예제 #1
0
  public void options() {
    int option;
    System.out.println("Options: 1 = Add");
    System.out.println("Options: 2 = Subtract");
    System.out.println("Options: 3 = Divide");
    System.out.println("Options: 4 = Multiply");
    option = m.op.nextInt();

    if (option == 1) {
      getValue();
      c.addNumbers();
    }
    if (option == 2) {
      getValue();
      c.subtractNumbers();
    }
    if (option == 3) {
      getValue();
      c.divideNumbers();
    }
    if (option == 4) {
      getValue();
      c.multiplyNumbers();
    }
    if (option > 4 || option < 1) {
      System.out.println("You have entered an invalid number");
      options();
    }
  }