how to insert a randon number into a function java code example

Example 1: how to create a random number in java

import java.util.Random;

class scratch{
    public static void main(String[] args) {
        Random rand = new Random();
        System.out.println( rand.nextInt(5) );
        //prints a random Int between 0 - 4 (including 0 & 4);
    }
}

Example 2: random java

import java.util.Random();
Random <name> = new Random();
<variable> = <name>.nextInt(<excuslive top limit>);