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Java program to get the list of defined classes and interfaces in a class

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mahmoud2506
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2022-05-06
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Java program to get the list of defined classes and interfaces in a class

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mahmoud2506
2022-05-06
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Program/Source Code:

The source code to get the list of defined classes and interfaces in a class is given below. The given program is compiled and executed successfully.

// Java program to get the list of defined classes 
// and interfaces in a class

import java.lang.reflect.Field;
public class Main {
  public interface Inf {}

  public class Sample implements Inf {}

  public static void main(String[] args) throws ClassNotFoundException {
    Class cls = Main.class;
    Class[] classes = cls.getClasses();

    System.out.println("Classes and Interfaces defined in Main class: ");
    for (Class cl: classes)
      System.out.println(cl);
  }
}

Output:

Classes and Interfaces defined in Main class: 
class Main$Sample
interface Main$Inf

Explanation:

In the above program, we created a public class Main that contains a main() method. The main() method is the entry point for the program.

 

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