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Java > (Swing)Buttonを使う
swing-button.java
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
class Test extends JFrame implements ActionListener{
public static void main(String args[]){
Test app = new Test();
}
Test(){
this.setSize(300,200);
this.setVisible(true);
this.setLayout(new GridLayout(1,1));
this.add(bt);
bt.addActionListener(this);
}
JButton bt = new JButton("PUSH TO EXIT");
public void actionPerformed(ActionEvent e){
System.exit(0);
}
}
$ javac swing-button.java
$ java Test
$ java Test