System Design | Implementation Rule Book | CheatSheet

 In Software it is very essential to craft a solution which caters to the all possible requirements. Thus it would be generic enough to be a...

Consider a situation where - A Consuructor has too many arguments. - We need to solve incorrect object state. BankAccount account = new ...

The-openclosed-principle: Open to Extension: Collections. Sort(<>, comparator)                 - It is just the comp...

                                                                Design Pattern in JDK Structural Adapter: This is used to convert the ...

 Factory pattern in Java is heavily used everywhere including JDK, open source library and other frameworks. Advantages of using Fac...

·          Builder Pattern     Creational Patterns (Java) When to use: If your application needs similar, but distinct, object...