What is the delegating filter proxy?
Delegating filter proxy is a servlet filter registered with the web container that delegates the requests to a Filter...
Hibernate is an ORM framework that implements Java Persistence API (JPA).For Hibernate to work we need 3 things:Hibernate configuration (hibernate.properties or hibernate.cfg.xml)
Mapping...
What is the difference between checked and unchecked exceptions?
Checked exceptions are exceptions that are checked at compile time - that fact enforces the developer...
MVC is an abbreviation for a design pattern. What does it stand for and what is the idea behind it?
MVC stands for Model-View-Controller. The idea...
What is the concept of AOP? Which problem does it solve?Aspect Oriented Programming (alias AOP) is a concept of separating cross-cutting parts of an...
I've been reading Logback documentation today and found an interesting moment about its speed of logging.Assuming we have set a logging level higher than...
There is something interesting about Camel Routes.Usually they are defined in the beginning and assumed to have the same endpoints. But today I had...
Some background...In this series of posts I will give the answers I found for each of the Core Spring 4.2 Study Guide questions (you can...
Servlets are programs that run on Web server (or Application server, which is usually called servelt container) and act as a middle layer between the...
Java Message Service (JMS)
is vendor-agnostic Java API that one can use to integrate heterogeneous systems. This API is implemented by many vendors in their Message-Oriented...