Random Number java programm

    class random_r
    {
        public static void main(String[] args) 
        {      
            for (int i = 0; i < 12; i++)
            {  
                System.out.println(Math.random());        
                System.out.println((Math.random())*100);        
                System.out.println((int) ((Math.random())*100));
            }
        }
    }
    }