Spring Historical background

Spring 1.2004 appears as the first version spring frameworl1.0

2. Writing code is always the simplest, the follow-up operation and maintenance work is to make people feel helpless

3.spring Boot has done a lot of work, deployment, monitoring, and measurement in operation and maintenance. The combination of Spring cloud also enables service discovery, service degradation, and other functions.

4.spring Boot External configuration

5. What does spring appear to do with heavy-weight ejbs? I don't need it anymore.

6.spring 3.1 begins with a series of annotations at the beginning of the @enable that can replace XML.

This will write the spring application of any XML document,

4.spring 4.0 provides better support for conditional configuration, depending on the environment or classpath, deciding which embryos to use at run time, and which configurations to ignore.

No longer need to be specified by a write script at build time. I used to put the selected configuration in the deployment package, and now it's OK.

The 8.spring boot enables automatic configuration, allowing spring boot intelligence to guess what application is being built and automatically configures the necessary components to meet the application.

9.spring boot start-up relies on starter dependency

10. Use groovy to develop spring applications, Spring boot CLI, no need to write public or private access modifiers, no longer need to write a semicolon or return, even import does not need to write

11.spring Boot of Actuator

Spring Historical background