title: Automatic id generation
body: <p>Any one have idea how to generate <code>id</code> starting from 1 so that the next object has 2 and so on?</p>
  
  <p>I have trying the following but dose not work:</p>
  
  <pre><code>class students{
  
      private int id;
      private String name;
  
      public student(String name){
          this.id=id++;
          this.name
      }
  }
  </code></pre>