17. Constructor Invocation

• 
      public class User
      {
          public void any_method( )
          {
              Stack st1;
              Stack st2;
              st1 = new Stack( );		// st1 has capacity of 100
              st2 = new Stack( 200 );	// st2 has capacity of 200
          }//any_method
      
      }//class User