public class Test { private int bb(int u, int v, int w) { return (u & v) | (~u & w); } private int aa(int x, int n) { return (x << n) | (x >>> (32 - n)); } protected void processBlock() { int a = 0; int b = 1; int c = 2; int d = 3; a = aa((a + bb( b, c, d)), 0) + b; } }