Author: Arpit Mandliya

CodeProjectProxy design pattern allows you to create a wrapper class over real object.Wrapper class which is proxy,controls access to real object so in turn you can add extra functionalities to real object without changing real object’s code. As described by GoF: “Provide a surrogate or placeholder for another object to control access over it.” Real […]

CodeProjectComposite design patten allows you to have a tree structure and ask each node in the tree structure to perform a task.You can take real life example of a organization.It have general managers and under general managers, there can be managers and  under managers there can be developers.Now you can set a tree structure and […]

CodeProjectReal life example: A very simple example is using phone charger. Suppose your mobile phone needs 9 Volts of supply to get charged but main supply is 220 V which is not what you require but it can be a source and you can have something that can get 9 V out of this 220 […]

As stated by Gof: “Decouple an abstraction from its implementation so that the two can vary independently”.When there are inheritance hierarchies in both interface and implementation then you loose coupling because of interdependence.In other words,Decoupling interface from implementation and hiding implementation detail of abstraction from client is main objectives of bridge design pattern. Also known […]

This is 8 of 8 part of struts 2 tutorial. Tutorial Content: Introduction to struts 2 configuring struts 2 in eclipse Struts 2 hello world example Login page with validation in struts 2 Struts 2 interceptors with example File upload in struts 2 Struts 2 ajax example Struts 2 spring 3 integration example In this […]

Tutorial Content: Spring tutorial for beginners Introduction to spring framework Spring interview questions Dependency injection(ioc) in spring Spring XML based configuration example Spring java based configuaration Dependency injection via setter method in spring Dependency injection via constructor in spring Spring Bean scopes with examples Initializing collections in spring Beans Autowiring in spring Inheritance in Spring […]

Tutorial Content: Spring tutorial for beginners Introduction to spring framework Spring interview questions Dependency injection(ioc) in spring Spring XML based configuration example Spring java based configuaration Dependency injection via setter method in spring Dependency injection via constructor in spring Spring Bean scopes with examples Initializing collections in spring Beans Autowiring in spring Inheritance in Spring […]

In this tutorial, we will see about @Qualifier Annotation in spring. Tutorial Content: Spring tutorial for beginners Introduction to spring framework Spring interview questions Dependency injection(ioc) in spring Spring XML based configuration example Spring java based configuaration Dependency injection via setter method in spring Dependency injection via constructor in spring Spring Bean scopes with examples […]

The @Required annotation in Spring applies to bean property setter methods, as in the following example: Tutorial Content: Spring tutorial for beginners Introduction to spring framework Spring interview questions Dependency injection(ioc) in spring Spring hello world example in eclipse Spring java based configuaration Dependency injection via setter method in spring Dependency injection via constructor in […]