Design patterns interview questions
Design patterns interview questions1
A pattern is a proven (and recurring) solution to a problem in a context. Each pattern describes a problem which occurs over and over again in our environment, and describes its solution to this problem in such a way that we can use this solution a lots of times.
Design patterns interview questions2
Provides a solution for pre-processing and post-processing a request. It allows us to declaratively apply filters for intercepting requests and responses. For ex. Servlet filters.
Design patterns interview questions3
This pattern hides the complexity of business components and centralizes the workflow. It provides course-grained interfaces to the clients which reduces the remote method overhead. This pattern fits well with declarative transactions and security management.