i am having problem about java keyevent

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Java

Dear all,

i have a java Registration class in my project. in this class i have used

import com.sun.glass.events.KeyEvent;

and i used it for below method.but this is getting error.could you please help me if you know the problem.

private void usernameKeyPressed(java.awt.event.KeyEvent evt) {                                    
        if(evt.getKeyCode() == KeyEvent.VK_ENTER){
            reg();
        }
    }                                   

    private void pass1KeyPressed(java.awt.event.KeyEvent evt) {                                 
        if(evt.getKeyCode() == KeyEvent.VK_ENTER){
            reg();
        }
    }                                

    private void pass2KeyPressed(java.awt.event.KeyEvent evt) {                                 
       if(evt.getKeyCode() == KeyEvent.VK_ENTER){
            reg();
        }