title: Operator overloading
body: <p>Java doesn't support operator overloading. If so then in the following code:</p>
  
  <pre><code>System.out.println( "I am" + "a programmer");
  </code></pre>
  
  <p><code>+</code> is concatenating string.  </p>
  
  <p>Isn't it operator overloading?</p>