Quote 1: Avoid creating unnecessary objects and always prefer to do Lazy Initialization Object creation in Java is one of the most expensive operation in terms of memory utilization and performance impact. It is thus advisable to create or initialize an object only when it is required in the code.public class Countries {private List countries; public ...
Design Patterns are always wonderful for one who can perceived them as an tool to create generic solution to commonly occurring problems, let it be then software architecture, development issue or just coding work around.With plethora of resources and material available online about software design patterns, it's always a
GoF Patterns book serves as bible. However it is not prudent every time ...
Java Singleton design pattern is one of the design pattern that governs the instantiation of an object in Java. This design pattern suggest that only one instance of a Singleton object is created by the JVM. This pattern is useful when exactly one object is needed to coordinate actions across the system. Also it can be generalized to restrict the objects to certain number of ...
