What is a Java Servlet?
Java Servlet is a small Java Program. It operates within the webserver. Servlet receives requests from Web Clients and responds to them. The server requests that Java Servlet receives are primarily spread across Hypertext Transfer Protocols. Servlets are completely different from Applets. An Applet is an application that runs on a client whereas a Servlet runs on a server.
Basic Features of Java Servlet
Some of the primary features of Java Servlet are-
- Java Servlet is a simple and consistent mechanism
- It is used to extends the functions of the web servers
- Java Servlet is precompiled Java program.
- It requires a servlet compiler to run programs.
Benefits of a Java Servlet
Some of the core advantages of using a Java Servlet are indicated below-
- Java Servlet is highly time-efficient. It reduces the time required for running varied server processes. It also reduces the memory requirements successfully.
- The actual Java Servlet APIs provide all the required functions.
- Java Servlet is built in a Once Run Anywhere code (WORA). It is a cross-platform software that can be accessed on any kind of server platform.
- Java Servlets are protected with multiple high-security layers.
- It is open-source software and can be downloaded by anybody at any time.
- Some of the prominent functions of Java Servlets include- data sharing, session tracking, JDBC database connections.
Techniques of Java Servlet
Java Servlet is primarily handled through a Servlet container. It usually comprises three techniques within the Servlet interface. These techniques are-
Applications of Java Servlet
Some of the common applications of Java Servlet are as follows-
- It can be used to create stand-alone Spring applications.
- It can be embedded in Tomcat, Jetty, or Underflow directly.
- Servlets can provide opinionated ‘starter’ dependencies to simplify the built configurations of the programmer.
- One of the most prominent uses of Java Servlets is to automatically configure Spring and 3rd party libraries at every time.
- It also provides production-ready features, notably metrics, health checks, and externalized configuration.
- Java Servlets does not require any code generation and XML configuration is also not required.
Java Servlets assignments
Java Servlets is a very popular Java Program. Owing to its popularity, various universities have introduced it in their curriculum. Students are taught about programming in-depth and various term exams are conducted to assess the understanding of the subject. Apart from term exams, students are also examined with weekly assignments where students have to invest a lot of time. These assignments carry a lot of marks and are scoring too. Students getting good marks in these assignments will have an upper hand in their final exams. Universities always aim at providing advanced knowledge to the students. This creates a great gap for those students who do not have the basic knowledge about Java Programming. Assuming that students already know the basic attributes by default, professors focus more on integral aspects that are incomprehensible to the students. Such students face trouble in comprehending the questions that they get in assignments. Moreover, students usually have two reasons for not being able to write the assignments on time.
- Lack of time- Many students are involved in other part-time jobs. For them, it is almost impossible to attend the regular classes, and thus, writing assignments too is difficult.
- Lack of Knowledge- Students without the basic knowledge of Java programming will never be able to write assignments on Java Servlets. These students will never be able to understand the questions and writing answers to them is highly difficult.
- Failing to form answers based on university formats- Students who do not attend regular classes will find the rules Hebrew. Only expert writers know the rules and can form answers based on the marking rubric prepared by the universities.
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