When to use Spring prototype spacebar?

Question

I want to know when should I use scope prototypein Spring? I realized that it singletonreturns the same instance of the object if a bean is requested.

Then why should we consider prototype?

Explanations with examples will help many understand the need for it.

Answer 1

To be clear, simple definitions:

• Prototype Area = A new object is created each time it is entered / viewed. He will use a new SomeBean()one every time.

• Singleton scope = , /. SomeBean, .

bean . , statefull beans, beans. bean .

:

(DAO) , DAO ; ​​ .

Answer 2

. prototype, / , .

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Answer 3

, bean- Foo :

Foo foo = new Foo(dependency1, dependency2, ...);
foo.initialize(dependency7, dependency8...);

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, , EJB2 Java Entity Bean, ,

Person p = ...
p.setName("John Doe");
p.save(); // write to DB

JPA

Person p = new Person();
p.setName("John Doe");
personService.save(p); // write to DB

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