Java/Maths/PerfectCube.java at master · iDev-git/Java · GitHub

Repository navigation

package Maths;

/** https://en.wikipedia.org/wiki/Cube_(algebra) */

public class PerfectCube {

public static void main(String[] args) {

assert !isPerfectCube(-1);

assert isPerfectCube(0);

assert isPerfectCube(1);

assert !isPerfectCube(4);

assert isPerfectCube(8);

assert isPerfectCube(27);

}

/**

* Check if a number is perfect cube or not

* @param number number to check

* @return {@code true} if {@code number} is perfect cube, otherwise {@code false}

public static boolean isPerfectCube(int number) {

int a = (int) Math.pow(number, 1.0 / 3);

return a * a * a == number;

}