title: At runtime, the number of instances of a class needs to be tracked
body: <blockquote>
    <p>At runtime, the number of instances of a class needs to be tracked. From an object oriented standpoint, which one of the following conventions do you use to achieve this?</p>
  </blockquote>
  
  <p>Choices</p>
  
  <ol>
  <li>Class level variable (Static member variable)</li>
  <li>Global variable</li>
  <li>Constructor</li>
  <li>Local variable</li>
  <li>Destructor</li>
  </ol>
  
  <hr>
  
  <p>Choice 1 is my choice</p>
  
  <p>Am I right?</p>
  
  <p>not homework.</p>
  
  <p>I'm a JAVA  programmer.But I had to answer C++ quesion.</p>