import java.util.Random;
Random rand = new Random();
int random_integer = rand.nextInt(upperbound-lowerbound) + lowerbound; (int)(Math.random() * ((max - min) + 1)) + min
Copyimport java.util.Random;
Random rand = new Random();
int maxNumber = 10;
int randomNumber = rand.nextInt(maxNumber) + 1;
System.out.println(randomNumber);public int getRandomNumber(int min, int max) {
return (int) ((Math.random() * (max - min)) + min);
}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);