Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    public static int nextPowerOf2(int n) {
        if (n <= 0 || n > (1 << 30))
            throw new IllegalArgumentException("n is invalid: " + n);
        n -= 1;
        n |= n >> 16;
        n |= n >> 8;
        n |= n >> 4;
        n |= n >> 2;
        n |= n >> 1;
        return n + 1;
    }
}