Validate the TextField component according to the Key Event

Question

Hi
I want to validate the TextField component in my program , such that when the user enters characters i want to restrict the character to be printed on the TextField.
help me
rgds
nissam

Answer 1

Hi
here is my code ..the thing is that i dont want to print the pressed character in the TextField...i am unable to catch the key press event with the code u given...
thanks
nisam
import java.awt.*;
import java.awt.event.*;
class TestKey
Frame frm;
     TextField test;
     Label result;
     TestKey()
     test = new TextField();
               TextArea ee =new TextArea();
          result = new Label();
          test.addKeyListener(new KeyAdapter()
//               e.getKeyChar() gets the key char typed.
          //public void processKeyEvent(KeyEvent e){
               /*if((e.getID()==KeyEvent.ITEM_EVENT_MASK))
               {//&&(e.getKeyChar()=='c')){
                    System.out.println("Charatcter...."+e.getKeyChar());
          public void keyPressed(KeyEvent e)
               int code = e.getKeyCode();
if(((code <= 57) && (code >= 48))|| code == 155 || code== 35 || code == 40||
                    code == 34 || code == 37 || code == 12 || code == 39 ||
                    code == 36 || code == 38 || code == 33 || code == 106)
                    e.setKeyCode('\0');
                    result.setText(""+e.getKeyCode());
                    else
                         return;
     public void set()
          frm=new Frame();
          test.setBounds(50,50,100,60);
          result.setBounds(50,140,250,50);
          frm.setSize(230,340);
          frm.setVisible(true);
          frm.add(test);
          frm.add(result);
     public static void main(String args[])
          TestKey testk =new TestKey();
          testk.set();