import java.util.Random;
Random rand = new Random();
// Obtain a number between [0 - 49].
int n = rand.nextInt(50);
// Add 1 to the result to get a number from the required range
// (i.e., [1 - 50]).
n += 1;Random rand = new Random(System.currentTimeMillis());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);
}
}import java.util.Random;
public class Selection
{
public static void main(String[] args)
{
Random rand = new Random();
String[] animals = {"Dog", "Cat", "Fish", "Turtle", "Penguin"}; // array of animals
System.out.println("Console picked " + animals[rand.nextInt(animals.length)]); // prints the random animal selected from array
}
}String id = UUID.randomUUID().toString();import java.util.Random;
//If there is a need to reproduce the same sequence of random numbers,
//we have to specify a seed to the constructor, like 100000
Random random = new Random(100000); //using a seed
System.out.println(random.nextInt(5)); // print one random 0, 1, 2, 3, 4
System.out.println(random.nextInt(5));