basic-knowledge-of-message-driven-bean What is the message Loose coupling of asynchronous communication processes 1. Message-oriented middleware (MOM): The sender of the message is called the producer; the location where the message is stored is called the destination; the component that accepts the […]
basic-knowledge-of-session-bean What is a session For a limited period of time, the connection between the client and the server Why use session bean Because most of the EJB services are dedicated to the session bean 1. Concurrency and thread […]
basic-knowledge-of-ejb What is EJB Portable, reusable, scalable applications platform Why choose EJB 1. Easy to use, by the EJB container to provide a lot of services, developers only need to focus on the business code 2. Integrated solution suite, provided […]
basic knowledge of selenium What is selenium Selenium is an automated testing tool Is a set of different tools It supports testing on multiple browser platforms Why need Selenium 1. Make the manual test into automation 2. Easier to […]