Thread: Need help with Sentinel Control Loop

I have to do this problem where I use a Sentinel Control loop to repeatedly get the lenghts of the base and height of a triangle from a user, call the method, and then display the Values of the three sides of the triangle. This all has to take place inside a sentinel control loop where the user has to enter a -1 to terminate the loop. My problem is that after I get the base and height and do the calculations, the loop will not terminate when -1 is entered only one time. Even though I have an or conditional in my while loop, the program will only terminate if both are -1. What do I have to do to get the loop to terminate as soon as a -1 is entered, but still be able to calculate the hyp using my method theHypotenuseIs?

import java.util.*;
public class Hypotenuse
{
    public static double theHypotenuseIs(double base, double height)
    {
        double calculation, hyp;
        hyp= Math.sqrt((Math.pow(base,2) + Math.pow(base,2)));
 
        return hyp;
    }
 
    public static void main(String[]args)
    {
        final int FLAG = -1;
        double hypotenuse, base, height;
        Scanner input = new Scanner(System.in);
 
 
        while(base!=FLAG ||height!=FLAG)
        {
 
            base = input.nextDouble();
            height = input.nextDouble();
 
            hypotenuse = theHypotenuseIs(base, height);
 
            System.out.println("The Base is:" + base);
 
            System.out.println("The Height is:" + height);
 
            System.out.println("The Hypotenuse is:" + hypotenuse);
 
 
        }
    }
}

--- Update ---

Never mind, I found a workaround. IDK if it's good style, but I added a conditional after each input that will break if the value is -1.

The problem is your "or" condition. This should be an "and". The way your condition reads now, in basic english, is "while base is not -1 or height is not -1" so it evaluates, base is -1, but height isn't, keep going! If this is an "and" it will work as you expect.

Side note: the way your code is written, if the user puts in a -1 then it executes "theHypotenuseIs" and still puts output. Therefore your code is not stopping immediately after you get your stop condition. You should add in a mechanism to check for good input before doing the calculation and output.