How can I create a servlet in Java?
Servlets can be created using the javax.servlet and javax.servlet.http packages, which are a standard part of the Java’s enterprise edition, an expanded version of the Java class library that supports large-scale development projects.
Which is the logger class in Java util?
Java Log Manager. In Java, the LogManager is a class that belongs to the java.util.logging package. It keeps track the global logging configuration, creates, and maintains the logger instances. We can also use it to set its own application-specific configuration. It includes the following two things: The hierarchical namespace of named Logger.
What are the advantages of using Servlet in Java?
The advantages of Servlet are as follows: 1 Better performance: because it creates a thread for each request, not process. 2 Portability: because it uses Java language. 3 Robust: JVM manages Servlets, so we don’t need to worry about the memory leak, garbage collection, etc. 4 Secure: because it uses java language.
What do you need to know about Log4j in Java?
It is an open-source logging API for java. Simply the logging means some way to indicate the state of the system at runtime. Logs are used to capture and persists the important data and make it available for analysis at any point in time. Before learning Log4j, you should have a basic understanding of Java.
How are servlets trusted by the Java Community?
So servlets are trusted. The full functionality of the Java class libraries is available to a servlet. It can communicate with applets, databases, or other software via the sockets and RMI mechanisms that you have seen already. 3. Servlet Architecture 4. Servlet Task Read the explicit data sent by the clients (browsers).
Which is one of the main tasks of servlets?
Servlets Tasks Servlets perform the following major tasks: Read the explicit data sent by the clients (browsers). This includes an HTML form on a Web page or it could also come from an applet or a custom HTTP client program. Read the implicit HTTP request data sent by the clients (browsers).
Why are servlets written in Java and platform independent?
It is not necessary to create a separate process to handle each client request. Servlets are platform-independent because they are written in Java. Java security manager on the server enforces a set of restrictions to protect the resources on a server machine.