title: To use a string value as a variable name
body: <p>Is it possible to use String as a variable name.. like in this example -</p>
  
  <pre><code>String musicPlaying = "music2";
  Music music1 = new Music("blaalla");
  Music music2 = new Music("blalala");
  Music music3 = new Music("balaada");
  
  if(!musicPlaying.stillPlaying) { // As you can see i am using string as a variable name.
    changeMusic();
  }
  </code></pre>