Why java Instance initializers?
113556
How is an instance initializer different from a constructor?
137541
class variable vs instance variable --Python
16807
Should I always/ever/never initialize object fields to default values?
72583
Why can array constants only be used in initializers?
120716
Avoiding 'instanceof' in Java
91778
Object array initialization without default constructor
133927
Java variable might not have been initialized?
29701
Why does instanceof return false for some literals?
142092
Class methods which create new instances
95924
When do we have to use copy constructors?
17877
Why are local variables not initialized in Java?
49662
Confused with direct initialization and copy initialization
73866
Why must local variables have initial values?
100418
Meaning of new Class(...){{...}} initialization idiom
33243
Self-references in object literals / initializers
93900
How to initialize anonymous inner class in Java
146924
When we should go for a Singleton class in Java?