import Java.awt.Panel;
Import Java.awt.ScrollPane;
Import java.awt.event.ActionEvent;
Import Java.awt.event.ActionListener;
Import Java.util.HashSet;
Import Java.util.Random;
Import Javax.swing.Box;
Import Javax.swing.JButton;
Import Javax.swing.JFrame;
Import Javax.swing.JLabel;
Import Javax.swing.JTextArea;
public class Choujiang {
JTextArea t=new JTextArea ();
public static void Main (string[] args) {
TODO auto-generated Method Stub
New Choujiang (). Init ();
}
public void init () {
Panel p=new Panel ();
JFrame jf=new JFrame ("Lottery System");
Box H=box.createhorizontalbox ();
Box V=box.createverticalbox ();
JButton b=new JButton ("Start");
A (b);
P.add (New JLabel ("StartDraw "));
P.add (b);
V.add (P);
H.add (v);
ScrollPane sp=new ScrollPane (scrollpane.scrollbars_as_needed);
Sp.add (t);
H.add (SP);
Jf.add (h);
Jf.setvisible (TRUE);
Jf.setdefaultcloseoperation (Jframe.exit_on_close);
Jf.setbounds (200,300,300,300);
}
public void A (final JButton b) {
B.addactionlistener (new ActionListener () {
@Override
public void actionperformed (ActionEvent e) {
TODO auto-generated Method Stub
Random random = new random ();
Object[] values = new OBJECT[6];
HashSet HashSet = new HashSet ();
for (int i = 0;i < values.length;i++) {
int number = Random.nextint (1000) + 1;
Hashset.add (number);
}
Values = Hashset.toarray ();
T.append ("First prize number is" +values[0] + "\ n");
T.append ("The second prize is" +values[1]+ "" +values[2]+ "\ n");
T.append ("The third prize number is" +values[3]+ "" +values[4]+ "" +values[5]+ "\ n");
}
});
}
}
6th time Assignment