Jar package

1. Introduce some jar After the package , Sometimes you may not see the source code , Because this is a different package

 

jar It's just a bunch of .class file , Package compiled from source code , Can run directly

 

java doc It is in this source file doc Documentation Comments , Including field , Methods and other comments

sources Is the source code package

 

In addition to Maven Each in the local warehouse Jar Each package corresponds to a sha1 file ,spring-boot-1.5.3.RELEASE-sources.jar.sha1 yes spring-boot-1.5.3.RELEASE-sources.jar Check file for .

spring-boot-1.5.3.RELEASE.pom This file is the management description file .

 

 

 

The timestamp can be converted into date type only after it is converted into milliseconds So it's defined as int useless stay *1000 It will mess up when To be converted into long Type of

author ： Lingyejun

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