0648\u062a\u0642\u0648\u0645 \u0628\u062a\u0639\u064a\u064a\u0646 \u0633\u0645\u0629 \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0639\u0644\u0649 \u062a\u0644\u0643 \u0627\u0644\u0642\u064a\u0645\u0629.
                      \n- getName(): \u062a\u0642\u0648\u0645 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0628\u0625\u0631\u062c\u0627\u0639 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0644\u0640name attribute  \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0643\u0646\u0635.<\/li>\n<\/ul>\n
                      Main Class:<\/p>\n
                      public class Main\r\n{\r\n    public static void main(String args[]) {\r\n        Car c1 = new Car();\r\n        c1.name = \"Tesla\";\r\n        c1.setName(\"KIA\");\r\n        System.out.println(c1.getName());\r\n    }\r\n}<\/pre>\n
                        \n
                      • \u064a\u0642\u0648\u0645 \u0628\u0625\u0646\u0634\u0627\u0621 instance \u062c\u062f\u064a\u062f \u0644\u0641\u0626\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0648\u064a\u0639\u064a\u0646\u0647 \u0644\u0644\u0645\u062a\u063a\u064a\u0631 c1.<\/li>\n
                      • \u064a\u0642\u0648\u0645 \u0628\u062a\u0639\u064a\u064a\u0646 \u0633\u0645\u0629 \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0625\u0644\u0649 \"Tesla\" \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0639\u064a\u064a\u0646 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 (c1.name = \"Tesla\").<\/li>\n
                      • \u062b\u0645 \u064a\u0642\u0648\u0645 \u0628\u0627\u0644\u0643\u062a\u0627\u0628\u0629 \u0641\u0648\u0642 \u0627\u0644\u0627\u0633\u0645 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0627\u0633\u062a\u062f\u0639\u0627\u0621 \u0627\u0644\u0623\u0633\u0644\u0648\u0628 setName \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0648\u0633\u064a\u0637\u0629 \"KIA\". \u062a\u0642\u0648\u0645 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0628\u062a\u063a\u064a\u064a\u0631 \u0633\u0645\u0629 \u0627\u0644\u0627\u0633\u0645 \u0627\u0644\u062f\u0627\u062e\u0644\u064a \u0644\u0644\u0643\u0627\u0626\u0646 c1.<\/li>\n
                      • \u0648\u0623\u062e\u064a\u0631\u064b\u0627\u060c \u064a\u0642\u0648\u0645 \u0628\u0637\u0628\u0627\u0639\u0629 \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0637\u0631\u064a\u0642\u0629 getName\u060c \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u0631\u062f \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 (\"KIA\") \u0648\u062a\u0637\u0628\u0639\u0647\u0627 \u0639\u0644\u0649 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a.<\/li>\n<\/ul>\n
                        \u0645\u062b\u0627\u0644 3:<\/strong><\/p>\n
                        Class Car:<\/p>\n
                        class Car { \r\n    String name; \r\n    int maxSpeed; \r\n    float price; \r\n    int model;\r\n    \r\n    void setName(String n) { \/\/ Setters\/ Mutators\r\n        name = n;\r\n    }\r\n    String getName() {       \/\/ Getters\/ Accessors\r\n        return name;\r\n    }\r\n    void setModel(int m) {\r\n        if(m >= 2015)\r\n            model = m;\r\n        else\r\n            System.out.println(\"Sorry, we do not accept this model\");\r\n    }\r\n    int getModel() {\r\n        return model;\r\n    }\r\n}<\/pre>\n
                          \n
                        • Attributes: \u0644\u0627 \u064a\u0632\u0627\u0644 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 name, maxSpeed, price, and model.<\/li>\n
                        • \u0627\u0644\u0637\u0631\u0642 Methods:
                          \n- Setters: \u062a\u0633\u0645\u062d \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u0642 \u0628\u062a\u0639\u064a\u064a\u0646 \u0642\u064a\u0645 attribute \u0645\u062d\u062f\u062f\u0629.
                          \n- setName(String n): \u064a\u0636\u0628\u0637 \u0633\u0645\u0629 \u0627\u0644\u0627\u0633\u0645.
                          \n- setModel(int m): \u064a\u0636\u0628\u0637 \u0633\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0645\u0639 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0635\u062d\u0629\u060c \u0648\u064a\u0642\u0628\u0644 \u0641\u0642\u0637 \u0627\u0644\u0623\u0639\u0648\u0627\u0645 2015 \u0623\u0648 \u0627\u0644\u0623\u062d\u062f\u062b.
                          \n- Getters: \u062a\u0633\u062a\u0631\u062f \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u0642 \u0642\u064a\u0645 attribute \u0645\u062d\u062f\u062f\u0629.
                          \n- getName (): \u0625\u0631\u062c\u0627\u0639 \u0642\u064a\u0645\u0629 \u0633\u0645\u0629 \u0627\u0644\u0627\u0633\u0645.
                          \n- getModel (): \u0625\u0631\u062c\u0627\u0639 \u0642\u064a\u0645\u0629 \u0633\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c.<\/li>\n<\/ul>\n
                          Main Class:<\/p>\n
                          public class Main\r\n{\r\n    public static void main(String args[]) {\r\n        Car c1 = new Car();\r\n        c1.name = \"Tesla\";\r\n        c1.setModel(2021);\r\n        System.out.println(c1.getModel()); \/\/ 2021\r\n    }\r\n}\r\n<\/pre>\n
                            \n
                          • Car c1 = new Car();: \u0625\u0646\u0634\u0627\u0621 \u0643\u0627\u0626\u0646 \u0633\u064a\u0627\u0631\u0629 \u062c\u062f\u064a\u062f.<\/li>\n
                          • c1.name = \"Tesla\";: \u064a\u0636\u0628\u0637 \u0633\u0645\u0629 \u0627\u0644\u0627\u0633\u0645 \u0644\u0640 c1 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0633\u0644\u0648\u0643 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a (\u0644\u0627 \u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0623\u062f\u0627\u0629 \u0636\u0628\u0637 setter).<\/li>\n
                          • c1.setModel(2021);: \u062a\u0639\u064a\u064a\u0646 \u0633\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0644\u0640 c1 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u062f\u0627\u0629 \u0627\u0644\u0636\u0628\u0637. \u0646\u0638\u0631\u064b\u0627 \u0644\u0623\u0646 \u0639\u0627\u0645 2021 \u0635\u0627\u0644\u062d\u060c \u0641\u0625\u0646\u0647 \u064a\u0642\u0648\u0645 \u0628\u062a\u062d\u062f\u064a\u062b \u0627\u0644\u0646\u0645\u0648\u0630\u062c.<\/li>\n
                          • System.out.println(c1.getModel());: \u0637\u0628\u0627\u0639\u0629 \u0633\u0645\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u0644\u0640 c1\u060c \u0648\u0627\u0644\u062a\u064a \u064a\u062c\u0628 \u0623\u0646 \u062a\u0646\u062a\u062c \"2021\".<\/li>\n<\/ul>\n
                            \u0645\u0639\u062f\u0651\u0644\u0627\u062a \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0648\u0635\u0648\u0644 Access Level Modifiers \u0641\u064a Java<\/h1>\n
                            (\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a Visibility \u0648Encapsulation)<\/p>\n
                            \u0645\u0639\u062f\u0651\u0644\u0627\u062a \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0648\u0635\u0648\u0644 \u0647\u064a \u0628\u0646\u064a\u0627\u062a \u0623\u0633\u0627\u0633\u064a\u0629 \u0641\u064a Java \u062a\u062d\u062f\u062f \u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u0631\u0624\u064a\u0629 \u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0640class \u0648\u0625\u0645\u0643\u0627\u0646\u064a\u0629 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0645 (fields, methods, constructors). \u0625\u0646\u0647\u0645 \u064a\u0644\u0639\u0628\u0648\u0646 \u062f\u0648\u0631\u064b\u0627 \u062d\u0627\u0633\u0645\u064b\u0627 \u0641\u064a \u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0640encapsulation\u060c \u0648\u0647\u0648 \u0645\u0628\u062f\u0623 \u0623\u0633\u0627\u0633\u064a \u0644\u0644\u0628\u0631\u0645\u062c\u0629 \u0627\u0644\u0645\u0648\u062c\u0647\u0629 \u0644\u0644\u0643\u0627\u0626\u0646\u0627\u062a \u0648\u0627\u0644\u0630\u064a \u064a\u0636\u0645\u0646 \u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u0627\u0644\u0646\u0645\u0637\u064a\u0629.<\/p>\n
                            \u0646\u0642\u0627\u0637 \u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n
                              \n
                            • Visibility: \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0639\u0636\u0648 \u0627\u0644\u0641\u0635\u0644 \u0645\u0631\u0626\u064a\u064b\u0627 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0648\u0642\u0627\u0628\u0644 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0646 \u0623\u062c\u0632\u0627\u0621 \u0623\u062e\u0631\u0649 \u0645\u0646 \u0627\u0644\u0643\u0648\u062f.<\/li>\n
                            • Accessibility: \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u0627\u0644\u0648\u0635\u0648\u0644 \u0645\u0628\u0627\u0634\u0631\u0629 \u0625\u0644\u0649 \u0639\u0636\u0648 \u0627\u0644\u0641\u0635\u0644 \u062f\u0648\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0622\u0644\u064a\u0627\u062a \u062e\u0627\u0635\u0629.<\/li>\n<\/ul>\n
                              \u0623\u0646\u0648\u0627\u0639 \u0645\u0639\u062f\u0651\u0644\u0627\u062a \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0648\u0635\u0648\u0644 Access Level Modifiers:<\/h2>\n
                                \n
                              1. Public:
                                \n\u0627\u0644\u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0645\u0639\u0644\u0646\u0648\u0646 \u0644\u0644\u0639\u0627\u0645\u0629 \u064a\u0643\u0648\u0646\u0648\u0646 \u0645\u0631\u0626\u064a\u064a\u0646 \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0645 \u0645\u0646 \u0623\u064a \u0645\u0643\u0627\u0646 \u0641\u064a \u0628\u0631\u0646\u0627\u0645\u062c\u0643.
                                \n\u0627\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0627 \u0627\u0644\u0645\u0639\u062f\u0644 \u0628\u062d\u0643\u0645\u0629 \u0644\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639\u060c \u0648\u0644\u0643\u0646 \u0643\u0646 \u062d\u0630\u0631\u064b\u0627 \u062d\u062a\u0649 \u0644\u0627 \u062a\u0643\u0634\u0641 \u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u062f\u0648\u0646 \u062f\u0627\u0639.<\/li>\n
                              2. Private:
                                \n\u0627\u0644\u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0630\u064a\u0646 \u062a\u0645 \u0627\u0644\u0625\u0639\u0644\u0627\u0646 \u0639\u0646 \u062e\u0635\u0648\u0635\u064a\u062a\u0647\u0645 \u064a\u0643\u0648\u0646\u0648\u0646 \u0645\u0631\u0626\u064a\u064a\u0646 \u0641\u0642\u0637 \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0645 \u062f\u0627\u062e\u0644 \u0627\u0644\u0640class \u0627\u0644\u0630\u064a \u062a\u0645 \u062a\u0639\u0631\u064a\u0641\u0647\u0645 \u0641\u064a\u0647.
                                \n\u0648\u0647\u0630\u0627 \u064a\u0639\u0632\u0632 \u0627\u0644\u0640encapsulation \u0639\u0646 \u0637\u0631\u064a\u0642 \u062a\u0642\u064a\u064a\u062f \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0625\u0644\u0649 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062f\u0627\u062e\u0644\u064a\u0629\u060c \u0648\u062a\u0634\u062c\u064a\u0639 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u062a\u0641\u0627\u0639\u0644\u0627\u062a \u0645\u0639 \u0627\u0644\u0640class.<\/li>\n
                              3. Protected:
                                \n\u0627\u0644\u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0630\u064a\u0646 \u062a\u0645 \u0627\u0644\u0625\u0639\u0644\u0627\u0646 \u0639\u0646 \u062d\u0645\u0627\u064a\u062a\u0647\u0645 \u064a\u0643\u0648\u0646\u0648\u0646 \u0645\u0631\u0626\u064a\u064a\u0646 \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0645 \u062f\u0627\u062e\u0644 \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u062a\u0639\u0631\u064a\u0641\u0647\u0645 \u0641\u064a\u0647\u0627\u060c \u0648\u0641\u0626\u0627\u062a\u0647\u0627 \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0641\u064a \u0646\u0641\u0633 \u0627\u0644\u062d\u0632\u0645\u0629\u060c \u0648\u0627\u0644\u0641\u0626\u0627\u062a \u0627\u0644\u0641\u0631\u0639\u064a\u0629 \u0641\u064a \u062d\u0632\u0645 \u0645\u062e\u062a\u0644\u0641\u0629 (\u0648\u0644\u0643\u0646 \u0644\u064a\u0633 \u0645\u0628\u0627\u0634\u0631\u0629 \u0645\u0646 \u0627\u0644\u0641\u0626\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649 \u0641\u064a \u062d\u0632\u0645 \u0645\u062e\u062a\u0644\u0641\u0629).
                                \n\u064a\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u0645\u0639\u062f\u0644 \u0645\u0641\u064a\u062f\u064b\u0627 \u0644\u0625\u0646\u0634\u0627\u0621 \u0641\u0626\u0629 \u0623\u0633\u0627\u0633\u064a\u0629 (superclass) \u0645\u0639 \u0623\u0639\u0636\u0627\u0621 \u0645\u062d\u0645\u064a\u064a\u0646 \u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0645 \u0648\u0645\u0646 \u0627\u0644\u0645\u062d\u062a\u0645\u0644 \u0623\u0646 \u064a\u062a\u0645 \u062a\u062c\u0627\u0648\u0632\u0647\u0645 \u0628\u0648\u0627\u0633\u0637\u0629 \u0641\u0626\u0627\u062a\u0647\u0627 \u0627\u0644\u0641\u0631\u0639\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0639\u0632\u0632 \u0625\u0639\u0627\u062f\u0629 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0648\u0627\u0644\u0640inheritance.<\/li>\n
                              4. Default (Package-Private):
                                \n\u0627\u0644\u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0645\u0639\u0644\u0646\u0648\u0646 \u062f\u0648\u0646 \u0623\u064a \u0645\u0639\u062f\u0651\u0644 \u0648\u0635\u0648\u0644 \u064a\u0643\u0648\u0646\u0648\u0646 \u0645\u0631\u0626\u064a\u064a\u0646 \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0645 \u0636\u0645\u0646 \u0646\u0641\u0633 \u0627\u0644\u062d\u0632\u0645\u0629 (\u0627\u0644\u062d\u0632\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0641\u0626\u0629).
                                \n\u0648\u0647\u0630\u0627 \u064a\u0648\u0641\u0631 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0628\u064a\u0646 \u0627\u0644\u0631\u0624\u064a\u0629 \u0648\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0648\u0635\u0648\u0644 \u062f\u0627\u062e\u0644 \u0627\u0644\u062d\u0632\u0645\u0629.<\/li>\n<\/ol>\n
                                \u0645\u062b\u0627\u0644 4:<\/strong><\/p>\n
                                \u064a\u0648\u0636\u062d \u0647\u0630\u0627 \u0627\u0644\u0643\u0648\u062f \u0628\u0634\u0643\u0644 \u0641\u0639\u0627\u0644 \u0627\u0644\u0645\u0641\u0627\u0647\u064a\u0645 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0627\u0644\u0645\u0648\u062c\u0647\u0629 \u0644\u0644\u0643\u0627\u0626\u0646\u0627\u062a \u0645\u062b\u0644 \u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0648\u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u0648\u0635\u0648\u0644 \u0648\u062a\u0641\u0627\u0639\u0644 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a \u0641\u064a Java. \u0641\u0647\u0648 \u064a\u0648\u0641\u0631 \u0623\u0633\u0627\u0633\u064b\u0627 \u0645\u062a\u064a\u0646\u064b\u0627 \u0644\u0628\u0646\u0627\u0621 \u062a\u0637\u0628\u064a\u0642\u0627\u062a Java \u0623\u0643\u062b\u0631 \u062a\u0639\u0642\u064a\u062f\u064b\u0627 \u0648\u0642\u0648\u0629.<\/p>\n
                                Car Class:<\/p>\n
                                public class Car { \r\n    private String name; \r\n    private int maxSpeed; \r\n    private float price; \r\n    private int model;\r\n    \r\n    public void setName(String n) { \/\/ Setters\/ Mutators\r\n        name = n;\r\n    }\r\n    public String getName() {       \/\/ Getters\/ Accessors\r\n        return name;\r\n    }\r\n    public void setModel(int m) {\r\n        if(m >= 2015)\r\n            model = m;\r\n        else\r\n            System.out.println(\"Sorry, we do not accept this model\");\r\n    }\r\n    public int getModel() {\r\n        return model;\r\n    }\r\n}<\/pre>\n
                                  \n
                                • \u0635\u0641\u0627\u062a:
                                  \n- name: \u0646\u0635 \u062e\u0627\u0635 \u064a\u062e\u0632\u0646 \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.
                                  \n- maxSpeed: \u062e\u0627\u0635 \u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0633\u0631\u0639\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u0644\u0644\u0633\u064a\u0627\u0631\u0629.
                                  \n\u2013 price: \u062e\u0627\u0635 \u062a\u062e\u0632\u0646 \u0633\u0639\u0631 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.
                                  \n- model: \u062e\u0627\u0635 \u0628\u062a\u062e\u0632\u064a\u0646 \u0633\u0646\u0629 \u0645\u0648\u062f\u064a\u0644 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.<\/li>\n
                                • \u0627\u0644\u0637\u0631\u0642 Methods:
                                  \n-setName(String n): \u0623\u062f\u0627\u0629 \u0636\u0628\u0637 \u0639\u0627\u0645\u0629 \u0644\u062a\u0639\u064a\u064a\u0646 \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.
                                  \n- getName(): \u0623\u062f\u0627\u0629 \u0639\u0627\u0645\u0629 \u0644\u0627\u0633\u062a\u0631\u062f\u0627\u062f \u0627\u0633\u0645 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.
                                  \n\u2013 setModel(int m): \u0623\u062f\u0627\u0629 \u0636\u0628\u0637 \u0639\u0627\u0645\u0629 \u0644\u062a\u0639\u064a\u064a\u0646 \u0633\u0646\u0629 \u0637\u0631\u0627\u0632 \u0627\u0644\u0633\u064a\u0627\u0631\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0635\u062d\u0629 \u0644\u0633\u0646\u0648\u0627\u062a 2015 \u0623\u0648 \u0645\u0627 \u0628\u0639\u062f\u0647.
                                  \n- getModel(): \u0623\u062f\u0627\u0629 \u0639\u0627\u0645\u0629 \u0644\u0627\u0633\u062a\u0631\u062f\u0627\u062f \u0633\u0646\u0629 \u0637\u0631\u0627\u0632 \u0627\u0644\u0633\u064a\u0627\u0631\u0629.<\/li>\n<\/ul>\n
                                  Main Class:<\/p>\n
                                  public class Main\r\n{\r\n    public static void main(String args[]) {\r\n        Car c1 = new Car();\r\n    c1.setModel(2021);\r\n    System.out.println(c1.getModel()); \/\/ 2021\r\n    }\r\n}<\/pre>\n
                                    \n
                                  • Car c1 = new Car();: \u0625\u0646\u0634\u0627\u0621 \u0643\u0627\u0626\u0646 \u0633\u064a\u0627\u0631\u0629 \u062c\u062f\u064a\u062f \u0628\u0627\u0633\u0645 c1.<\/li>\n
                                  • c1.setModel(2021);: \u064a\u062d\u0627\u0648\u0644 \u062a\u0639\u064a\u064a\u0646 \u0646\u0645\u0648\u0630\u062c c1 \u0639\u0644\u0649 2021. \u0646\u062c\u062d \u0647\u0630\u0627 \u0644\u0623\u0646 2021 \u0633\u0646\u0629 \u0635\u0627\u0644\u062d\u0629.<\/li>\n
                                  • System.out.println(c1.getModel());: \u0637\u0628\u0627\u0639\u0629 \u0646\u0645\u0648\u0630\u062c c1 \u0639\u0644\u0649 \u0634\u0627\u0634\u0629 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0637\u0628\u0627\u0639\u0629 \"2021\".<\/li>\n<\/ul>\n
                                    \u0646\u0642\u0627\u0637 \u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n
                                      \n
                                    • Encapsulation: \u062a\u0642\u0648\u0645 \u0641\u0626\u0629 \u0627\u0644\u0633\u064a\u0627\u0631\u0629 \u0628\u062a\u063a\u0644\u064a\u0641 \u0628\u064a\u0627\u0646\u0627\u062a\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0633\u0645\u0627\u062a \u062e\u0627\u0635\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u062a\u062d\u0643\u0645 \u0641\u064a\u0647 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0637\u0631\u0642 \u0627\u0644\u0639\u0627\u0645\u0629.<\/li>\n
                                    • \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0635\u062d\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a: \u062a\u062a\u0636\u0645\u0646 \u0637\u0631\u064a\u0642\u0629 setModel \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0635\u062d\u0629 \u0644\u0645\u0646\u0639 \u0633\u0646\u0648\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c \u063a\u064a\u0631 \u0627\u0644\u0635\u0627\u0644\u062d\u0629\u060c \u0648\u062a\u0639\u0632\u064a\u0632 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/li>\n
                                    • \u062a\u0641\u0627\u0639\u0644 \u0627\u0644\u0643\u0627\u0626\u0646: \u062a\u0648\u0636\u062d \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0643\u064a\u0641\u064a\u0629 \u0625\u0646\u0634\u0627\u0621 \u0643\u0627\u0626\u0646 \u0633\u064a\u0627\u0631\u0629 \u0648\u0627\u0644\u062a\u0641\u0627\u0639\u0644 \u0645\u0639\u0647 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u0633\u0627\u0644\u064a\u0628\u0647 \u0627\u0644\u0639\u0627\u0645\u0629.<\/li>\n
                                    • Setters and Getters: \u062a\u0648\u0641\u0631 \u0647\u0630\u0647 \u0627\u0644\u0623\u0633\u0627\u0644\u064a\u0628 \u0637\u0631\u064a\u0642\u0629 \u064a\u0645\u0643\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a\u0647\u0627 \u0644\u062a\u0639\u062f\u064a\u0644 \u0648\u0627\u0633\u062a\u0631\u062c\u0627\u0639 \u0633\u0645\u0627\u062a \u0627\u0644\u0643\u0627\u0626\u0646\u060c \u0645\u0639 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0645\u0628\u0627\u062f\u0626 \u0627\u0644\u062a\u063a\u0644\u064a\u0641.<\/li>\n<\/ul>\n
                                      \u0625\u062e\u0641\u0627\u0621 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/h1>\n
                                      \u0625\u062e\u0641\u0627\u0621 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0648 \u0623\u0633\u0644\u0648\u0628 \u062a\u0637\u0648\u064a\u0631 \u0628\u0631\u0645\u062c\u064a\u0627\u062a \u064a\u0633\u062a\u062e\u062f\u0645 \u062e\u0635\u064a\u0635\u064b\u0627 \u0641\u064a \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0627\u0644\u0634\u064a\u0626\u064a\u0629 (OOP). \u064a\u0636\u0645\u0646 \u0625\u062e\u0641\u0627\u0621 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u062d\u0635\u0631\u064a \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0625\u0644\u0649 \u0623\u0639\u0636\u0627\u0621 \u0627\u0644\u0641\u0635\u0644 \u0648\u064a\u062d\u0645\u064a \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0643\u0627\u0626\u0646 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0645\u0646\u0639 \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a \u063a\u064a\u0631 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629 \u0623\u0648 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629.<\/p>\n
                                      \u0644\u0645\u0627\u0630\u0627 \u0646\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0629\u061f
                                      \n\u0644\u0623\u0646\u0647 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0644\u062f\u064a\u0646\u0627 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u0633\u062a\u062a\u0635\u0644 \u0639\u0628\u0631 \u0627\u0644\u0631\u0633\u0627\u0626\u0644 \u0648\u062a\u0633\u062a\u062e\u062f\u0645 \u0637\u0631\u0642\u064b\u0627 \u0623\u062e\u0631\u0649.<\/p>\n
                                      Encapsulation<\/strong>
                                      \n\u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0647\u0648 \u0622\u0644\u064a\u0629 \u0644\u062a\u063a\u0644\u064a\u0641 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a (\u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a) \u0648\u0627\u0644\u062a\u0639\u0644\u064a\u0645\u0627\u062a \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a (\u0627\u0644\u0637\u0631\u0642) \u0645\u0639\u064b\u0627 \u0643\u0648\u062d\u062f\u0629 \u0648\u0627\u062d\u062f\u0629. \u0641\u064a \u0627\u0644\u062a\u063a\u0644\u064a\u0641\u060c \u0633\u064a\u062a\u0645 \u0625\u062e\u0641\u0627\u0621 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0641\u0626\u0629 \u0639\u0646 \u0627\u0644\u0641\u0626\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649\u060c \u0648\u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u064a\u0647\u0627 \u0625\u0644\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629. \u0644\u0630\u0644\u0643\u060c \u064a\u064f\u0639\u0631\u0641 \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u0633\u0645 \u0625\u062e\u0641\u0627\u0621 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/p>\n
                                      \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062a\u063a\u0644\u064a\u0641 \u0641\u064a \u062c\u0627\u0641\u0627:<\/p>\n
                                        \n
                                      • \u0642\u0645 \u0628\u062a\u0639\u0631\u064a\u0641 \u0645\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0641\u0626\u0629 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u062e\u0627\u0635\u0629.<\/li>\n
                                      • \u062a\u0648\u0641\u064a\u0631 \u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u0636\u0628\u0637 \u0627\u0644\u0639\u0627\u0645\u0629 \u0648 getter \u0644\u062a\u0639\u062f\u064a\u0644 \u0648\u0639\u0631\u0636 \u0642\u064a\u0645 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u062a.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"
                                        Creating a Class in Java using NetBeans: Classes are like blueprints that define the structure and behavior of objects in Java. Think of them as templates for building specific objects with unique properties and abilities. In Apache NetBeans, follow these steps to create a new class: Project Setup: Go to File > New Project > […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":9433,"menu_order":71,"comment_status":"open","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-9568","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/comments?post=9568"}],"version-history":[{"count":13,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9568\/revisions"}],"predecessor-version":[{"id":10615,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9568\/revisions\/10615"}],"up":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/9433"}],"wp:attachment":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/media?parent=9568"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/doc_tag?post=9568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}