import java.util.Random;

public class JB_021_MathRandom {

	public static void main(String[] args) {
		
		double d;
		
		for(int i=0 ; i<5 ; i++) {
			d = Math.random()*5+15;
			System.out.println("Rastegele sayi =    " +  (int) d);
			
		}
		
		System.out.println("---------");
		
		Random x = new Random();
		
		for(int i = 0 ; i<5 ; i++) {
			int a = x.nextInt(5)+5;
			System.out.println("a = " + a);
		}
		
		System.out.println("---------");
		
		for(int i = 0 ; i<5 ; i++) {
			double a = x.nextDouble()*5;
			System.out.println("a = " + a);
		}
		
		
		
		
	}

}