✴ Design patterns are programming language independent strategies for solving the common object-oriented design problems. That means a design pattern represents an idea not a particular implementation.✴

► By using the design patterns you can make your code more flexible reusable and maintainable. It is the most important part because java internally follows design patterns.✦

► To become a professional software developer you must know at least some popular solutions (i.e. design patterns) to the coding problems.✦

【Topics Covered in this App are Listed Below】

⇢ Design Pattern – Overview

⇢ Factory Pattern

⇢ Abstract Factory Pattern

⇢ Singleton Pattern

⇢ Builder Pattern

⇢ Prototype Pattern

⇢ Adapter Pattern

⇢ Bridge Pattern

⇢ Filter/Criteria Pattern

⇢ Composite Pattern

⇢ Decorator Pattern

⇢ Facade Pattern

⇢ Flyweight Pattern

⇢ Proxy Pattern

⇢ Chain of Responsibility Pattern

⇢ Command Pattern

⇢ Interpreter Pattern

⇢ Iterator Pattern

⇢ Mediator Pattern

⇢ Memento Pattern

⇢ Observer Pattern

⇢ State Pattern

⇢ Null Object Pattern

⇢ Strategy Pattern

⇢ Template Pattern

⇢ Visitor Pattern

⇢ MVC Pattern

⇢ Business Delegate Pattern

⇢ Composite Entity Pattern

⇢ Data Access Object Pattern

⇢ Front Controller Pattern

⇢ Intercepting Filter Pattern

⇢ Service Locator Pattern

⇢ Transfer Object Pattern

⇢ Eager initialization

⇢ Lazy initialization

⇢ Static block initialization

⇢ Bill pugh solution

⇢ Background information of factory pattern

⇢ Strategy Design Pattern

⇢ Single Responsibility Principle

⇢ The Open/Closed Principle and Strategy Pattern

⇢ Liskov’s Substitution Principle (LSP)

⇢ Interface Segregation Principle (ISP)

⇢ The Dependency Inversion Principle

⇢ Copy Constructor in Java


⇢ Cloning using In-memory Serialization

⇢ Fluent Interfaces

⇢ Using Enum

⇢ Adding readResolve()

⇢ Adding a serial version id

⇢ The Vector Class