0x61c88647

public class HashDemo {

        private static final int HASH_INCREMENT = 0x61c88647;
//    private static final int HASH_INCREMENT = 1640531527;

    public static void main(String[] args) {
        //2的n次方
        magicHash(2 *2*2*2*2);
//        magicHash(32);
    }

    private static void magicHash(int size) {
        int hashCode = 0;
        for (int i = 0; i < size; i++) {
            hashCode = i * HASH_INCREMENT + HASH_INCREMENT;
            System.out.print((hashCode & (size - 1)) + "  ");
        }
        System.out.println("");
    }

}