user based web-app static vs instance method
24537
How do servlets work? Instantiation, sessions, shared variables and multithreading
30046
Method can be made static, but should it?
125185
Is it safe to save the app context to a static variable in Android?
3018
Any reason to prefer getClass() over instanceof when generating .equals()?
47049
Why are singleton objects more object-oriented?
158646
OO Design - do you use public properties or private fields internally?
33298
Why is the Java main method static?
25630
How to implement a single instance Java application?
88877
What is the difference between dynamic and static polymorphism in Java?
27022
The difference between Classes, Objects, and Instances
150236
Superiority of unnamed namespace over static?
61128
Would it be beneficial to begin using instancetype instead of id?
21977
Static Classes In Java
119077
Singleton: How should it be used
45053
When should I write Static Methods?
34819
What is the difference between an Instance and an Object?
97624
In what order do static/instance initializer blocks in Java run?