Program To Print All Even Numbers Till the Given Number

import java.io.*;


class PrimeNumberS  // By Steve
{
  public static void main(String[] args) throws Exception
  {
  int i;
  BufferedReader bf = new BufferedReader(
  new InputStreamReader(System.in));
  System.out.println("Enter number:");
  int num = Integer.parseInt(bf.readLine());
 System.out.println("Prime numbers Are:");

  for (i=1; i < num; i++ )
  {
  int j;
  for (j=2; j<i; j++)
  {
  int n = i%j;
  if (n==0)
  {
  break;
  }
  }
  if(i == j){
  System.out.println(+i);
  }
  }
  }
}

Input:10,30,50.


Output: