What is stateful and stateless bean in spring?

Stateful Session bean is a business object that represents business logic like stateless session bean. But, it maintains state (data). In other words, conversational state between multiple method calls is maintained by the container in stateful session bean.

What are stateful beans?

A stateful session bean is a session bean that maintains conversational state. Stateful session beans are useful for conversational sessions, in which it is necessary to maintain state, such as instance variable values or transactional state, between method invocations.

What is stateless bean?

A stateless session bean is a type of enterprise bean, which is normally used to perform independent operations. A stateless session bean as per its name does not have any associated client state, but it may preserve its instance state.

Is Spring rest stateful or stateless?

stateless
Rest web service is stateless.

Is singleton stateless or stateful?

A stateless singleton is pretty much a collection of static methods; it’s no different from a static util class, and it doesn’t really matter how many instances there are: 0, 1, 2 or infinity. Therefore singletons are usually stateful.

What is stateless and stateful example?

Stateful expects a response and if no answer is received, the request is resent. In stateless, the client sends a request to a server, which the server responds to based on the state of the request. This makes the design heavy and complex since data needs to be stored.

What is difference between singleton and prototype bean?

Singleton: Only one instance will be created for a single bean definition per Spring IoC container and the same object will be shared for each request made for that bean. Prototype: A new instance will be created for a single bean definition every time a request is made for that bean.

What is the difference between stateful and stateless applications?

Stateful services keep track of sessions or transactions and react differently to the same inputs based on that history. Stateless services rely on clients to maintain sessions and center around operations that manipulate resources, rather than the state.

What is difference between stateless and stateful applications?

Is MySQL stateful or stateless?

All databases, such as MySQL, Oracle, and PostgreSQL, are examples of stateful applications. Stateless applications, on the other hand, do not keep the data. Node. js and Nginx are examples of stateless applications.