how make number show number random in java code example

Example 1: java random usage

import java.util.Random;

Random rndm = new Random();
int mnmbr = 10;

int rndNumber = rndm.nextInt(mnumber) + 1;

System.out.println(rndNumber);

Example 2: java random number generator in range

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