random in java a to b code example

Example 1: java random numbers in specific range

import java.util.Random;

Random rand = new Random();
int random_integer = rand.nextInt(upperbound-lowerbound) + lowerbound;

Example 2: random in java a to b

Min + (int)(Math.random() * ((Max - Min) + 1))

Example 3: java random number generator in range

int rand = ThreadLocalRandom.current().nextInt(x,y);