import java.lang.Math;
import java.util.Random;

public class Aléatoire{
	public static void main(String[] args) {
		double nb1;
		nb1 = Math.random();
		Random nb2 = new Random();
		System.out.println("random propose : "+ nb1);
		System.out.println("nextDouble propose : "+ nb2.nextDouble());
	}
}