----- setBounds()/ dispose() -----
import java.awt.*;
class FTest
{
public static void main(String[] args)
{
Frame f = new Frame();
f.setBounds(20,20,300,100); // 사이즈를 지정 setSize와 비슷
f.setVisible(true);
try
{
Thread.sleep(5000);
}catch(InterruptedException e)
{}
f.setVisible(false);
f.dispose(); // 메모리 해제
}
}
----- ActionListener/ WindowListener -----
import java.awt.*;
import java.awt.event.*;
public class FTest1 extends Frame implements ActionListener
{
Panel p1,p2;
Button b1,b2,b3,b4;
FTest1()
{
Frame f = new Frame(); //프레임 생성
f.setLayout(new FlowLayout());
p1 = new Panel();
p2 = new Panel(); //panel생성
f.add(p1);
f.add(p2);
p1.setBackground(Color.yellow);
p2.setBackground(Color.red); //panel배경색 지정
b1 = new Button("b1");
b2 = new Button("b2");
b3 = new Button("b3");
b4 = new Button("b4"); // 버튼생성
p1.add(b1);
p1.add(b2);
p2.add(b3);
p2.add(b4);
f.setVisible(true);
f.setSize(500,300);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
b4.addActionListener(this); //Button Event 선언
f.addWindowListener(new WindowAdapter () //Window Event구현
{
public void windowClosing(WindowEvent e)
{
dispose();
System.exit(0);
}
});
}
public static void main(String[] args)
{
FTest1 ft = new FTest1();
}
public void actionPerformed(ActionEvent e) //Action Event 처리하는 함수
{
Button bt = (Button)e.getSource();
String str = bt.getLabel();
if(str.equals("b1"))
{
p2.setVisible(true);
}
else if(str.equals("b2"))
{
p2.setVisible(false);
}
else if(str.equals("b3"))
{
p1.setVisible(true);
}
else if(str.equals("b4"))
{
p1.setVisible(false);
}
}
}
------ Dialog -------
class Dia extends Dialog implements ActionListener
{
String msg;
Dia(Frame f, String s)
{
super(f, "Notice", true);
msg = s;
}
public void show()
{
Button b = new Button("OK");
b.addActionListener(this);
Panel p = new Panel();
add("North", new Label(msg, Label.CENTER)); //dialog는 기본 배치가 관리자
//BorderLayout이다
p.add(b);
add("South",p);
setSize(200,300);
super.show();
}
public void actionPerformed(ActionEvent e)
{
dispose(); //버튼이 눌리면 메모리해제(창닫기)
}
}
---------------------------------------------------------------------------
import java.awt.*;
import java.awt.event.*;
public class Diat extends Frame implements ActionListener
{
Dia d;
public Diat()
{
super("다이얼로그 테스트"); //Frame에 제목 설정
d = new Dia(this,"ggg");
Button b1 = new Button("다이얼 열기");
Panel p1 = new Panel();
p1.add(b1);
b1.addActionListener(this);
add(p1);
setSize(300,200);
show();
}
public void actionPerformed(ActionEvent e) // 버튼이 눌리면
{
d.show(); // Dia클래스의 메소드 호출
}
public static void main(String[] args)
{
Diat dt = new Diat();
}
}
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