[ 자바 연습 ]
자바 연습 세번째 awt event 를
이용한 채팅창을 만들어 봅시다.
import java.awt.*;
import java.awt.event.*;
class TextComponentEventTes extends Frame {
TextField tf;
TextArea ta;
TextComponentEventTes(String title){
super(title);
tf = new TextField();
ta = new TextArea();
add(ta, "Center");
add(tf, "South");
tf.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
ta.append(tf.getText() + "\n");
tf.setText("");
tf.requestFocus();
}
});
ta.setEditable(false);
setSize(300, 200);
setVisible(true);
tf.requestFocus();
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent evt){
setVisible(false);
dispose();
System.exit(0);
}
});
}
public static void main(String args[]){
TextComponentEventTes mainWin =
new TextComponentEventTes("TextComponentEventTest");
}
} |