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

27 lines
681 B
Java

package Maths;
// POWER (exponentials) Examples (a^b)
public class Pow {
public static void main(String[] args) {
assert pow(2, 0) == Math.pow(2, 0); // == 1
assert pow(0, 2) == Math.pow(0, 2); // == 0
assert pow(2, 10) == Math.pow(2, 10); // == 1024
assert pow(10, 2) == Math.pow(10, 2); // == 100
}
/**
* Returns the value of the first argument raised to the power of the second argument
*
* @param a the base.
* @param b the exponent.
* @return the value {@code a}<sup>{@code b}</sup>.
*/
public static long pow(int a, int b) {
long result = 1;
for (int i = 1; i <= b; i++) {
result *= a;
}
return result;
}
}