How do you retrieve form data sent through a GET request in a servlet?
- request.getFormData()
- request.getParameter()
- request.readFormData()
- request.readParameter()
The request.getParameter() method is used to retrieve form data sent through a GET request in a servlet.
When integrating with Java-based frameworks like Spring, which technology provides more seamless integration?
- Both
- JSP
- None of the above
- Servlet
When integrating with Java-based frameworks like Spring, Servlets provide more seamless integration. Servlets are the foundation of Java web applications, and frameworks like Spring often use Servlets as a basis for handling requests and managing the application flow. Integrating with Servlets is a common practice in Spring-based applications.
Servlet configuration parameters are accessed via the _________ method of the ServletConfig interface.
- getInitParameter()
- getParamValue()
- getParameter()
- readConfigParameter()
Servlet configuration parameters are accessed using the getInitParameter() method of the ServletConfig interface.
How are servlet mappings defined in the web application deployment descriptor?
Servlet mappings are defined using the element in the web application deployment descriptor (web.xml).
To set the content type of the response in a servlet, which method is commonly used?
- addType(String type)
- appendContentType(String type)
- setContentType(String type)
- writeType(String type)
The setContentType(String type) method is commonly used to set the content type of the response in a servlet.
A servlet needs to send a file to the client with a specific filename. Which response header should be set and by which method?
- Cache-Control, setHeader()
- Content-Disposition, setHeader()
- Content-Type, setContentType()
- Location, sendRedirect()
To send a file with a specific filename, the Content-Disposition header should be set using the setHeader() method in the HttpServletResponse.
A ________ request can be cached by the browser, whereas a ________ request cannot.
- GET; POST
- GET; PUT
- POST; DELETE
- POST; PUT
A GET request can be cached by the browser, whereas a POST request cannot be cached.
A developer needs to implement complex business logic with minimal HTML. Should they choose Servlet or JSP?
- Both
- JSP
- None of the above
- Servlet
When implementing complex business logic with minimal HTML, Servlets are more suitable as they provide better control over the business logic, separating it from the presentation layer. JSP is better for the view layer and is commonly used for creating dynamic web pages with embedded Java code.
In a servlet, to get an array of all the values of a multi-valued parameter, use the __________ method.
- getArrayValues()
- getMultiValuedParameter()
- getParameterValues()
- retrieveParameterArray()
The getParameterValues() method in a servlet is used to get an array of all the values of a multi-valued parameter.
When handling file uploads in a servlet, the __________ utility class from Apache Commons FileUpload can be used.
- FileParser
- FileReader
- FileUpload
- FileWriter
When handling file uploads in a servlet, the FileUpload utility class from Apache Commons FileUpload is commonly used for parsing and processing multipart/form-data requests, including file uploads.
What object is primarily used to read form data in a servlet?
- FormReader
- HttpRequest
- HttpServletRequest
- ServletRequest
The HttpServletRequest object is primarily used to read form data in a servlet.
Which technology is primarily used for writing business logic in a web application?
- CSS
- HTML
- JSP
- Servlets
Servlets are primarily used for writing business logic in a web application.