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±Û¾´ÀÌ :À±°æ±¸ 1998³â 2¿ù 02ÀÏ 09:14:34

In Reply to: [Áú¹®] Á¤¼ö ¹®ÀÚµé(0-9)¸¸À» ÀԷ¹޴ TextField¸¦ ¸¸µé·Á¸é? posted by ÇѺ´Ã¶ on 1998³â 2¿ù 01ÀÏ 01:13:50:

´ÙÀ½À» Âü°íÇϼ¼¿ä.


// KeyTest.java
import java.awt.*;
import java.awt.event.*;


class KeyTest extends Frame
{
TextField ta;
KeyTest() {
ta = new TextField();
add("Center", ta);
ta.addKeyListener( new KeyAdapter() {
public void keyTyped(KeyEvent ke) {
char c=ke.getKeyChar();
if (c<'0' || c>'9')
ke.consume();
}
}
);
}


public static void main(String[] args)
{
KeyTest f = new KeyTest();
f.setSize(100, 50);
f.setVisible(true);
}
}




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