When a developer builds their first Java web application with Tomcat and Eclipse, they may run into the “HttpServlet not found” exception in a JSP creation or Servlet addition to their web project.

Those who want to use Java Server Page (JSP) or Java Servlet, first they have to install Apache Tomcat Server. After installation of Apache Tomcat you have to download Eclipse IDE.

To develop Android applications, the user can employ Netbeans or Eclipse for assistance. Each Integrated Development Environment (IDE) is free and easy to maneuver.