how to call a method of another class over using different class?
<p>How can I call one method in one class over using another class ?</p>

<p>I have ;</p>

<pre><code>class A { 
 public :
  foo ( ) ;
};

class B {
 public :
  bar ( ) ;
};
</code></pre>

<p>in main :</p>

<pre><code>A data ;          // I am creating instance of class A 

data . bar ( ) ;  //  but, I am calling a method of another class

                  // how can I do that ?
</code></pre>

<p>Note : I could not find a appropriate title. If you have one, feel free to share or edit </p>
