TextDemo.java

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;

public class TextDemo implements ActionListener 

{ 

    private JFrame frame;

	private JTextField tf1, tf2, tf3;

	private JTextArea ta;

	private JLabel label, label2;

	private JButton b;

		

	public TextDemo()

	{

		frame = new JFrame("A Simple Swing App");

		//frame.setSize(600, 400);

		Toolkit tk = frame.getToolkit();

		Dimension dim = tk.getScreenSize();

		int width = (int)dim.getWidth();

		int height = (int)dim.getHeight();

		frame.setSize(width, height);

		 

		frame.setLayout(new FlowLayout());	

		

		tf1 = new JTextField("Enter the name", 25); tf2 = new JTextField(20); tf3 = new JTextField("Enter a value");

		tf1.setFont(new Font("Verdana", Font.BOLD, 18));

		tf2.setFont(new Font("Verdana", Font.BOLD, 18));

		tf3.setFont(new Font("Verdana", Font.BOLD, 18));

		frame.add(tf1); frame.add(tf2); frame.add(tf3);

		//tf1.addActionListener(this); tf2.addActionListener(this); tf3.addActionListener(this);

		

		ta = new JTextArea(20, 15);

		ta.setFont(new Font("Verdana", Font.BOLD, 18));

		frame.add(ta);

				

		label = new JLabel();

		label.setFont(new Font("Verdana", Font.BOLD, 18));

		label.setForeground(Color.RED);

		frame.add(label);

		

		label2 = new JLabel();

		label2.setFont(new Font("Verdana", Font.BOLD, 18));

		label2.setForeground(Color.green);

		frame.add(label2);

		

		b = new JButton("Display");

		b.addActionListener(this);

		frame.add(b);

		

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.setVisible(true);

	}

		public void actionPerformed(ActionEvent ae)

	{   String message ="";

		message += tf1.getText()+": ";

		message += tf2.getText()+": ";

		message += tf3.getText()+": ";

		label.setText(message);

		label2.setText(ta.getText());

	}

		

	public static void main(String[] args)

	{   new TextDemo();

	}

}