text: public static int update(int hash, int value) {final int c1 = 0xCC9E2D51;final int c2 = 0x1B873593;final int r1 = 15;final int r2 = 13;final int m = 5;final int n = 0xE6546B64;int k = value;k = k * c1;k = (k << r1) | (k >>> (32 - r1));k = k * c2;hash = hash ^ k;hash = (hash << r2) | (hash >>> (32 - r2));hash = hash * m + n;return hash;}