Thread: Simulate keystroke

So I'm trying to simulate a keystroke I used the following code (see below). When I open notepad it works but when I open the game in which I want to use it, it doesn't do anything. So keystrokes don’t seem to work. I tried to simulate mouse movement and click those action do work. Does anyone knows how to fix this problem??

package MyProject;
 
import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;
 
public class KeyStroke {
 
	public static void main(String[] args) throws AWTException {
 
		Robot robot = new Robot();
 
	    robot.delay(3000);
 
	    robot.keyPress(KeyEvent.VK_Q);
	    robot.keyPress(KeyEvent.VK_W);
	    robot.keyPress(KeyEvent.VK_E);
	    robot.keyPress(KeyEvent.VK_R);
	    robot.keyPress(KeyEvent.VK_T);
	    robot.keyPress(KeyEvent.VK_Y);
 
	}
 
}

How would you know if the key presses were occurring? Are you expecting to see the keys move on your keyboard?

I expected to see it on my screen of course, for example it types "qwerty" in notepad. But I just managed to fix my problem. I already tried KeyPress/Release before but now I keep it pressed for a small amount of time. That did the trick.

package MyProject;
 
import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;
 
public class KeyStroke {
 
	public static void main(String[] args) throws AWTException {
 
            Robot robot = new Robot();
 
	    robot.delay(3000);
 
	    robot.keyPress(KeyEvent.VK_1);
	    robot.delay(100);
	    robot.keyRelease(KeyEvent.VK_1);
	    robot.delay(100);
	    robot.keyPress(KeyEvent.VK_2);
	    robot.delay(100);
	    robot.keyRelease(KeyEvent.VK_2);
 
	}
 
}