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  1. import java.util.Scanner;
  2.  
  3. class Q32835243
  4. {
  5.     private static double farhenheitToCelsius(final double fahrenheit) {return (fahrenheit - 32) * 5 / 9;}
  6.  
  7.     public static void main(final String[] args)
  8.     {
  9.         final Scanner keyboard = new Scanner(System.in);
  10.  
  11.         System.out.print("Enter a temperature in Fahrenheit: ");
  12.         if (keyboard.hasNextDouble())
  13.         {
  14.             final double fahrenheit = keyboard.nextDouble();
  15.             final double celsius = farhenheitToCelsius(fahrenheit);
  16.             System.out.format("The temperature in Celsius is: %8.4f%n", celsius);
  17.             System.out.format("Fahrenheit\t Celsius%n");
  18.  
  19.             for (int i = 0; i < 100; i += 10)
  20.             {
  21.                 System.out.format("%8.4f\t%8.4f%n", fahrenheit + i, farhenheitToCelsius(fahrenheit + i));
  22.             }
  23.         }
  24.         else
  25.         {
  26.             System.err.format("%s is not a double!%nPlease enter a double value.", keyboard.next());
  27.             System.exit(1);
  28.         }
  29.     }
  30. }
Success #stdin #stdout 0.17s 321280KB
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stdin
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90
stdout
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Enter a temperature in Fahrenheit: The temperature in Celsius is:  32.2222
Fahrenheit	 Celsius
 90.0000	 32.2222
100.0000	 37.7778
110.0000	 43.3333
120.0000	 48.8889
130.0000	 54.4444
140.0000	 60.0000
150.0000	 65.5556
160.0000	 71.1111
170.0000	 76.6667
180.0000	 82.2222
https://ideone.com/3jywZQ
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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