Iteration vs. Recursion in Java
Iteration and recursion are exchangeable in most cases. In theory, every program can be rewritten to avoid iteration using recursion. However, it is important to know that when ...
Behavioral Patterns
Behavioral patterns improve communication and flexibility between objects. All Patterns Observer Observer pattern establishes a one to many relationship, so if an obser...
Structural Patterns
These patters are about providing different ways to create a class structure with inheritance and composition. All Patterns Adapter Adapter pattern wraps a interface in...
Java Variables Initialization
There are two ways of initialize a field, eagerly and lazily. Lazy initialization is based on initializing the field when the value is needed, whereas the eager initialization i...