title: Cannot instantiate an abstract class
body: <pre><code>package InterfaceAbstractOverloadingOverriding;
  
  public class instrumentExecute 
  {
  
      public static void main(String[] args) 
      {
           GuitarAbstract g = new GuitarAbstract();
           NewGuitar ng = new NewGuitar(); 
           g.play();
           ng.play();
  
           g = new GuitarAbstract(7);
           ng = new NewGuitar(5);
           g.play();
           ng.play();
      }
  }
  </code></pre>
  
  <p>I'm not able to instantiate the <code>GuitarAbstract</code> class </p>
  
  <p>Error: </p>
  
  <pre><code>Cannot instantiate the type GuitarAbstract.GuitarAbstract is an abstract class.
  </code></pre>