Programming Fundamentals/Conditions/Java: Difference between revisions
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Revision as of 02:15, 3 February 2017
conditions.java
import java.util.*;
class conditions
{
private static Scanner input = new Scanner(System.in);
public static void main(String[] args)
{
String choice;
System.out.println("Enter F to convert to Fahrenheit or C to convert to Celsius:");
choice = input.nextLine();
if (choice.equals("C") || choice.equals("c"))
{
toCelsius();
}
else if (choice.equals("F") || choice.equals("f"))
{
toFahrenheit();
}
else
{
System.out.println("You must enter C to convert to Celsius or F to convert to Fahrenheit!");
}
}
private static void toCelsius()
{
double f;
double c;
System.out.println("Enter Fahrenheit temperature:");
f = input.nextDouble();
c = (f - 32) * 5 / 9;
System.out.println(f + "° Fahrenheit is " + c + "° Celsius");
}
private static void toFahrenheit()
{
double c;
double f;
System.out.println("Enter Celsius temperature:");
c = input.nextDouble();
f = c * 9 / 5 + 32;
System.out.println(c + "° Celsius is " + f + "° Fahrenheit");
}
}
Try It
Copy and paste the code above into one of the following free online development environments or use your own Java compiler / interpreter / IDE.