Prints out all prime numbers upto that integer

Program that prints out all prime numbers upto that integer

import java.io.*;

import java.lang.*;

import java.util.*;

class Prime

{

  public static void main(String args[])

  {

    int i,j,n;

    int count=0;

    Scanner s=new Scanner(System.in);

    System.out.println("Enter Number : ");

    n=s.nextInt();

    for(i=1;i<=n;i++)

    {

      count=0;

      for(j=1;j<=i;j++)

      {

        if(i%j==0)

         count++;

      }

      if(count==2)

      System.out.println("\t"+i);

     }

   }

}