How can I programmatically generate keypress events?
awt, awtrobot, java, keyboard, system
Solution
Use the Robot class.
Code snippet:
import java.awt.Robot;
import java.awt.KeyEvent;
Robot r = new Robot();
int keyCode = KeyEvent.VK_A; // the A key
r.keyPress(keyCode);
// later...
r.keyRelease(keyCode);
However, if you are trying to automate a task on your computer, I would recommend AutoHotKey. It's dedicated to automating common tasks, so it would be easier to use it instead of Java.
Problem
What the java program should do is it should trigger keyboard press on some condition without a person pressing a keyboard key. So any program running in windows and in focus which requires keyboard input will get the input without a person actually pressing the keyboard. I found these related questions here : question 1, question 2 I was wondering if there is any method to do this in Java.