Difference between Dependency Injection and Factory in Spring
Dependency Injection
We learn what is Dependency Injection in last article. Now take a look on Factory In Spring FW.
Factory
Factory and Dependency Injection may look related but we can understand that they are different. If we use a factory Design Pattern the dependent class has the responsibility of creating the instance but
the core of dependency injection is separating that responsibility to
external component.
For Example (Factory):
Class A
{
private B ob; public void Method(){.....;.....; this.ob=MyObjectFactory.get(); ....;....;}//method} //class
In Dependency Injection:
Class A
{
private B ob; public void Method(B ob){....; this.ob=ob; ....;
}//method} //class
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