Java/Maths/PythagoreanTriple.java at master · primary-code-test/Java · GitHub

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package Maths;

/** https://en.wikipedia.org/wiki/Pythagorean_triple */

public class PythagoreanTriple {

public static void main(String[] args) {

assert isPythagTriple(3, 4, 5);

assert isPythagTriple(5, 12, 13);

assert isPythagTriple(6, 8, 10);

assert !isPythagTriple(10, 20, 30);

assert !isPythagTriple(6, 8, 100);

assert !isPythagTriple(-1, -1, 1);

}

/**

* Check if a,b,c are a Pythagorean Triple

* @param a x/y component length of a right triangle

* @param b y/x component length of a right triangle

* @param c hypotenuse length of a right triangle

* @return boolean <tt>true</tt> if a, b, c satisfy the Pythagorean theorem, otherwise

* <tt>false</tt>

public static boolean isPythagTriple(int a, int b, int c) {

if (a <= 0 || b <= 0 || c <= 0) {

return false;

} else {

return (a * a) + (b * b) == (c * c);

}