JavaAlgorithms/Maths/PythagoreanTriple.java
2020-10-24 10:23:28 +00:00

31 lines
907 B
Java

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);
}
}
}