what is difference between kind=“con” and kind=“src ” in buildpath reference

问题

I have a classpath in my project there is two reference kind one is src one is con. con kind referenced jars is missing in my project. What is difference between these two reference kind and.

Here my .classpath file

1 <?xml version="1.0" encoding="UTF-8"?>
2 <classpath>
3   <classpathentry kind="src" path="src"/>
4   <classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
5   <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
6   ....
7 </classpath>

回答1:

con is a container such as the JRE files or the required plug-ins list. src is a source files folder path. There is also output for the output binaries and a some others for required projects, variables and libraries.

来源：https://stackoverflow.com/questions/20692412/what-is-difference-between-kind-con-and-kind-src-in-buildpath-reference