eclipse install/setting plugin eclipse gradle integration install gradel eclipse integration from eclipse marketplace
https://github.com/spring-projects/eclipse-integration-gradle/
config gradle heap space Preference>Gradle>Arguments>JVM Arguments
-Xms256m -Xmx512m
http://stackoverflow.com/questions/12585506/eclipse-gradle-sts-extension-could-not-reserve-enough-space-for-object-heap
git: EGit groovy plugin groovy plugin:http://groovy.codehaus.org/Eclipse+Plugin
subclipse https://github.com/subclipse/subclipse/wiki
latest: https://dl.bintray.com/subclipse/releases/subclipse/latest/
config window>Preference
class can not be resolved https://crunchify.com/mavenmvn-clean-install-update-project-and-project-clean-options-in-eclipse-ide-to-fix-any-dependency-issue/
error, no test found with test runner junit 5 https://stackoverflow.com/questions/46717693/eclipse-no-tests-found-using-junit-5-caused-by-noclassdeffounderror-for-launcher
test config > junit 4 runner
class.getName http://bbs.csdn.net/topics/70162498 java.lang.Object java.lang.Class String getName() Returns the name of the entity (class, interface, array class, primitive type, or void) represented by this Class object, as a String. java的类映射函数..用来得到类的具体名字 比如说1个类mypackage.MyCl