Write a program to print series of prime numbers upto n in Java

Here is my solution to

Write a program to print series of prime numbers upto n in Java

Program:

class Primeupto
{
  public static void main(String arg[])
    {
       int n,c=0,j=2;
      n = Integer.parseInt(arg[0]);
      System.out.println(" The prime nos. upto "+n+" are  ");
 for( j=2;j<=n;j++)
 { 
      c=0;
      for(int k=2;k<=j/2;k++)
      {
         if(j%k==0)
          c++;
      }
 if(c==0)
 System.out.print("\t"+j);
      }
 }
}

Output: