Factory Design Patterns In Java

The Factory pattern is presented in many ways to help you learn. Patterns are the reusable designs and interactions of objects. This pattern is found in the cards stamping equipment, used in manufacturing of playing cards. Singleton pattern is one of the simplest design patterns in Java. Let's take an example of Java Utils itself to understand Factory Pattern. You use the Factory design pattern when you want to define the class of an object at runtime. Check out the full list of covered patterns there. Abstract Factory design pattern is one of the Creational pattern. The main objective of the Message Interface Design Pattern is to decouple the software from its external interfaces. This pattern is one level of abstraction higher than factory pattern. If you are searching for it, most likely, you'll find references about the GoF patterns: Factory Method and Abstract Factory. Core Design Patterns. In the example above, LogManager has encapsulated the creation of Logger. All of the state involved in performing a match resides in the matcher, so many matchers can share the same pattern. We use an abstract class as the base. Let's create them now. According to GoF, this pattern "defines an interface for creating an object, but let subclasses decide which class to instantiate. I like this profession and I always do my job with passion, effort and responsibility, even cheerfully and enjoy meeting new people and making new friends in all jobs. This post is part of the Design Patterns in Java Series. We will solve the problem for owners of multi-cuisine restaurant by implementing Abstract Factory Pattern. The Factory pattern is one of the fundamental creational patterns along side the Singleton pattern which we talked about before. Factory pattern used to create an object by providing static factory methods. Introduction. Abstract Factory gives us a way to manage and decouple design in case Program has more than one Factory having the same Interface. Patterns are the reusable designs and interactions of objects. ) Figure 1 shows the UML diagram for a factory that returns Car objects. The first type of design pattern is the creational pattern. The Factory Method design pattern is used by first defining a separate operation, a factory method, for creating an object, and then using this factory method by calling it to create the object. Selenium PageFactory. AbstractFactory: This is the super-class of all the factories in the pattern implementation. In this article I'll demonstrate a small-but-complete example of the Factory Pattern (also known as the "Factory Design Pattern" and "Factory Method") implemented in Java. Best practices are called as Design Patterns. In this chapter, we are going to discuss about Factory Pattern, which is one of the most commonly used design patterns in Java/J2EE. Factory method is a creational design pattern, i. i will list out what i read ,please give. This means that the abstract factory returns the factory of classes. Adapter Design Pattern. Java Don't reinvent the wheel. This is an extension of my previous post regarding the Factory Pattern in Java. It is a part of the Creational Design Pattern. Factory Design Pattern in Java. Factory Pattern hay còn được biết tới là Factory Method Pattern. InetAddress. Give it read. Both factory and abstract factory are creational design patterns. org Joseph W. This pattern is found in the cards stamping equipment, used in manufacturing of playing cards. Factory pattern used to create an object by providing static factory methods. The essence of the Factory Pattern is to "Define an interface for creating an object, but let the subclasses decide which class to instantiate. An abstract factory returns factories. The point of using the Factory design pattern in RMI isn't that the factory is a singleton, it's that the client can receive multiple types from the factory, but only has to know about the interface that the classes implement. 이 패턴에 들어가기 전에 factory pattern과 abstract factory pattern들의 문제점(수 많은 attributes을 사용해야 패턴을 사용할 수 있는 점)에 대해 먼저 알아보자. Design Patterns in Real Life Object-Oriented Software Ashish Srivastava and Dr. It doesn't work in Java. Factory Pattern is one of the most commonly used design patterns in Java. It is a factory class which can be used to intantiate SAX based parsers to pares XML. A factory is a Java S W class that is used to encapsulate object creation code. Home; Factory Method Pattern in Java : Factory Pattern « Design Pattern « Java. In this chapter, we are going to discuss about Factory Pattern, which is one of the most commonly used design patterns in Java/J2EE. Abstract Factories. This entry was posted in java and tagged factory design pattern, factory design pattern advantages, factory design pattern real time example, Factory method on February 13, 2014 by pardeep131085. In software engineering, the singleton pattern is a design pattern that restricts the instantiation of a class to one object. This enables writing of subclasses that decide how a parent object is created and what type of objects the parent contains. Template method pattern (to define the preparation sequence). org Joseph W. The factory pattern (also known as the factory method pattern) is a creational design pattern. com Rebecca Wirfs-Brock Wirfs-Brock Associates [email protected] Factory design pattern follow creational design pattern. This pattern is one level of abstraction higher than factory pattern. As the name suggest, the idea is to create a factory class which will be responsible for conditionally instantiating one among the several defined object types. (If you already know the Factory pattern, you may choose to skip this section. Factory pattern in Java is heavily used everywhere including JDK, open source library and other frameworks. In this case, this strategy provides an abstract DAO factory object (Abstract Factory) that can construct various types of concrete DAO factories, each factory supporting a different type of persistent storage implementation. We had already covered about Factory Design Pattern in detail here. The Factory pattern is the most overused and abused design pattern. Abstract Factory (GOF): Provide an interface for creating families of related or dependent objects without specifying their concrete classes. This means that the abstract factory returns the factory of classes. • The factory method design pattern defines an interface for creating an object, but lets subclasses decide which class to instantiate. Abstract Factory. So, in future if there are more products or changes to individual product, the impact of the change is localized. Factory design pattern is used to create objects or Class in Java and it provides loose coupling and high cohesion. Abstract Factory Design Pattern is a creational design pattern, it is some high level design pattern that factory method design pattern. java and SolarisDBmanager. Here is a popular example of Factory design pattern. The factory always returns a newly created object or re-initialized one. Factory Method Pattern Vaskaran Sarcar1 (1)Bangalore, Karnataka, India This chapter covers the factory method pattern. A factory is a class that creates objects of the same type (they belong to the same hierarchy). An abstract factory returns factories. This factory class returns different subclasses based on the input provided and factory class uses if-else or switch statement to achieve this. After finishing this article, while writing your application, consider using the Java factory pattern. The Abstract Factory can in turn build on and use the Factory Method implementation, as suggested in Design Patterns: Elements of Reusable Object-Oriented Software [GoF]. In this article, we'll discuss the Abstract Factory design pattern. Using type safe enum (in java) to create factory. With the first concrete class complete, PartTimeEmployee. According to this design pattern, you just define an interface or abstract class to create related dependent object without specifying its concrete sub class. Why reinvent the wheel when you can follow a field-tested blueprint for solving your not-so-unique problem? Many of the design patterns in use today and described here originate from the famous Gang of Four book: "Design Patterns: Elements of Reusable Object-Oriented Software" by Eric Gamma, Richard Helm, Ralph Johnson, and John Vlissides (Addison-Wesley Publishing Co. [C# Design Patterns] The Factory Pattern One of the practices I want to use in my Precise Programming is to instantiate all objects through factories. Factory Method  is a creational design pattern that Define an interface for creating an object, but let subclasses decide which class to instantiate. The factory method pattern is an object-oriented design pattern to implement the concept of factories. Bu bolumde Abstract Factory Design Pattern‘i inceleyecegiz. We also examine the Open-Closed Principle, which specifies that classes should open for extension but closed for modification. Finally, you will identify problematic software designs by referencing a catalog of code smells. This acts as a factory and supports implemenation of multiple schemas using abstract factory design pattern. This class is abstract by definition. Therefore, the client code doesn't change when new subtypes get added or removed from the hierarchy. Following are some questions on Java Design Patterns, which includes answers also: Page 1 1) Which pattern is most appropriate when a decision must be. In this article, we'll discuss the Abstract Factory design pattern. To learn how, check our comprehensive JavaScript + jQuery Design Pattern Framework. What are Design Patterns? Design Patterns are reusable solutions to common programming problems. InetAddress and Factory Design Pattern I was recently working on a project which required me to check if a server is reachable or not. Singleton pattern is needed when you need exactly one object from a specific class in the whole application. We can use it to expose API for integration code and hidden the logic implementation. Idén med Factory Method Pattern är att skapa en slags virituell konstruktor, som är en annan kanske bra synonym till factory method. “Design Patterns in C#” is a free eBook by Jean Paul V. 1 SERIES NAVIGATION In this article, I will write about the Factory Design Pattern in Java, why it is good and how to use it when writing a Java application. The abstract design pattern is very important to design pattern and used in a situation where the user wants to create a family of the object. Factory method design pattern belongs to creational design patterns in Java. Design Patterns | Set 2 (Factory Method) Factory method is a creational design pattern , i. Factory design pattern in Java one of the core design pattern which is used heavily not only in JDK but also in various Open Source framework such as Spring, Struts and Apache along with decorator design pattern in Java. In this tutorial, we will expand the scope of car factory problem discussed in factory pattern. The abstract factory pattern is a creational design pattern. The abstract factory design pattern relies on inheritance, as the object creation is delegated to the sub-classes that implement the abstract factory method to create objects. If you are interested in receiving updates, please subscribe our newsletter. Tutorial explains Gang of Four's Prototype Design Pattern in java with pattern's definition, UML class diagram, scenarios in which Prototype Pattern can be applied, implements real world example use case in Java with code, explains working of Java code. You use the Factory design pattern when you want to define the class of an object at runtime. Drawbacks and Benefits. Blog at WordPress. In Factory Design Pattern, we create a Interface/ Abstract class as a parent class and create their child. Delegation is an abstraction mechanism which centralizes object (method) behaviour. A factory is a java class which encapsulate the object creation. In this article I'll demonstrate a small-but-complete example of the Factory Pattern (also known as the "Factory Design Pattern" and "Factory Method") implemented in Java. Welcome to my Factory design pattern tutorial. Following is the interface, that will be returned as the product from the builder. This pattern involves a single class which is responsible to create an object while making sure that only single object gets created. Introduction. Factory Method pattern is responsible of creating products that belong to one family, while Abstract Factory pattern deals with multiple families of products. Typically the builder pattern is implemented by an class which has several methods to configure the product. Now I need to describe how actually the pattern works. Abstract Factory Pattern is one of the useful design patterns in JAVA. The Factory Method design pattern is used by first defining a separate operation, a factory method, for creating an object, and then using this factory method by calling it to create the object. It also allows you to encapsulate object creation so that you can keep all object creation code in one place. As the name suggest, the idea is to create a factory class which will be responsible for conditionally instantiating one among the several defined object types. Design patterns provide a reusable solution to commonly occurring software problems. Factory design pattern is used for creating an object based on different parameters. • The factory method design pattern defines an interface for creating an object, but lets subclasses decide which class to instantiate. Use the "Service Locator" Design Pattern with the J2EE Architechture This tip is an extension of a Design Pattern called "Service Locator" for the J2EE architecture. Abstract Factory Design Pattern. Another good reference for JavaAnother good reference for Java. Abstract factory pattern is a Super-Factory of a group familiar factories. As we mentioned in the introductory paragraph, a Repository will connect Factories with Gateways (persistence). Abstract factory. The main aim of the Factory pattern is creation instances of classes depending on passed argument. Looking up for a service is one of the core features of service locator. Design Patterns were made popular by the Gang of Four (GoF) – Ralph Johnson, John Vlissides, Richard Helm, and Erich Gamma in their book Design Patterns: Elements of Reusable Object-Oriented Software. Like our factory pattern post, we will use the same super class and sub-classes. The factory pattern (also known as the factory method pattern) is a creational design pattern. In this article I'll demonstrate a small-but-complete example of the Factory Pattern (also known as the "Factory Design Pattern" and "Factory Method") implemented in Java. Decorator Design Pattern. Best practices are called as Design Patterns. factory method design pattern in java introduction to creational design patterns baeldung printable. The Abstract Factory design pattern is one of the twenty-three well-known GoF design patterns that describe how to solve recurring design problems to design flexible and reusable object-oriented software, that is, objects that are easier to implement, change, test, and reuse. Abstract Factory Pattern is one of the useful design patterns in JAVA. Abstract Factory, 2. This video has practical sesssion on factory design pattern. Its a creational design pattern. If you have done some XML work in Java e. People often use Factory Method as the standard way to create objects; but it isn't necessary if: the class that's instantiated never changes, or instantiation takes place in an operation that subclasses can easily override (such as an. The Abstract Factory pattern is pretty common in Java code. The Proxy Design Pattern provides a surrogate or placeholder for another object to control access to it. The boxes represent two design patterns: Factory Method and Abstract Factory. Factory Pattern hay còn được biết tới là Factory Method Pattern. In some cases this leads to the creation of entirely new design patterns whilst in others it can lead to the provision of improved guidelines on how specific. A typical invocation sequence is thus. A factory class contains a method that allows determination of the created type at run-time. Excerpted from Core J2EE Patterns, 2nd Edition. Factory Pattern is one of the Creational Design pattern and it’s widely used in JDK as well as frameworks like Spring and Struts. If you are searching for it, most likely, you'll find references about the GoF patterns: Factory Method and Abstract Factory. A factory is a class that creates objects of the same type (they belong to the same hierarchy). Antipatterns present bad solutions in a manner that makes it easy for concerned persons to understand the underlying problems and their consequences. This part covers the creational design patterns, Singleton, Builder, Prototype, Factory, and AbstractFactory as defined by the Gang of Four. Creational pattern deals with the creation of objects and it hides the complex logic involved in the object creation object from the clients. The box with a single label represents the the Factory Method design pattern. We will understand these three patterns in detail by learning how to implement, when. Abstract Factory Design Pattern is a creational Design pattern. This enables writing of subclasses that decide how a parent object is created and what type of objects the parent contains. java” that shows how the code would be implemented without using this pattern • DependentPizzaStore is dependent on 8 different concrete classes and 1 abstract interface (Pizza). Bu bolumde Abstract Factory Design Pattern‘i inceleyecegiz. Enter the Singleton Design Pattern. Some people call it Factory Method design pattern as well. com is created, written by, and maintained by Yong Mook Kim, aka Mkyong. Gives a start up on design patterns, truth and misconceptions about design patterns. Factory Pattern is a kind of Creation Pattern. – that you can use “off the shelf”, or. One such usage of Factory Design Principle in Frameworks is in the Log4j API. A Factory design pattern also known as the “Factory Method pattern” is a type of Creational design patterns. Welcome to the Factory Design Pattern in Java tutorial. Factory Pattern is one of the Creational Design pattern and it’s widely used in JDK as well as frameworks like Spring and Struts. The factory design pattern is a creational design pattern, which provides one of the best ways to create objects. JVM JVM is an acronym for Java Virtual Machine, it is an abstract machine which provides the runtime environment in which java bytecode can be executed. It comes under the Creational Design Pattern category. In the same time it is the most known factory pattern, maybe because it was published in the GoF. Design Patterns. Java Design Pattern: Abstract Factory Abstract Factory pattern adds another layer of abstraction for Factory pattern. In this pattern, a class simply creates the object you want to use. I'll sum them up here and try to assign as much as possible pattern implementations found in both the Java SE and Java EE API's. Factory pattern is one of the most used design patterns in Java. Design Pattern: Simple Factory and Cheesecake Factory September 10, 2017 1 Comment Sihui Huang read Design patterns in life and Ruby - gain an intuitive understanding of OO design patterns by linking them with real-life examples. Introduction: A Factory Object Pattern comes into picture when having a parent-child class relationship or having an interface based implementation. The main aim of the Factory pattern is creation instances of classes depending on passed argument. Creational design patterns are related to the creation of objects, and Factory Method is a design pattern that creates objects with a common interface. In my blog Implement CGLIB in ABAP I demonstrate how to create dynamical proxy class via CGLIB in Java and ABAP. But they won't see the practical applications of where patterns are used. I want to know the real time examples for all the java (creational,structural and beahvioral patterns) I have examples which i used it for understanding. 1 Factory Design Pattern Super Class. factorymethod; public enum CarType { SMALL, SEDAN, LUXURY }. Any feedback is welcome. So what are the advantages and disadvantages of this technique?. The Factory Method design pattern is used by first defining a separate operation, a factory method, for creating an object, and then using this factory method by calling it to create the object. The box with a single label represents the the Factory Method design pattern. Knowing which design pattern to use in which scenario can be challenging, but will make you a better Java programmer. Let see another example of Abstract Factory and Factory design pattern in Java from JDK itself to get a better understanding. Abstract Factory in Java Abstract Factory is a creational design pattern, which solves the problem of creating entire product families without specifying their concrete classes. Java – Factory Design PatternIntroductionFactory pattern is used in the scenerio where the project contains a super class and ‘n’ number of sub-classes, In which the subclass object is created depending on the data provided. here is the picture representation of Factory Design Pattern In the above flow diagram i have explained how to get the desired object based on the input (bus or train ) user has provided. General Patterns. A Creational design pattern is concerned about the process of object creation in Java from one or more classes. This article is about 4 types of factory patterns: the factory method pattern, the abstract factory pattern, the static factory method, the simple factory (also called factory). A is a Software Developer working on Microsoft Technologies for the past 10 years. In the example I’ve given here, I’ve implemented a factory that creates IWebDriver object based on a specific input. As we mentioned in the introductory paragraph, a Repository will connect Factories with Gateways (persistence). The Factory Design Pattern or Factory Method Design Pattern is one of the most used design patterns in Java. There are several ways to implement the factory pattern, but the following sample code demonstrates the simplest possible way. In this tutorial, we will expand the scope of car factory problem discussed in factory pattern. Introduction. Super class in factory pattern can be an interface or a normal Java class. Welcome to the Factory Design Pattern in Java tutorial. This post is part of design patterns guide series. For example, you have several database storages located in several places. Lets brief this, in real programing world, we need to create different objects with similar functionality. It encapsulates the logic of constructing the different pieces of the product. Decorator Design Pattern. It is also used in other design patterns like Abstract Factory, Facade, Builder, Prototype etc. Full code example in Java with detailed comments and explanation. This DAO layer then communicates with the underlying persistence system or service. Design Patterns. We use an abstract class as the base. You can choose your own criteria and apply it on your objects to filter out the desired objects. The factory should also return always an interface to the calling client. ) First of all, factory design pattern uses factories to hide the complexity of creating objects from the end user and separating low level data accessing API or operations from high level business services. In my blog Implement CGLIB in ABAP I demonstrate how to create dynamical proxy class via CGLIB in Java and ABAP. The example below is about creating human in a factory. This website uses cookies to ensure you get the best experience on our website. Factory pattern in Java is a creation Java design pattern and favorite on many Java interviews. This prevents disturbing the entire system for a new type introduction. Abstract Factory patterns work around a super-factory which creates other factories. If you are searching for it, most likely, you'll find references about the GoF patterns: Factory Method and Abstract Factory. This is a continuation of my design patterns video tutorial. you usually have multiple factory implementations. This pattern involves a single class which is responsible to create an object while making sure that only single object gets created. Abstract factory pattern is yet another creational design pattern and is considered as another layer of abstraction over factory pattern. We focused on what is design pattern and different types of pattern. This is an extension of my previous post regarding the Factory Pattern in Java. / Conference Id : ICA60459. This is an implementation of the Abstract Factory pattern. Factory Pattern - Code ví dụ Factory Pattern bằng Java. Applying the Factory Pattern to RMI What is a "factory" and why would you want to use one? A factory, in this context, is a piece of software that implements one of the "factory" design patterns introduced in the book, Design Patterns, Elements of Reusable Object-Oriented Software. Types of Design. For our Factory Method Pattern in Java, we will begin with a enum type CarType. 1 Factory Design Pattern Super Class. Best practices are called as Design Patterns. Factory Method Pattern in Java : Factory Pattern « Design Pattern « Java. So far we have design the classes need to be designed for making a CarFactory. This post is part of the Design Patterns in Java Series. Factory design pattern follow creational design pattern. An abstract factory is a factory that returns factories. This pattern involves a single class which is responsible to create an object while making sure that only. So depending on the data provided to the factory, it can return an object of one of several possible classes listed in a. Factory Design Pattern. This method of design pattern is also known as virtual constructor. Source of Confusion: Often, one can call a class that used in "Factory Method" pattern as "Factory". Why is this layer of abstraction useful? A normal factory can be used to create sets of related objects. Factory Design Pattern in Java. Cooper Comments Comments are left by visitors to FluffyCat. In the first part of Design Patterns in C#, you will cover the 23 Gang of Four (GoF) design patterns, before moving onto some alternative design patterns, including the Simple Factory Pattern, the Null Object Pattern, and the MVC Pattern. When to use Filter Design Pattern?. Factory Method is a creational pattern. Builder pattern solves the issue with large number of optional parameters and inconsistent state by providing a way to build the object step-by-step and provide a method that will actually. Gumbs Wooden Violin 10 Bottle Floor Wine Rack Gumbs Wooden Violin 10 Bottle Floor Wine Rack Great Products with free Shipping Friday-November-1-2019This Gumbs Wooden Violin 10 Bottle Floor Wine Rack will add a final touch to your dining room or wine caller. Another good reference for JavaAnother good reference for Java. Creational patterns are design patterns that deal with object initialization and overcome the limitations of constructors. An Abstract Factory Pattern is also known as Kit. In my Java Design Patterns Course, I show where each of the patterns is used in the Java Development Kit. Let’s apply the factory method design pattern to color these roses. Factory Pattern hay còn được biết tới là Factory Method Pattern. Design patterns may be viewed as a structured approach to computer programming. Type : Creational Patterns It’s clear from the name that it constructs or creates something (object). Abstract Factory pattern in Java Abstract Factory Pattern Class Definitions. • The factory method design pattern defines an interface for creating an object, but lets subclasses decide which class to instantiate. The factory method pattern is an object-oriented creational design pattern to implement the concept of factories and deals with the problem of creating objects (products) without specifying the exact class of object that will be created. This page lists all the Java Design Patterns. The Proxy design pattern lets you substitute a proxy for an object. In this case, this strategy provides an abstract DAO factory object (Abstract Factory) that can construct various types of concrete DAO factories, each factory supporting a different type of persistent storage implementation. The Singleton Pattern. It seems to me that a simple static factory class is presented in this article. Message Factory and Message Interface Design Pattern Intent. Through the study of them you will dramatically increase your development time and improve code readability. A couple of classes from the java. An abstract factory returns factories. I am little bit confused where we have to use factory and Abstract factory. This reduces the code redundancy in the application. Abstract Factory pattern in Java. Types of Design. I try to explain it in simple terms with focus on application. I have come across numerous cases where a Factory class is coded when a simple constructor would be adequate. The patterns present under the umbrella of Creational Design Patterns basically define: How the Objects will be instantiated. The Factory pattern vogue stems from an almost-dogmatic belief among coders in "C-style" languages (C/C++, C#, Java) that use of the "new" keyword is bad, and should be avoided at all costs (or at least centralized). Singleton pattern is one of the simplest design patterns in Java. A Factory design pattern also known as the "Factory Method pattern" is a type of Creational design patterns. … The advance java programming covers the Swings, Socket Programming, AWT, Thread Concepts as well as the Collection objects and classes. You can find an overview of a lot design patterns in Wikipedia. This pattern involves a single class which is responsible to create an object while making sure that only. It's main purpose is to provide a way to create a related set of concrete objects without knowing about their concrete implementation. Factory Design Pattern with Example in Java Solution_Factory. This article is about 4 types of factory patterns: the factory method pattern, the abstract factory pattern, the static factory method, the simple factory (also called factory). This post is part of design patterns guide series. Selenium PageFactory. In Factory Method pattern, we create object without exposing the creation logic to the client and refer to newly created object using a common in terface. In general, a Factory object has methods that can be used to create a type of objects. In Factory pattern, we create object without exposing the creation logic to client and the client use the same common interface to create new type of object. Factory pattern or Factory method Design Pattern is one of the most used creational design pattern, according to this design pattern you creates an object with exposing the underlying logic to the client and assign new object to caller using a common interface or abstract class, i. The Factory pattern vogue stems from an almost-dogmatic belief among coders in "C-style" languages (C/C++, C#, Java) that use of the "new" keyword is bad, and should be avoided at all costs (or at least centralized). A factory class instantiates and returns a particular type of object based on data passed to the factory. Correct me if I'm wrong. Introduction. Factory Pattern hay còn được biết tới là Factory Method Pattern. So, in future if there are more products or changes to individual product, the impact of the change is localized. 1 SERIES NAVIGATION In this article, I will write about the Factory Design Pattern in Java, why it is good and how to use it when writing a Java application. Is it a natural design pattern to use closures and Session layer design patterns; in javaScript factory pattern i am not g undefined Create pattern of difference of two arrays of obje What are the names of these design patterns and th Sortable Interface for different types of componen Overloading a method with a difference of. A card stamping machine is an Abstract Factory which produces cards. Creational Design Patterns. Abstract Factory pattern in Java. Learn Java by Examples: How to implement Factory Design Pattern in Java ?. That means Abstract Factory lets a class returns a factory of classes. Factory Design Pattern in Java with Example Factory Design Pattern is one of the Creational Design Pattern and it is a solution which will return one of the sub-classes of a super class based on the input we provided, i. It describes how to structure classes to meet a given requirement. In fact, the class that uses the object has absolutely no idea about the exact type of the object created!. The Factory Pattern in Java is one of the most famous Creational Design Pattern, it is also known as Factory Method Pattern. Full code example in Java with detailed comments and explanation. Factory Method Design Pattern What is the Factory Method Pattern? In Java applications, you might be often using the new operator to create an object of a class. Abstract factory uses the concept of inheritance. Like our factory pattern post, we will use the same super class and sub-classes. The interfaces between these processors are often governed by interface documents and standard header files. In this introductory module, you will hear an overview of this course and be introduced to the supporting resources available. Can you tell some examples of Factory Method design pattern implementation in Java? Factory Method pattern is a creational design pattern. So its like saying - If you want to create an object of ClassA, Talk to FactoryObject ( which is an object of FactoryClass ). This book is the compilation of his last 1 year learning effort in Design Patterns. Factory Pattern là gì? Factory Pattern là một mẫu thiết kế tạo dựng (Creation Pattern), nó được sử dụng rộng rãi trong JDK và các Framework như Spring, Struts.