SwingCompoundIntrest.java

import java.awt.event.*;
import java.util.Scanner;

import javax.swing.*;
public class SwingCompoundIntrest implements ActionListener {
	JTextField tf1,tf2,tf3,tf4;
	JButton b1;
	JLabel l1,l2,l3,l4;
	SwingCompoundIntrest(){
	JFrame f = new JFrame();
	tf1 = new JTextField();
	tf1.setBounds(120,50,80,20);
	l1 = new JLabel("Principal");
	l1.setBounds(30,50,100,20);
	
	tf2 = new JTextField();
	tf2.setBounds(120,100,80,20);
	l2 = new JLabel("Rate");
	l2.setBounds(30,100,100,20);
	
	tf3 = new JTextField();
	tf3.setBounds(120,150,80,20);
	l3 = new JLabel("Time");
	l3.setBounds(30,150,80,20);
	
	tf4 = new JTextField();
	tf4.setBounds(120,200,80,20);
	l4 = new JLabel("Compound Intrest");
	l4.setBounds(30,200,80,20);
	
	b1 = new JButton("calculate");
	b1.setBounds(130,250,100,20);
	
	f.add(tf1);
	f.add(tf2);
	f.add(tf3);
	f.add(tf4);
	f.add(l1);
	f.add(l2);
	f.add(l3);
	f.add(l4);
	f.add(b1);
	
	b1.addActionListener(this);
	
	f.setSize(400,400);
	f.setLayout(null);
	f.setVisible(true);
}
public void actionPerformed(ActionEvent e){
	String s1 = tf1.getText();
	String s2 = tf2.getText();
	String s3 = tf3.getText();
	
	double pri = Integer.parseInt(s1);
	double rate = Integer.parseInt(s2);
	double time = Integer.parseInt(s3);
	
	
	

	 double amt = pri*(Math.pow ((1+ rate*time/100),time) );
	 
	
	String result = String.valueOf(amt);
	tf4.setText(result);
}
public static void main (String args[]) {
	new SwingCompoundIntrest();
}
}