Celsius To Fahrenheit Using JOptionPane in Java

 Machine Problem

Write a program that asks for a temperature in Celsius and prints out the temperature

in Fahrenheit. Use InputBox for input and OutputBox for output. The formula to

convert Celsius to the equivalent Fahrenheit is  fahrenheit = 1.8 x celsius + 32

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Program Listing

/* Write a program that asks for a temperature in Celsius and prints out the temperature

in Fahrenheit. Use InputBox for input and OutputBox for output. The formula to

convert Celsius to the equivalent Fahrenheit is:

*

fahrenheit = 1.8 x celsius + 32

 * 

 */

package demo;

import javax.swing.JOptionPane;

import java.text.DecimalFormat;

public class Temperature {

private static final DecimalFormat df = new DecimalFormat("0.00");

 

public static void main(String[] args) {

// TODO Auto-generated method stub

  String celsius = 

         JOptionPane.showInputDialog( "Enter Temperature in Celsius : " );

       double celsius_temp = Double.parseDouble(celsius); 

      

      double Fahrenheit = (1.8 * celsius_temp) + 32; 

      

      JOptionPane.showMessageDialog( null,  "The temperature in Fahrenheit :  " + df.format(Fahrenheit) 

        , "The Result", JOptionPane.INFORMATION_MESSAGE );

}

}