Random integer in java

Question

How do you get a random integer in a range in java? e.g. a random integer between 5-10

Answer 1

System.out.println((int)(Math.random()*5+5));

Answer 2

According to :

https://stackoverflow.com/questions/363681/how-do-i-generate-random-integers-within-a-specific-range-in-java

The standard way to do it in Java 1.7 or later is:

import java.util.concurrent.ThreadLocalRandom;

int randomNum = ThreadLocalRandom.current().nextInt(min, max + 1);

Answer 3

https://code.sololearn.com/c21TGTpX7pL9/#java

Answer 4

Solution-1:

public static int randInt(int min, int max) {
int randomNum = rand.nextInt((max - min) + 1) + min;
return randomNum;
}

Solution-2:

randomNum = minimum + (int)(Math.random() * (maximum - minimum));