Get immediate superclass info in Java

/* w  w  w  .  j  ava 2 s .c o  m*/
import java.util.Set;
import javax.swing.JDialog;

public class Main {

  public static void main(final String[] args) {
    System.out.println("JDialog --|> " + JDialog.class.getSuperclass());
    System.out.println("Integer --|> " + Integer.class.getSuperclass());
    System.out.println("Object --|> " + Object.class.getSuperclass());
    System.out.println("int --|> " + int.class.getSuperclass());
    System.out.println("int[] --|> " + int[].class.getSuperclass());
    System.out.println("Set --|> " + Set.class.getSuperclass());
    System.out.println("Comparable --|> " + Comparable.class.getSuperclass());
  }
}