CODEWITHSUNDEEP
javaswitch-statement
Ronauk Maharana
Ronauk Maharana

Reputation: 33

How to use switch case in java such it accepts the character without pressing enter?

Hi I am new to stackoverflow.com I have been using JAVA recently from programming purposes. I have a code using switch case which works fine. This is the code:-

Scanner s=new Scanner(System.in);
int i=1;
while(i>0)
{
    char key = s.next().charAt(0);
    switch(key)
    {
      case 'w':
        System.out.println("I am moving forward");
        break;
      case 's':
        System.out.println("I am moving backward");
        break;
      case 'd':
        System.out.println("I am moving right");
        break;
      case 'a':
        System.out.println("I am moving left");
        break;
      case 'x':
        i=-1;
        break;
      default:
        System.out.println("Plz give a valid command");
    }
}

But the problem is every time I give an input command I have to press enter so that the program accepts the input. I want a method for which the program should accept the command as soon as I give the input character. Any tips please???

Upvotes: 0

Views: 488

Answers (1)

Kenany
Kenany

Reputation: 562

I think that, you must handle the Keyboard events like keyTyped(KeyEvent e){} instead of Scanner(System.in);. You can do it by implementing the KeyListener interface.

Upvotes: 1

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