Help needed to modify the program
following code is a curency convrter. I want to put standard conversion rates ? = 1.46859 euros and ? = 1.88732 dollars so that when pound amount is put the other amounts are generated automatically. How can I do so?
import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import javax.swing.*;
class CCGUIextends Appletimplements ActionListener
{
JLabellabel_1;
JLabelentamtLabel;
JLabelconamtLabel;
JTextField entamtField;
JTextField conamtField;
JLabelfromLabel;
JLabeltoLabel;
JComboBox fromComboBox;
JComboBox toComboBox;
JButtonconButton;
publicvoid init()
{
//CCGUILayout customLayout = new CCGUILayout();
//setFont(new Font("Helvetica", Font.PLAIN, 12));
//setLayout(customLayout);
setLayout(new GridLayout(5,2,3,3));
//label_1 = new JLabel("Currency Converter");
//add(label_1);
entamtLabel =new JLabel("Pounds");
add(entamtLabel);
entamtField =new JTextField("");
add(entamtField);
conamtLabel =new JLabel("Dollars");
add(conamtLabel);
conamtField =new JTextField("");
add(conamtField);
conamtLabel =new JLabel("Euros");
add(conamtLabel);
conamtField =new JTextField("");
add(conamtField);
conButton =new JButton("Convert");
conButton.addActionListener(this);
add(conButton);
//setSize(getPreferredSize());
}
publicvoid actionPerformed(ActionEvent ae)
{
//Convert con = new Convert();
if (ae.getSource() == conButton)
{
double d = Double.parseDouble(entamtField.getText());
double r = d;
conamtField.setText(""+r);
}
}
}
class CCGUILayoutimplements LayoutManager
{
public CCGUILayout()
{
}
publicvoid layoutContainer(Container parent)
{
}
publicvoid addLayoutComponent(String name, Component comp)
{
}
publicvoid removeLayoutComponent(Component comp)
{
}
public Dimension preferredLayoutSize(Container parent)
{
Dimension dim =new Dimension(0, 0);
Insets insets = parent.getInsets();
dim.width = 321 + insets.left + insets.right;
dim.height = 149 + insets.top + insets.bottom;
return dim;
}
public Dimension minimumLayoutSize(Container parent)
{
Dimension dim =new Dimension(0, 0);
return dim;
}
publicstaticvoid main(String args[])
{
CCGUI applet =new CCGUI();
Frame window =new Frame("Currency Converter");
window.setBounds(10,10,300,144);
window.addWindowListener(new WindowAdapter()
{
publicvoid windowClosing(WindowEvent e)
{
System.exit(0);
}
});
applet.init();
window.add("Center", applet);
//window.pack();
window.setVisible(true);
}
}
