Untitled

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/* <applet code="CurrencyConverter" width=400 height=400> </applet> */
public class CurrencyConverter extends JApplet implements ActionListener
{
JTextField t1,t2;
JButton b1,b2;
JComboBox c1,c2;
String[] currency={"US Dollar","Indian Rupee","British Pound","Euro","Canadian 
Dollar","Emirati Dirham","Chinese Yaun"};
public void init()
{
GridBagLayout gbag=new GridBagLayout();
GridBagConstraints gbc=new GridBagConstraints();
setLayout(gbag);
c1=new JComboBox(currency);
c1.setSelectedIndex(0);
c2=new JComboBox(currency);
c2.setSelectedIndex(1);
t1=new JTextField(10);
t2=new JTextField(15);
b1=new JButton("Convert");
b2=new JButton("Clear");
JLabel h=new JLabel("Currency Converter");
JLabel l1=new JLabel("Select the Input Currency:");
JLabel l2=new JLabel("Enter the amount: ");
JLabel l3=new JLabel("Select the Output Currency:");
JLabel l4=new JLabel("Converted amount: ");
gbc.weighty=1.0;
gbc.gridwidth=GridBagConstraints.REMAINDER;
gbc.anchor=GridBagConstraints.NORTH;
gbag.setConstraints(h, gbc);
gbc.anchor=GridBagConstraints.EAST;
gbc.gridwidth=GridBagConstraints.RELATIVE;
gbag.setConstraints(l1, gbc);
gbc.gridwidth=GridBagConstraints.REMAINDER;
gbag.setConstraints(c1, gbc);
gbc.gridwidth=GridBagConstraints.RELATIVE;
gbag.setConstraints(l2, gbc);
gbc.gridwidth=GridBagConstraints.REMAINDER;
gbag.setConstraints(t1, gbc);
gbc.gridwidth=GridBagConstraints.RELATIVE;
gbag.setConstraints(l3, gbc);
gbc.gridwidth=GridBagConstraints.REMAINDER;
gbag.setConstraints(c2, gbc);
gbc.gridwidth=GridBagConstraints.RELATIVE;
gbag.setConstraints(l4, gbc);
gbc.gridwidth=GridBagConstraints.REMAINDER;
gbag.setConstraints(t2, gbc);
gbc.anchor=GridBagConstraints.CENTER;
gbag.setConstraints(b1, gbc);
gbc.gridwidth=GridBagConstraints.CENTER;
gbag.setConstraints(b2, gbc);
add(h);
add(l1);
add(c1);
add(l2);
add(t1);
add(l3);
add(c2);
add(b1);
add(l4);
add(t2);
add(b2);
t1.addActionListener(this);
t2.addActionListener(this);
b1.addActionListener(this);
b2.addActionListener(this);
c1.addActionListener(this);
c2.addActionListener(this);
}
public void actionPerformed(ActionEvent ae)
{
double a,c=0;
a=Double.valueOf(t1.getText());
try
{
if(c1.getSelectedIndex()==0 & c2.getSelectedIndex()==1)
c= a*76.06;
if(c1.getSelectedIndex()==0 & c2.getSelectedIndex()==2)
c= a*0.76;
if(c1.getSelectedIndex()==0 & c2.getSelectedIndex()==3)
c= a*0.89;
if(c1.getSelectedIndex()==0 & c2.getSelectedIndex()==4)
c= a*1.29;
if(c1.getSelectedIndex()==0 & c2.getSelectedIndex()==5)
c= a*3.67;
if(c1.getSelectedIndex()==0 & c2.getSelectedIndex()==6)
c= a*6.37;
if(c1.getSelectedIndex()==1 & c2.getSelectedIndex()==0)
c= a*0.0131475;
if(c1.getSelectedIndex()==1 & c2.getSelectedIndex()==2)
c= a*0.0099;
if(c1.getSelectedIndex()==1 & c2.getSelectedIndex()==3)
c= a*0.012;
if(c1.getSelectedIndex()==1 & c2.getSelectedIndex()==4)
c= a*0.017;
if(c1.getSelectedIndex()==1 & c2.getSelectedIndex()==5)
c= a*0.048;
if(c1.getSelectedIndex()==1 & c2.getSelectedIndex()==6)
c= a*0.084;
if(c1.getSelectedIndex()==2 & c2.getSelectedIndex()==0)
c= a*1.32;
if(c1.getSelectedIndex()==2 & c2.getSelectedIndex()==1)
c= a*100.71;
if(c1.getSelectedIndex()==2 & c2.getSelectedIndex()==3)
c= a*1.17;
if(c1.getSelectedIndex()==2 & c2.getSelectedIndex()==4)
c= a*1.70;
if(c1.getSelectedIndex()==2 & c2.getSelectedIndex()==5)
c= a*4.86;
if(c1.getSelectedIndex()==2 & c2.getSelectedIndex()==6)
c= a*8.43;
if(c1.getSelectedIndex()==3 & c2.getSelectedIndex()==0)
c= a*1.13;
if(c1.getSelectedIndex()==3 & c2.getSelectedIndex()==1)
c= a*85.73;
if(c1.getSelectedIndex()==3 & c2.getSelectedIndex()==2)
c= a*0.85;
if(c1.getSelectedIndex()==3 & c2.getSelectedIndex()==4)
c= a*1.45;
if(c1.getSelectedIndex()==3 & c2.getSelectedIndex()==5)
c= a*4.14;
if(c1.getSelectedIndex()==3 & c2.getSelectedIndex()==6)
c= a*7.17;
if(c1.getSelectedIndex()==4 & c2.getSelectedIndex()==0)
c= a*0.78;
if(c1.getSelectedIndex()==4 & c2.getSelectedIndex()==1)
c= a*59.19;
if(c1.getSelectedIndex()==4 & c2.getSelectedIndex()==2)
c= a*0.59;
if(c1.getSelectedIndex()==4 & c2.getSelectedIndex()==3)
c= a*0.69;
if(c1.getSelectedIndex()==4 & c2.getSelectedIndex()==5)
c= a*2.86;
if(c1.getSelectedIndex()==4 & c2.getSelectedIndex()==6)
c= a*4.95;
if(c1.getSelectedIndex()==5 & c2.getSelectedIndex()==0)
c= a*0.27;
if(c1.getSelectedIndex()==5 & c2.getSelectedIndex()==1)
c= a*20.71;
if(c1.getSelectedIndex()==5 & c2.getSelectedIndex()==2)
c= a*0.21;
if(c1.getSelectedIndex()==5 & c2.getSelectedIndex()==3)
c= a*0.24;
if(c1.getSelectedIndex()==5 & c2.getSelectedIndex()==4)
c= a*0.35;
if(c1.getSelectedIndex()==5 & c2.getSelectedIndex()==6)
c= a*1.73;
if(c1.getSelectedIndex()==6 & c2.getSelectedIndex()==0)
c= a*0.16;
if(c1.getSelectedIndex()==6 & c2.getSelectedIndex()==1)
c= a*11.95;
if(c1.getSelectedIndex()==6 & c2.getSelectedIndex()==2)
c= a*0.12;
if(c1.getSelectedIndex()==6 & c2.getSelectedIndex()==3)
c= a*0.14;
if(c1.getSelectedIndex()==6 & c2.getSelectedIndex()==4)
c= a*0.20;
if(c1.getSelectedIndex()==6 & c2.getSelectedIndex()==5)
c= a*0.58;
t2.setText(String.valueOf(c));
}
catch(Exception x)
{
System.out.println("Error");
}
if(ae.getSource()==b2)
{
 t1.setText("0000");
 t2.setText("0000"); } } }
Outpu