IOC,Dependency Injection,IOC Container,Coupling. Spring-Ep:1 #springframework #learnjava #bengali

Hi, Hope you are all doing great. Let's learn together. Timeline Coupling ---- 00:30 Tight Coupling ---- 01:07 Loose Coupling ---- 07:11 IOC (Inversion Of Control) ---- 17:25 Dependency Injection ---- 18:48 IOC Container ---- 21:37 What is framework ---- 23:22 First Spring Program ---- 24:03 Note: Spring is a lightweight framework. It was developed by Rod Johnson in 2003. Spring framework makes the easy development of the JavaEE application. Video Links -- Core Java Playlist - https://www.youtube.com/playlist?list=PL0LQjbMWLlS3AVp2LglGSvfV6ieUSsNMp Document Link - https://docs.google.com/document/d/1Og0goRhqQOeHkkA_BNCJ4MGj7DBZA7YBbEHX-D28CYY/edit?usp=sharing Like, Comment, Share, Subscribe. Thank you again. STS Link: https://spring.io/tools JDK Link: https://www.oracle.com/java/technologies/downloads/ To download spring jars https://repo.spring.io/ui/native/release/org/springframework/spring Coupling in Java A situation where an object can be used by another object is termed coupling. It is the process of collaborating together and working for each other. It simply means that one object requires another object to complete its assigned task. Tight coupling It is when a group of classes are highly dependent on one another. The situation where an object creates another object for its usage is termed a Tight Coupling. Loose Coupling When an object gets the object to be used from external sources, we call it loose coupling. In other words, loose coupling means that the objects are independent. IOC(Inversion Of Controle) IoC is a design principle that recommends the inversion of different kinds of controls in object-oriented design to achieve loose coupling between application classes. (Design principles provide high-level guidelines to design better software applications. They do not provide implementation guidelines and are not bound to any programming language.) Dependency Injection Dependency Injection (DI) is a design pattern that implements the IoC principle to invert the creation of dependent objects. (Design Pattern provides low-level solutions related to implementation, of commonly occurring object-oriented problems.) IoC Container The IoC container is a framework used to manage automatic dependency injection throughout the application so that we as programmers do not need to put more time and effort into it. What is a framework? In programming, a framework is a tool that provides ready-made components or solutions that are customized in order to speed up development. Frameworks are typically associated with a specific programming language. Spring, Struts, Struts2, and Hibernate are associated with Java programming language.

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