refers to where in the end the classpath

In the middle is the maven project resource, directly on the map, as follows:

classpath*:spring/webContext.xml

classpath:logback.xml

In the middle is not a maven project is WEN_INF / classes

classpath：和classpath*：

classpath, and classpath * difference: 
classpath: only to find your class path to find the file; 
classpath *: includes not only the class path, also includes a jar file (class path) to find it. 

Visible detailed explanation of the link: https: //blog.csdn.net/u011095110/article/details/76152952