how to call random number in 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: how to generate random number in java

double x = (Math.random()*((max-min)+1))+min;