JSP course review materials (1) -- Glossary

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Glossary 1. jsp dynamic web page technology JSP (Java Server Pages) is a dynamic web page technical standard proposed by Sun and established by many companies, JSP is developed in Servlet technology and has become a very important component of J2EE technology applications. JSP is a dynamic web page technology that processes information together with HTML, Java code, JavaScript code, and other content. It is mainly used to process client information in the B/S development architecture. 2. Tomcat is a free and open-source Web container. The latest JSP and Servlet specifications can be implemented in the new version of Tomcat. As a free software, Tomcat is supported by open source enthusiasts. It can work with most mainstream HTTP servers and is stable and reliable. This makes him the best choice for developing small Java Web applications. 3. servletservlet is a very important part of J2EE technology and is used to build the main part of the application running on the server. Servlet is a server-side program written in Java and called and executed by the server. The latest servlet standard is servlet 2.4. It is already a very mature technology. The benefit that servlet brings to programmers is that it can process HTTP requests sent from clients and return a response. Servlet is a Java class, so servlet is highly scalable. 4. The JDBC Java database connectivity (JDBC) database provides the means to execute SQL statements to access and operate relational databases. JDBC is designed as a Java-based object-oriented application programming interface (API) to facilitate data access and become a standard that Java developers and database developers can abide. The JDBC library is designed to be an interface for executing SQL statements. Although the JDBC library is not designed to automatically map Java classes to rows in the database, it allows large applications to write data to the JDBC interface, as a result, programmers do not have to worry too much about the database they use with the application. 5. MVC development mode MVC is a very popular design mode, which is short for Model-View-controller. It divides an application into three layers or modules: view layer, model layer, and controller layer. A view is an interface for user interaction. A model is the main body of an application. It represents business data and business logic. A controller receives user input and calls a model and view to complete user requests. The controller needs to: receive user requests, call the model component to process requests, and call the view to display the data returned after model processing. 6. The an component an architecture is one of the first standard models fully based on components. Javabean is a description of Java

Software Component Model, which is a Java class, which follows an Interface format, this allows you to construct classes as standard JavaBeans components by naming methods, underlying behaviors, and inherited or implemented behaviors.