Java Program to print Prime numbers

Write an Java Program to print Prime numbers

PRIME

import java.io.*;

class prime

{

            public static void main(String[] args)throws IOException

                        {

                        BufferedReader stdin=new BufferedReader(new InputStreamReader(System.in));                       

                        System.out.println("Enter a no:");

                        int num=Integer.parseInt(stdin.readLine());           

                        int i;

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

                                       {

                                          int rem = num%i;

                                                      if (rem==0)

                                                                  {

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

                                                                    break;

                                                                 }

                                      }

                                        if(i == num)

                                       {

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

                                        }                                                 

                        }

}

  

OUTPUT

C:\Program Files\Java\jdk1.5.0\bin>java prime

Enter a no:

3

3 is a Prime number