Skip to content
Home » Does Servlet Have Main Method? The 22 Correct Answer

Does Servlet Have Main Method? The 22 Correct Answer

Are you looking for an answer to the topic “Does servlet have main method?“? We answer all your questions at the website Musicbykatie.com in category: Digital Marketing Blogs You Need To Bookmark. You will find the answer right below.

Servlet is also java program but there is no main method in servlet.The Servlet is treated as web component in Java EE platform and it will run inside web container, so there will not be any main method to call a servlet. The Servlet’s life cycle will be managed by web container.There is no main() method, because the components are managed and the container invokes other methods – like the init() on servlets and filters. The container itself is started through a main method, but even that’s hidden from you.

Methods of Servlet interface
Method Description
public void destroy() is invoked only once and indicates that servlet is being destroyed.
public ServletConfig getServletConfig() returns the object of ServletConfig.
public String getServletInfo() returns information about servlet such as writer, copyright, version etc.
Does Servlet Have Main Method?
Does Servlet Have Main Method?

Table of Contents

Why servlet does not contain main method?

The Servlet is treated as web component in Java EE platform and it will run inside web container, so there will not be any main method to call a servlet. The Servlet’s life cycle will be managed by web container.

Why there is no main method in JSP?

There is no main() method, because the components are managed and the container invokes other methods – like the init() on servlets and filters. The container itself is started through a main method, but even that’s hidden from you.


66 if main method is placed in our servlet program? | Adv Java Servlet Programming Tutorial

66 if main method is placed in our servlet program? | Adv Java Servlet Programming Tutorial
66 if main method is placed in our servlet program? | Adv Java Servlet Programming Tutorial

Images related to the topic66 if main method is placed in our servlet program? | Adv Java Servlet Programming Tutorial

66 If Main Method Is Placed In Our Servlet Program? | Adv Java Servlet Programming Tutorial
66 If Main Method Is Placed In Our Servlet Program? | Adv Java Servlet Programming Tutorial

Which methods are used by a servlet?

Methods of Servlet interface
Method Description
public void destroy() is invoked only once and indicates that servlet is being destroyed.
public ServletConfig getServletConfig() returns the object of ServletConfig.
public String getServletInfo() returns information about servlet such as writer, copyright, version etc.

How do you call a servlet from the main method in Java?

As Suresh says, you cannot call a Servlet directly from a main method. Your Servlet should instead call methods on other classes, and those other classes should be callable from the main method, or from Test Cases. You need to architect your application to make that possible.

Is servlet platform-independent?

Servlets provide a component-based, platform-independent method for building Web-based applications, without the performance limitations of CGI programs. And unlike proprietary server extension mechanisms (such as the Netscape Server API or Apache modules), servlets are server- and platform-independent.

Can we use main method to run the j2ee application?

With Java EE there is no such thing as main. Depending on your configuration, everything is bound to an URL which will execute the Bean it binds to.

Does Java have a main function?

Java’s main function is void, which means it does not return any value when it completes. main – When the JVM starts a standalone application, the main method is the function that gets invoked.


See some more details on the topic Does servlet have main method? here:


Why main() is not written in servlets programs?

Thus Servlet container class has main method from where program starts execution and later call init(), service() method which will internally …

+ View Here

servlet does not contain main() – CodeRanch

Hi, Yes, you are right ……servlet has no main method but still how it runs…….

+ Read More

servlet has not any main method in it how does it work by JVM?

a main method the servlet is called. Is This Answer Correct ? 6 Yes, 0 No. servlet has not …

+ View Here

Can we overload main () method?

Yes, we can overload the main method in Java, but When we execute the class JVM starts execution with public static void main(String[] args) method.

Why main method is inside a class in Java?

Because that is how the language was designed. The JVM first loads the class containing the main function and then calls the main() method. Without loading the class, main() cannot be called, i.e, main() doesn’t exist without its enclosing class.

Which are two main methods of servlet?

There are two main servlet types, generic and HTTP:
  • Generic servlets. Extend javax. servlet. GenericServlet. Are protocol independent. …
  • HTTP servlets. Extend javax. servlet. HttpServlet. Have built-in HTTP protocol support and are more useful in a Sun Java System Web Server environment.

What is the difference between JSP and servlet?

Servlets can accept and process all type of protocol requests. JSP on the other hand is compatible with HTTP request only. In Servlet by default session management is not enabled, the user has to enable it explicitly. On the other hand in JSP session management is automatically enabled.

Is servlet a class or interface?

The Servlet interface is the root interface of the servlet class hierarchy. All Servlets need to either directly or indirectly implement the Servlet interface. The GenericServlet class of the Servlet API implements the Servlet interface.


#6 Servlet and JSP Tutorial | Get and Post

#6 Servlet and JSP Tutorial | Get and Post
#6 Servlet and JSP Tutorial | Get and Post

Images related to the topic#6 Servlet and JSP Tutorial | Get and Post

#6 Servlet And Jsp Tutorial | Get And Post
#6 Servlet And Jsp Tutorial | Get And Post

How do you call a method in servlet?

Calling a Servlet Programmatically

To include another servlet’s output, use the include() method from the RequestDispatcher interface. This method calls a servlet by its URI and waits for it to return before continuing to process the interaction. The include() method can be called multiple times within a given servlet.

What is RequestDispatcher in servlet?

javax.servlet

public interface RequestDispatcher. Defines an object that receives requests from the client and sends them to any resource (such as a servlet, HTML file, or JSP file) on the server.

How can a servlet call another URL?

SendRedirect in servlet

The sendRedirect() method of HttpServletResponse interface can be used to redirect response to another resource, it may be servlet, jsp or html file. It accepts relative as well as absolute URL. It works at client side because it uses the url bar of the browser to make another request.

Is servlet a framework?

Servlets and JSPs

The Servlet and JSP are incredibly simple ways to handle an incoming request, and to develop HTML that gets displayed inside a client’s web browser, respectively. All the existing Java-based web frameworks simply build on top of the Servlet and JSP API.

What is the difference between servlet and CGI?

All the programs of Servlets are written in JAVA and they get to run on JAVA Virtual Machine.

Difference between Java Servlet and CGI.
Basis Servlet CGI
Data Sharing Data sharing is possible. Data sharing is not possible.
Link It links directly to the server. It does not links directly to the server.
Feb 11, 2022

What is servlet life cycle?

A servlet life cycle can be defined as the entire process from its creation till the destruction. The following are the paths followed by a servlet. The servlet is initialized by calling the init() method. The servlet calls service() method to process a client’s request.

What happens if you add a main method to servlet?

If a main method is added, that particular servlet can be run independently with an option– Run as Java Application with the methods(static ofcourse) that you ought to call from main method.

Can we have 2 main methods in Java?

From the above program, we can say that Java can have multiple main methods but with the concept of overloading. There should be only one main method with parameter as string[ ] arg.

Why main method is void in Java?

As the main() method doesn’t return anything, its return type is void. As soon as the main() method terminates, the java program terminates too. Hence, it doesn’t make any sense to return from the main() method as JVM can’t do anything with the return value of it.

How does JVM find main method?

main doesn’t need to be a keyword in java in order for the JVM to look for it at the start of execution. There is no conflict with other methods or variables also called main . This is simply how the JVM spec was designed. It was most likely borrowed from the c language.


Fix Error: Main method not found in class

Fix Error: Main method not found in class
Fix Error: Main method not found in class

Images related to the topicFix Error: Main method not found in class

Fix Error: Main Method Not Found In Class
Fix Error: Main Method Not Found In Class

What is Java main method?

Java main method is the entry point of any java program. Its syntax is always public static void main(String[] args) . You can only change the name of String array argument, for example you can change args to myStringArgs .

Can we write main method in interface?

It cannot have a method body. Java Interface also represents the IS-A relationship. Like a class, an interface can have methods and variables, but the methods declared in an interface are by default abstract (only method signature, no body).

Related searches to Does servlet have main method?

  • can we override service method in servlet
  • which method is used to set an attribute in servlet?
  • how to call servlet from main method in java
  • 15 how can you create a session in servlet
  • what is the correct syntax for getting the form data inside a servlet code
  • method of servlet
  • how to call a method in main method java
  • servlet does not have main() method
  • servlet can access rdbms
  • servlets are executed on server side
  • syntax for writing a welcome message using html code inside a servlet is
  • servlet life cycle
  • which method is called first each time a servlet is invoked
  • servlet main method
  • servlets are executed by web browser
  • how many times service method called in servlet
  • when service method of servlet gets called
  • is main method compulsory in java
  • which is the method of generated servlet
  • why string is used in main method of java
  • which method is used to set an attribute in servlet
  • what is the correct syntax for getting the form data inside a servlet code?
  • how to call main method again in java

Information related to the topic Does servlet have main method?

Here are the search results of the thread Does servlet have main method? from Bing. You can read more if you want.


You have just come across an article on the topic Does servlet have main method?. If you found this article useful, please share it. Thank you very much.

Leave a Reply

Your email address will not be published. Required fields are marked *