title: Why exactly do subclass constructors have to explicitly call super class constructors?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/1168345/why-does-this-and-super-have-to-be-the-first-statement-in-a-constructor">Why does this() and super() have to be the first statement in a constructor?</a>  </p>
  </blockquote>
  
  
  
  <p>Why exactly do subclass constructors have to explicitly call super class constructors? What is the reason for this?</p>