gui.java

//Usually you will require both swing and awt packages
// even if you are working with just swings.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class gui {
    public static void main(String args[]) {

        //Creating the Frame
        JFrame frame = new JFrame("Chat Frame");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400, 400);

        //Creating the MenuBar and adding components
        JMenuBar mb = new JMenuBar();
        JMenu m1 = new JMenu("FILE");
        JMenu m2 = new JMenu("Help");
        mb.add(m1);
        mb.add(m2);
        JMenuItem m11 = new JMenuItem("Open");
        JMenuItem m22 = new JMenuItem("Save as");
        m1.add(m11);
        m1.add(m22);

        //Creating the panel at bottom and adding components
        JPanel panel = new JPanel(); // the panel is not visible in output
        JLabel label = new JLabel("Enter Text");
        JTextField tf = new JTextField(10); // accepts upto 10 characters
        JButton send = new JButton("Send");
        JButton reset = new JButton("Reset");
        panel.add(label); // Components Added using Flow Layout
        panel.add(label); // Components Added using Flow Layout
        panel.add(tf);
        panel.add(send);
        panel.add(reset);

        // Text Area at the Center
        JTextArea ta = new JTextArea("Hello, World");
        //JTextPane ta = new JTextPane();
        


        //Adding Components to the frame.
        frame.getContentPane().add(BorderLayout.SOUTH, panel);
        frame.getContentPane().add(BorderLayout.NORTH, mb);
        frame.getContentPane().add(BorderLayout.CENTER, ta);
        frame.setVisible(true);
        
        
         // add the listener to the jbutton to handle the "pressed" event
   send.addActionListener(new ActionListener()
    {
      public void actionPerformed(ActionEvent e)
      {
        String appendText = "jumps over the lazy dog.";
        String mySt = tf.getText();
        ta.setText(mySt);
       // ta.append(appendText);
      }
    });
    }
}