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 09262013, 08:20 PM #1Member
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How to you write a java program using the distance formula?
import java.util.Scanner;
public class Distance
{
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter first two points (x1, y1) :");
double x1 = input.nextDouble();
double y1 = input.nextDouble();
System.out.print("Enter second two points (x2, y2) :");
double x2 = input.nextDouble();
double y2 = input.nextDouble();
double distance = Math.pow(((x2  x1)(x2  x1) + (y2  y1)(y2  y1)), 0.5);
System.out.print("The distance of the two points is " + distance); //I'm using JGRASP AND my error is here!
}
}
 09262013, 08:39 PM #2
Re: How to you write a java program using the distance formula?
What exact error are you getting?
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 09262013, 08:48 PM #3Member
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Re: How to you write a java program using the distance formula?
import java.util.Random;
public class Distance {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("Enter first two points (x1, y1) :");
double firstPoints = input.nextDouble();
System.out.print("Enter second two points (x2, y2) :");
double secondPoints = input.nextDouble();
double distance = Math.pow((x2  x1)(x2  x1) + (y2  y1)(y2  y1), 0.5;
System.out.print("The distance of the two points is " + distance);
}
}Last edited by fscj; 09262013 at 08:53 PM. Reason: Wrong program
 09262013, 08:51 PM #4Member
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Re: How to you write a java program using the distance formula?
Distance.java:14: error: ')' expected
double distance = Math.pow((x2  x1)(x2  x1) + (y2  y1)(y2  y1), 0.5;
^
1 error
 09262013, 09:13 PM #5
Re: How to you write a java program using the distance formula?
Count your opening and closing parenthesis. You should have the same number of each.
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 09262013, 09:40 PM #6Senior Member
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Re: How to you write a java program using the distance formula?
It has to do with the fact hat you can't multiply in Java like (x2x1)(x2x1). It has to be (x2x1)*(x2x1).
And BTW, there is a square root method in the Math class.
Regards,
JimLast edited by jim829; 09272013 at 05:58 AM.
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 09272013, 10:33 AM #7Moderator
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