Cek Bilangan Prima

Codenya;

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 a number for check:");
//capture the input in an integer
int num=scan.nextInt();
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 Prime Number");
else
  System.out.println(num + " is not Prime Number");
   }
}

Hasilnya: