Write a Java program that converts Fahrenheit to Celsius and vice versa. Your pr

Question

Write a Java program that converts Fahrenheit to Celsius and vice versa. Your program accepts as a parameter a Scanner holding a sequence of real numbers (temperature) followed by C or F for which temperature it is, and outputs the converted temperature. For example if the Scanner contains the following data:

35.6 C 70.2 F

25.0 F

Your program should produce the following output:

35.6 C = 96.1 F

70.2 F = 21.2 C

25.0 F = -3.9 C

These temperatures are converted using the following formulas:

C = 5/9 *( F – 32)               F = (9/5) * C + 32

Explanation / Answer

package snippet;

import java.io.*;
import java.text.DecimalFormat;
import java.util.Scanner;

public class Temparature {

public static void main(String args[]) throws IOException {
Double c, f;
Scanner sc=new Scanner(System.in);
  
while(true)
{
           String line = sc.nextLine();
           DecimalFormat df = new DecimalFormat("#.#");
           String array[]=line.split(" ");
             
           Double temp=Double.valueOf(array[0]);
             
          
          
           switch (array[1])
           {
           case "F":
          
           f=temp;
           c = ((f - 32) * 5) / 9;
           System.out.println( df.format(c)+" C");
           break;
           case "C":
          
           c = temp;
           f = (9 * c / 5) + 32;
           System.out.println(df.format(f)+" F");
           break;
           }
}
}
}

==================================================================================

Output:

35.6 C
96.1 F
70.2 F
21.2C
25.0 F
-3.9C

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