evaluate keystrokes
java.awt.event.KeyEvent
java.awt.event.KeyAdapter
In the example the keys „Ctrl +“ and „Ctrl -“ shall be discerned:
myControl.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e){ if (e.isControlDown()){ // Ctrl if (e.getKeyCode()==KeyEvent.VK_PLUS) { // + System.out.println("Strg +"); }else{ if (e.getKeyCode()==KeyEvent.VK_MINUS) { // - System.out.println("Strg -"); } } } } });