Second largest number in java using ternary operator

 //Largest second number using ternary operator


public class Main

{

public static void main(String[] args)

{

int a=5,b=6,c=7;

int x = (a >= b && a >= c) ? ((b >= c) ? b : c) : 

((b >= c) ? ((a >= c) ? a : c) : ((a >= b) ? a : b));

System.out.println(x);

}

}

Mersenne Number

  Write a program to check if a number is a Mersenne number or not. In    mathematics , a Mersenne number is a number that can be written in...