prime number is java

class prime_no
{
    public static void main(String args[])
    {
        boolean prime=true;
        int i,no=23;
        for(i=2;i<no;i++)
        {
            if(no%i==0)
            {
                prime=false;
                break;
            }
        }
        if(prime)
        {
            System.out.println("It is prime");
        }
        else
        {
            System.out.println("It is not prime");
        }
    }
}