java.lang.Class.getInterfaces()

package com.codingdict;



import java.lang.*;

import java.util.*;



public class ClassDemo {



   public static void main(String[] args) {

      show(Thread.class);

   }



   public static void show(Class cls) {

      System.out.println("Class = " + cls.getName());



      Class[] c = cls.getClasses();

      System.out.println("Classes = " + Arrays.asList(c));



      // returns an array of interfaces

      Class[] i = cls.getInterfaces();

      System.out.println("Interfaces = " + Arrays.asList(i));

   }

}