This articles covers some questions and answers you may want to know about java classpath. These questions are not very common in interviews, however I find them interesting. Some people use them for screening developers fundamental understanding of java.
Beginners learning java may find this article a little more useful, however I have tried to cover questions of various complexity including simple to very difficult ones like custom class loading and hacks related to java classpath.
The classpath is the location where the Java Virtual Machine search for user-defined classes, packages and resources in any Java program. Below is a list of some java interview questions on CLASSPATH that may give you an edge over others in your next Java interview.