Java Program to find ip address

    import javax.swing.*; 
    import java.awt.event.*; 
    import java.net.*; 
    public class IPFinder extends JFrame implements ActionListener{ 
        JLabel l; 
        JTextField tf; 
        JButton b; 
    IPFinder(){ 
        super("IP Finder Tool"); 
        l=new JLabel("Enter URL:"); 
        l.setBounds(50,70,150,20);; 
        tf=new JTextField(); 
        tf.setBounds(50,100,200,20); 
         
        b=new JButton("Find IP"); 
        b.setBounds(50,150,80,30); 
        b.addActionListener(this); 
        add(l); 
        add(tf); 
        add(b); 
        setSize(300,300); 
        setLayout(null); 
        setVisible(true); 
    } 
    public void actionPerformed(ActionEvent e){ 
        String url=tf.getText(); 
        try { 
            InetAddress ia=InetAddress.getByName(url); 
            String ip=ia.getHostAddress(); 
            JOptionPane.showMessageDialog(this,ip); 
        } catch (UnknownHostException e1) { 
            JOptionPane.showMessageDialog(this,e1.toString()); 
        } 
    } 
    public static void main(String[] args) { 
        new IPFinder(); 
    } 
    }