Program to check whether input number is prime or not

Program to check whether input number is prime or not

import java.util.Scanner;

class PrimeCheck

{

   public static void main(String args[])

   {

int temp;

boolean isPrime=true;

Scanner scan= new Scanner(System.in);

System.out.println("Enter any number:");

//capture the input in an integer

int num=scan.nextInt();

        scan.close();

for(int i=2;i<=num/2;i++)

{

           temp=num%i;

   if(temp==0)

   {

      isPrime=false;

      break;

   }

}

//If isPrime is true then the number is prime else not

if(isPrime)

   System.out.println(num + " is a Prime Number");

else

   System.out.println(num + " is not a Prime Number");

   }

}