Why we can't call servlet constructor instead of init method to initialize the config parameters?
126169
Servlet constructor and init() method
134329
Can you use a string to instantiate a class?
55788
Setter DI vs. Constructor DI in Spring?
95949
How to invoke a servlet without mapping in web.xml?
60439
Accessing post variables using Java Servlets
91517
Creating a mock HttpServletRequest out of a url string?
93075
Why are global and static variables initialized to their default values?
10737
Where to place and how to read configuration resource files in servlet based application?
5721
Value passed with request.setAttribute() is not available by request.getParameter()
158020
IllegalArgumentException: The servlets named [com.staff.servlet.AllocationServlet] and [com.staff.servlet.SearchConditionServlet] are both mapped
55606
Use of Initializers vs Constructors in Java
24836
HTTP request parameters are not available by request.getAttribute()
11306
java.lang.IllegalArgumentException: Invalid  in servlet mapping
96834
How can I map a "root" Servlet so that other scripts are still runnable?
133903
Mock HttpContext.Current in Test Init Method
66307
A field initializer cannot reference the nonstatic field, method, or property
19015
When do we need to have a default constructor?