Answers for "In the main method, you must instantiate RandomNumberGenerator and invoke the generateRandomNumber() and getRandomNumber() methods via the instance of RandomNumberGenerator. in java"

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);

java random usage

import java.util.Random;

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

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

System.out.println(rndNumber);