JAVA

how generate a random number in java between 3 and 5

public int getRandomNumber(int min, int max) {
    return (int) ((Math.random() * (max - min)) + min);
}

java random number generator 4

currentIndex++;
int tmp = state[currentIndex];
tmp ^= (tmp >>> 11);
tmp ^= (tmp << 7) & 0x9d2c5680;
tmp ^= (tmp << 15) & 0xefc60000;
tmp ^= (tmp >>> 18);
return tmp;