Is servlet the singleton?
24537
How do servlets work? Instantiation, sessions, shared variables and multithreading
131321
What is the correct way to write a singleton pattern in Ruby?
146924
When we should go for a Singleton class in Java?
125084
What does the servlet  value signify
98426
Using org.json in Servlet causes java.lang.ClassNotFoundException: org.json.JSONException
118672
IsInstance in Django template?
138824
Is there a use-case for singletons with database access in PHP?
119077
Singleton: How should it be used
18535
Where System.out writes in a servlet?
8937
How do I reference the only element in a singleton set?
88734
Finding your application's URL with only a ServletContext
85429
What does @synchronized() do as a singleton method in objective C?
70195
Can I use Class.newInstance() with constructor arguments?
21417
How can I set a session variable in a servlet and get it in a JSP?
33481
Getting server name during servlet initialization
54416
Can a JSP template be used from within Java?
60936
Servlet vs RESTful