Java Program the use boolean data type and print the Prime number Series upto 50.

 class Primetest

{

  public static void main (String args[])

  {

    int num, i;

    boolean prime = true;

    for (num = 3; num <= 50; num++)

      {

    prime = true;

    for (i = 2; i <= num / 2; i++)

      {

        if (num % i == 0)

          {

        prime = false;

          }

      }

    if (prime)

        System.out.println ("" num);

      }

  }

}