how to generate random whole number in java code example

Example 1: random number in range java

(int)(Math.random() * ((max - min) + 1)) + min
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Example 2: how to generate a random number in java

import java.util.Random;

Random rand = new Random();
int maxNumber = 10;

int randomNumber = rand.nextInt(maxNumber) + 1;

System.out.println(randomNumber);

Example 3: java generate random integer in range

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);