CODEWITHSUNDEEP
java
Ahmad Adnan
Ahmad Adnan

Reputation: 161

Java wrong output in (Fahrenheit to celsius conversion program) !

I am a beginner programmer

I have an assignment which is Write a program that converts a Fahrenheit degree to Celsius using formula: Celsius = (5/9)(Fahrenheit - 32)

The problem is I am always getting the same value -17.78 whatever I give value in input.

Here down there is my code !!!

package com.temperatureconversion;

import java.util.Scanner;


public class TemperatureConversion {

public static void main(String[] args) {
    Scanner input = new Scanner(System.in);

    double F = 0.0;    // Temperature in Fahrenheit
    double C = 0.0;          // Temperature in celsius
    C = 5.0 /9 * (F - 32);

    System.out.print("Enter temperature in fahrenheit: ");
    F = input.nextDouble();

    System.out.printf("The celsius value of %10.2f is %2.2f", F, C);




}

}

What's wrong with the above code ?

Upvotes: 0

Views: 821

Answers (2)

Salah
Salah

Reputation: 8657

Your F value is always the same 0.0, because you're asking for its value after your calculations, so you need to move the getting of F value before doing calculation.

double F = 0.0;    // Temperature in Fahrenheit
double C = 0.0;          // Temperature in celsius

//ASK for value.
System.out.print("Enter temperature in fahrenheit: ");
F = input.nextDouble();

// Do your calculations.
C = 5.0 /9 * (F - 32);

Upvotes: 2

RKC
RKC

Reputation: 1874

Try this , ask first and then calculate

public static void main(String[] args) { 

Scanner input = new Scanner(System.in);

double F = 0.0;    // Temperature in Fahrenheit
double C = 0.0;          // Temperature in celsius


System.out.print("Enter temperature in fahrenheit: ");
F = input.nextDouble();
C = 5.0 /9 * (F - 32);
System.out.printf("The celsius value of %10.2f is %2.2f", F, C);

}

Upvotes: 0

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