Write a temperature conversion program which converts Fahrenheit to Celsius and Celsius to Fahrenheit in Java


In this core java programming tutorial we will write a temperature conversion program.




Write a temperature conversion program which converts
 > Fahrenheit to Celsius and
 > Celsius to Fahrenheit
using switch statement in Java.

Full Program/SourceCode / Example to write a temperature conversion program which converts Fahrenheit to Celsius and Celsius to Fahrenheit using switch statement in Java >
import java.util.Scanner;
/*
* Write a temperature conversion program which converts
* > Fahrenheit to Celsius and
* > Celsius to Fahrenheit
* using switch statement in Java.
*/
/** JavaMadeSoEasy.com */
public class TemperatureConversionProgramUsingSwitchStatementExample {
   public static void main(String[] args) {
          Scanner scanner = new Scanner(System.in);
          System.out.print("Enter 1 for Fahrenheit to Celsius \n"
                       + "Enter 2 for Celsius to Fahrenheit conversion : ");
          int operation = scanner.nextInt();
         
          System.out.print("Enter temperature : ");
          float temperature = scanner.nextFloat();
         
          float convertedTemperature = 0f;
         
          /*
          * Perform temperature conversion using switch statement in Java.
          */
          switch (operation) {
         
          //Fahrenheit to Celsius temperature conversion
          case 1:
                 convertedTemperature = ((temperature - 32) * 5) / 9;
                 System.out.println(temperature + " Fahrenheit " + " in Celsius = "
                              + convertedTemperature);
                 break;
                
          //Celsius to Fahrenheit temperature conversion
          case 2:
                 convertedTemperature = (9 * temperature / 5) + 32;
                 System.out.println(temperature + " Celsius " + " in Fahrenheit = "
                              + convertedTemperature);
                 break;
          default: // optional
                 System.out.println("Enterd temerature is Invalid");
                 break; // optional
          }
   }
}
/*OUTPUT
Enter 1 for Fahrenheit to Celsius
Enter 2 for Celsius to Fahrenheit conversion : 1
Enter temperature : 100
100.0 Fahrenheit  in Celsius = 37.77778
*/
/*
Enter 1 for Fahrenheit to Celsius
Enter 2 for Celsius to Fahrenheit conversion : 2
Enter temperature : 37.77
37.77 Celsius  in Fahrenheit = 99.986
*/



So, in this core java programming tutorial we wrote a temperature conversion program which converted Fahrenheit to Celsius and Celsius to Fahrenheit using switch statement in Java.



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