Java Reflection - Java Class.getDeclaredClasses()

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Syntax

Class.getDeclaredClasses() has the following syntax.

public Class <?>[] getDeclaredClasses()    throws SecurityException

Example

In the following code shows how to use Class.getDeclaredClasses() method.

/*from  w w  w.  ja  v a 2  s . co m*/
public class Main {

  public static void main(String[] args) throws Exception {

    Class cls = Class.forName("MyClass");


    Class[] classes = cls.getDeclaredClasses();
    for (int i = 0; i < classes.length; i++) {
      System.out.println("Class = " + classes[i].getName());
    }

  }
}

class MyClass {
  public class InnerClass1 {
    public InnerClass1() {
      System.out.println("Inner Class1");
    }
  }

  public class InnerClass2 {
    public InnerClass2() {
      System.out.println("Inner Class2");
    }
  }

  private class InnerPrivateClass {
    public InnerPrivateClass() {
      System.out.println("Inner Private Class");
    }
  }
}

The code above generates the following result.

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