Which JSP lifecycle methods Cannot be overridden?
JSP contains three life cycle methods namely jspInit( ), _jspService() and jspDestroy(). In these, jspInit() and jspDestroy() can be overridden and we cannot override _jspService().
What is JSP life cycle method?
Instantiation(Object of the generated Servlet is created) Initialization(jspInit() method is invoked by the container) Request processing(_jspService()is invoked by the container) JSP Cleanup (jspDestroy() method is invoked by the container)
Can I override jspInit?
Anyhow we can override jspInit() and jspDestry() using %… %>. but we cannot override jspService() method in jsp.
Why is _jspService () method starting with an ‘_’ While other life cycle methods do not?
Why is _jspService() method starting with an ‘_’ while other life cycle methods do not? _jspService() method will be written by the container hence any methods which are not to be overridden by the end user are typically written starting with an ‘_’.
Can a web page author override _jspService () method?
JSP container creates _jspService() methods so it should not be overridden.
Which JSP life cycle is in the correct order?
Which one is the correct order of phases in JSP life cycle? Explanation: The correct order is Compilation, Initialization, Execution, Cleanup.
How many phases are there in JSP life cycle?
Let’s learn different phases of JSP Life Cycle Compilation process of JSP page involves three steps: Parsing of JSP. Turning JSP into servlet. Compiling the servlet.
Can a Web page author override _jspService () method?
Which one is the correct order of phases in JSP life cycle?
Compilation, Initialization, Execution, Cleanup
Which one is the correct order of phases in JSP life cycle? Explanation: The correct order is Compilation, Initialization, Execution, Cleanup.
Which of the following exceptions may be thrown by the _jspService () method?
The _jspService() method may throw a javax. servlet. ServletException, a java.
Can be used alternatively in JSP?
–comment–> and <%–comment–%> be used alternatively in JSP? Explanation: –comment–> is an HTML comment. <%–comment–%> is JSP comment.
Which of the following is true about initialization phase in JSP life cycle?
Q 24 – Which of the following is true about Initialization phase in JSP life cycle? A – When a container loads a JSP it invokes the jspInit method before servicing any requests.
Which of the following is true about execution phase in JSP life cycle?
Q 25 – Which of the following is true about Execution phase in JSP life cycle? A – Whenever a browser requests a JSP and the page has been loaded and initialized, the JSP engine invokes the _jspService method in the JSP.
Which phase of JSP life cycle compiles the source code of the JSP class and produces the class file?
Translation of the JSP Page: A Java servlet file is generated from a JSP source file. This is the first step of JSP life cycle. In translation phase, container validates the syntactic correctness of JSP page and tag files.
Which JSP life cycle is in order?
Which life cycle method is responsible to process request in JSP?
The _jspService() method of a JSP is invoked once per a request and is responsible for generating the response for that request and this method is also responsible for generating responses to all seven of the HTTP methods ie. GET, POST, DELETE etc.
What is true about initialization phase in JSP life cycle?
Q 24 – Which of the following is true about Initialization phase in JSP life cycle? A – When a container loads a JSP it invokes the jspInit() method before servicing any requests.
What is Jasper exception in JSP?
The jasper exception might be due to any small mistake we commit in our JSP. Then, the compiler cannot compile the class for Java. So, what can be concluded broadly is JasperException occurs when our JSP can’t be compiled into class file… for example, Yourfile.
What is exception handling in JSP?
Exception Handling is the process to handle the runtime errors. There may occur exception any time in your web application. So handling exceptions is a safer side for the web developer. In JSP, there are two ways to perform exception handling: By errorPage and isErrorPage attributes of page directive.
Can be used alternatively in JSP * True False?
Correct Option: A. is an HTML comment. <%–comment–%> is JSP comment.