write a java program to check the given No is Prime or Not.

Program :

class Prime

{

public static void main(String[] args) {

int n = 7 , i = 1 , count = 0 ;

do

{

if (n % i == 0) 

count++ ;

i++ ;

}while( i<=n);

if (count == 2 ) 

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

else

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

          }

}

Output :