ABAP SICF服务和Java Servlet的比较

In my opinion ABAP ICF handler and Java Servlet play the same role in enhancement which enables your web server with additional functionality.

This blog will not introduce how an ICF handler class in ABAP or a Servlet in Java are developed, but focus the way those instances of handler class or Servlet are spawned by Web Server.

Let’s first study the Servlet spawn behavi