JAVA-12

這是今天上課作業的程式碼


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ButtonText extends JFrame implements ActionListener {
public static void main(String[] args) {
ButtonText test = new ButtonText();
}
ButtonText( )
{
JButton mybutton1 = new JButton("Submit");
JButton mybutton2 = new JButton("Submit");
mybutton1.addActionListener(this);
//Container contentPane = frame.getContentPane();
//contentPane.add(mybutton1);
//contentPane.add(mybutton2);
getContentPane().add(mybutton1);
getContentPane().add(mybutton2);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new FlowLayout());
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(200,100);
setVisible(true);
// System.out.println("wait");
//System.exit(0);
}
public void actionPerformed(ActionEvent e)
{
int a;
int b;
int c;
int d;
int f;
int g;
int h;
a=(int) ((Math.random()*49)+1);
b=(int) ((Math.random()*49)+1);
c=(int) ((Math.random()*49)+1);
d=(int) ((Math.random()*49)+1);
f=(int) ((Math.random()*49)+1);
g=(int) ((Math.random()*49)+1);
h=(int) ((Math.random()*49)+1);
System.out.println(a);
System.out.println(b);
System.out.println(c);
System.out.println(d);
System.out.println(f);
System.out.println(g);
System.out.println(h);
}

}