Servlets
Reading Servlet Parameters The ServletRequest class includes methods that allow you to read the names and values of parameters that arc included in a client ,request. We will develop a servlet that illustrates their use. The example contains two files: Post...
Servlets
THe ServletOutputStream Class. The Servletoutputstream ·dass extends OutputStream. It is implemented by the server and provides output stream that a servlet developer can use to write data to a client response. A default constructor is defined. It also defines the...
Servlets
The SingleThreadmodel Interface The SingleThreadModel interface is used to indicate that only a single thread should execute the service( ) method of a servlet, It defines no constants and declares no methods. If a servlet implements this interface, the server creates...
Servlets
The ServletContext .Interface The requestContext interface is implemented hy the server. It enables servlets to obtain information about their environment. One important note: The gcrScrvlett ) and getScrvlctNames( ) methods are dangerous touse, because they can...
Servlets
The Servlet Interface All servlets must implement the Scrvlct interface. It declares. the inil( ), service( ), and dcstroy() methods that are called by the server during the life cycle of a servlet. A method is also provided that allows a servlet to obtain nil)’...
Servlets
The Servlet API Two packages contain the code the it servlet: javax.servlet and javax.servlet.http. They constitute the Servlet API.It the time of this writing) these packages are not part of the java : Therefore, they arc nut included in the Java Development Kit...
