title: why autoimport only java.lang package?
body: <p>I know that the package <code>java.lang</code> is auto-imported by every java program we write, hence all the classes in it are automatically available to us.</p>
  
  <p>My question is why not auto import <code>java.util</code> and other packages too? That sure will save some typing :) </p>
  
  <p>So please explain why is this not done.</p>