java Programming Glossary: pathnames

What does “Could not find or load main class” mean?

http://stackoverflow.com/questions/18093928/what-does-could-not-find-or-load-main-class-mean

and JAR file names are correct. If there are relative pathnames in the classpath check that they resolve correctly ... from..

Java can't find file when running through Eclipse

http://stackoverflow.com/questions/2792870/java-cant-find-file-when-running-through-eclipse

is using a relative pathname. As @BalusC says relative pathnames can be problematic. But IMO he goes way too far when he says.. for example the FileInputStream File constructor relative pathnames are resolved relative to the current directory in a process.. should you do about this One option is to use absolute pathnames to refer to files. This is reliable in almost all cases but..

Is it possible to “add” to classpath dynamically in java?

http://stackoverflow.com/questions/402330/is-it-possible-to-add-to-classpath-dynamically-in-java

fancy footwork can extend it to support using wildcarded pathnames to pick up entire directories of JARs this code has some references..