sizeof operator doesn't work properly in call with static data members

From: balasubramaniam (balucit_at_yahoo.co.in)
Date: 11/30/03 

Date: 29 Nov 2003 21:15:49 -0800

I comile the code in unix where sizof(int)=4
#include<iostream>
using namespace std;

class A
{
  int i;
  static int j;
};
int A::j = 10;
int main()
{
   cout<<sizeof(A)<<endl;

}
  both i,j are members of class A.so sizeof(A) should be printed as 8.
But i get 4.
      could anyone explain this behavior.

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