Java Program to Convert Celsius to Fahrenheit (updated)

Java Program to Convert Celsius to Fahrenheit (updated) – Conversion from Celsius to Fahrenheit and from Fahrenheit to Celsius has an important role in the conversion of units system. In this post, we will develop a Java program to convert Celsius to Fahrenheit.

The formula used to convert from Celsius to Fahrenheit is given as,

⁰F= (⁰C * 9/5) + 32

Java Program to Convert Celsius to Fahrenheit

import java.util.Scanner;

public class TemperatureConversion {
  // method to convert celsius to fahrenheit
  private static double tofahrenheit(double celsius){
     return ( celsius * (9.0/5.0) + 32 );
  }

  public static void main(String[] args) {

     // declare variables
     double celsius = 0.0;
     double fahrenheit = 0.0;

     // create Scanner class object to read input
     Scanner scan = new Scanner(System.in);

     // read input
     System.out.print("Enter Celsius value:: ");
     celsius = scan.nextDouble();

     // convert temperature
     fahrenheit = tofahrenheit(celsius);

     // display result
     System.out.println("Fahrenheit value = "
                         +fahrenheit);

     // close Scanner class object
     scan.close();
  }
}
The output for different test-cases:-

OUTPUT

Enter Celsius value:: 15
Fahrenheit value = 59.0

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