Applied Programming/Variables/Java
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variables.java
[edit | edit source]/**
* This program converts a Fahrenheit temperature to Celsius.
*
* Input:
* Fahrenheit temperature
*
* Output:
* Fahrenheit temperature
* Celsius temperature
*
* Example:
* Enter Fahrenheit temperature:
* 100
* 100.0° Fahrenheit is 37.8° Celsius
*
* TODO:
* * Functions will be added in a future release.
*
* References:
* * http://sphinxcontrib-napoleon.readthedocs.io/en/latest/example_google.html
* * https://www.w3resource.com/slides/java-coding-style-guide.php
* * http://www.mathsisfun.com/temperature-conversion.html
*/
import java.util.Scanner;
class Main {
public static final int TEMPERATURE_DIFFERENCE = 32;
public static final double TEMPERATURE_RATIO = 5.0 / 9;
public static void main(String[] args) {
System.out.println("Enter Fahrenheit temperature:");
Scanner scanner = new Scanner(System.in);
double fahrenheit;
fahrenheit = scanner.nextDouble();
double celsius;
celsius = (fahrenheit - TEMPERATURE_DIFFERENCE) * TEMPERATURE_RATIO;
System.out.println(String.format(
"%1$.1f° Fahrenheit is %2$.1f° Celsius",
fahrenheit,
celsius));
}
}
Try It
[edit | edit source]Copy and paste the code above into one of the following free online development environments or use your own Java compiler / interpreter / IDE.