JAVA模拟键盘按键测试类

package src;
import java.awt.Robot;
import java.awt.event.KeyEvent;

public class KeyPressTest {
 
 public static void main(String[] args) {
  Robot robot = null;
  try {
   robot = new Robot();
   robot.keyPress(KeyEvent.VK_ALT);
   robot.keyPress(KeyEvent.VK_CONTROL);
   robot.keyPress(KeyEvent.VK_Z);
   //Thread.sleep(5000);//5秒
   robot.keyRelease(KeyEvent.VK_ALT);
   robot.keyRelease(KeyEvent.VK_CONTROL);
   robot.keyRelease(KeyEvent.VK_Z);   
  } catch (Exception e) {
   e.printStackTrace();
  } finally{
   try{
    robot.keyRelease(KeyEvent.VK_ALT);
    robot.keyRelease(KeyEvent.VK_CONTROL);
    robot.keyRelease(KeyEvent.VK_Z); 
   }catch(Exception e){}
  }
 }
}