(int)(Math.random() * ((max - min) + 1)) + min Copy
import java.util.Random; Random rand = new Random(); int random_integer = rand.nextInt(upperbound-lowerbound) + lowerbound;
import java.util.concurrent.ThreadLocalRandom; // nextInt is normally exclusive of the top value, // so add 1 to make it inclusive int randomNum = ThreadLocalRandom.current().nextInt(min, max + 1);
int rand = ThreadLocalRandom.current().nextInt(x,y);