Day 3:qqmain.java

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

public class Qqmain extends JFrame implements keylistener,actionlistener{
Components for passing data
JTextField txtmess = new JTextField ();
JTextArea txtcontent = new JTextArea ();
Construction method
Qqmain () {
Form basic information
This.setsize (800, 900);
This.setlocationrelativeto (NULL);
This.settitle ("Talking.ghoul");
Logo settings
Set the form logo
This.seticonimage (This.gettoolkit (). GetImage ("D:/LAB_2/PSB (one). jpg"));

New Component
Txtmess.setfont (New Font ("", 0, 36));
Txtcontent.setfont (New Font ("", 0, 36));
Txtcontent.seteditable (FALSE);

JButton btnsend = new JButton ("Send");
Btnsend.setfont (New Font ("Courier", Font.Bold, 26));

JComboBox cmbuser = new JComboBox ();

Registering for event monitoring
Btnsend.addactionlistener (this);

Set scroll bar
JScrollPane spcontent = new JScrollPane (txtcontent);

Small panel layout
JPanel Pansmall = new JPanel ();
Pansmall.setlayout (New GridLayout (1, 2));

Pansmall.add (Cmbuser);
Pansmall.add (Btnsend);

Large panel layout
JPanel panbig = new JPanel ();
Panbig.setlayout (New GridLayout (2, 1));

Panbig.add (txtmess);
Panbig.add (Pansmall);
Set up a large panel
Panbig.setpreferredsize (New Dimension (200, 100));

Layout form
This.setlayout (New BorderLayout ());

This.add (spcontent , borderlayout.center);
This.add (Panbig, Borderlayout.south);
}
public static void Main (string[] args) {
Qqmain w = new Qqmain ();
W.setvisible (TRUE);
}

@Override
public void keypressed (KeyEvent arg0) {

}
@Override
public void keyreleased (KeyEvent arg0) {}
@Override
public void keytyped (KeyEvent arg0) {}

@Override
public void actionperformed (ActionEvent arg0) {
System.out.println (arg0);
if (Arg0.getactioncommand (). Equals ("Send")) {
String mess = Txtmess.gettext ();
Txtmess.settext ("");
Txtcontent.append (' +mess+' \ n ');
}
}
}

Day 3:qqmain.java