KeyPressed independentemente do Programa

public class NovaClasse {

    public Nova Classe(){
        addKeyListener(new KeyListener() {
            public void keyPressed(KeyEvent e) {
                if (e.getKeyCode() == e.VK_LEFT) {
                    System.out.println("Esquerda");
                }
                if (e.getKeyCode() == e.VK_RIGHT) {
                    System.out.println("Direita");
                }
            }

            public void keyReleased(KeyEvent e) {
            }

            public void keyTyped(KeyEvent e) {
            }
        });
    public static void main(String[] args) {
        new NovaClasse();
    }
}