Page 619 - Computer science 868 Class 12
P. 619

25      break;

                   26      case 2:

                   27      int t=ob.popitem();
                   28      if(t==-9999)
                   29      {

                   30      System.out.println("ERROR: Stack underflow");
                   31      }

                   32      else
                   33      {

                   34      System.out.println("Element"+t+"is Popped from the Stack");
                   35      }

                   36      break;
                   37      case 3:

                   38      ob.printstack();
                   39      break;

                   40      default:
                   41      System.out.println("Invalid choice");

                   42      }
                   43      System.out.println("Do you want to continue?(y/n)");

                   44       x = sc.next();
                   45      }

                   46      while(x.equalsIgnoreCase("y")==true);
                   47      System.out.println("Thank You");

                   48          }
                   49      }


                 Output of the preceding program is as follows:
                 Stack Size: 2

                 Main Menu
                 Press 1 to Push Item To Stack

                 Press 2 to Pop Item Out of Stack
                 Press 3 to Display Items of Stack
                 Enter Choice: 1

                 Enter A Number to Push: 99
                 Do you want to Continue?(y/n)




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