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<![CDATA[UNKNOWN
//**************************************
// Name: Temperature Converter
// Description:This is just a simple java applet that will convert Degrees Fahrenheit to Degrees Celesius. Very simple and can be modified to convert back.
// By: Randy McCleary
//
//
// Inputs:None
//
// Returns:None
//
//Assumes:None
//
//Side Effects:None
//This code is copyrighted and has limited warranties.
//Please see http://www.Planet-Source-Code.com/xq/ASP/txtCodeId.2627/lngWId.2/qx/vb/scripts/ShowCode.htm
//for details.
//**************************************
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
import java.text.DecimalFormat;
public class temperature extends JApplet implements ActionListener
{
JLabel lblFahrenheit;
JLabel lblCelsius;
JLabel outputCelsius;
JTextField txtFahrenheit;
double degreesFahrenheit;
FlowLayout layout;
public void init()
{
Container c = getContentPane();
layout = new FlowLayout();
layout.setAlignment( FlowLayout.LEFT);
c.setLayout(layout);
// instantiate JLabel object for Degrees Fahrenheit
lblFahrenheit = new JLabel("Enter Fahrenheit and press enter: ");
// instantiate JTextField object for the degrees fahrenheit
txtFahrenheit = new JTextField(10);
// instantiate JLabel object for Degrees Celesius
lblCelsius = new JLabel("Degrees Celesius: ");
// JLabel to display the equivalent degrees Celsius
outputCelsius = new JLabel("");
c.add(lblFahrenheit);
//CALL the addActionListener() method on the JTextField object
// for the degrees Fahrenheit
txtFahrenheit.addActionListener(this);
// Add the textbox the celsius label and output label
c.add(txtFahrenheit);
c.add(lblCelsius);
c.add(outputCelsius);
}
public void actionPerformed(ActionEvent e)
{
// Create a new decimal format to one digit
DecimalFormat oneDigit = new DecimalFormat("0.0");
// Get the input
double Fahrenheit = Double.parseDouble(e.getActionCommand());
//ASSIGN the result of CALL Celsius function
double celsius = Celsius(Fahrenheit);
//Display the results in the label
outputCelsius.setText(oneDigit.format(celsius));
}
public double Celsius(double Fahrenheit)
{
double celsius;
//Formulat to convert Farhrenheit to celsius
celsius = 5.0 / 9.0 * ( Fahrenheit - 32);
return celsius;
}
}
]]>