Robot.keyRelease(int keycode) has the following syntax.
public void keyRelease(int keycode)
In the following code shows how to use Robot.keyRelease(int keycode) method.
/* w ww .ja v a 2s.co m*/ import java.awt.Robot; import java.awt.event.KeyEvent; public class Main { public static void main(String[] argv) throws Exception { Robot robot = new Robot(); robot.keyPress(KeyEvent.VK_A); robot.keyRelease(KeyEvent.VK_A); } }