Singleton Design Pattern-Java
548
What is an efficient way to implement a singleton pattern in Java?
81624
Is returning null bad design?
129207
What is so bad about singletons?
124515
Java: Non-static nested classes and instance.super()
65045
Thread safety of static blocks in Java
41188
When would you use the Builder Pattern?
158951
What makes a static variable initialize only once?
70195
Can I use Class.newInstance() with constructor arguments?
66370
Java - access private instance variables
75269
Is it possible to define a Ruby singleton method using a block?
82039
Search for singleton tags on questions
88877
What is the difference between dynamic and static polymorphism in Java?
79142
Are static class instances unique to a request or a server in ASP.NET?
34598
Concurrency in Java: synchronized static methods
114816
Is null reference possible?
24537
How do servlets work? Instantiation, sessions, shared variables and multithreading
90867
The performance impact of using instanceof in Java