Fetch nested class info from a Class object in Java

/* w  w  w  .j  a  v a2 s.  co  m*/
import java.util.Arrays;

import javax.swing.JTable;

public class Main {
  public static void main(final String[] args) {
    printMemberClasses(JTable.class);

  }

  public static void printMemberClasses(final Class dataType) {
    final Class[] nestedClasses = dataType.getClasses();
    final Class[] declaredNestedClasses = dataType.getDeclaredClasses();
    final Class[] nestedInterfaces = dataType.getInterfaces();
    final Class declaringClass = dataType.getDeclaringClass();

    System.out.println("Member Class infor for: " + dataType.getName());
    System.out.println("Nested Classes: " + Arrays.asList(nestedClasses));
    System.out.println("Declared Nested Classes: "
                       + Arrays.asList(declaredNestedClasses));
    System.out.println("Interfaces: " + Arrays.asList(nestedInterfaces));
    System.out.println("Declaring Class: " + declaringClass);
  }
}