public class ObjectTest extends Object {
  public static void main(String [] args) {
      Object o1= new Object();
      Object o2= new Object();
      System.out.println(o1.equals(o1));
      System.out.println(o1.equals(o2));
      System.out.println(o1.hashCode());
      System.out.println(o2.hashCode());
      System.out.println(o1.getClass());
      System.out.println(o2.getClass());
      System.out.println(o1.toString());
      System.out.println(o2.toString());
      
  }
}