JavaAlgorithms/Maths/PythagoreanTriple.java

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2020-08-16 22:32:10 +08:00
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);
}
}
}