I'm trying to use one of the Apache Commons libraries (Math 3.3) in Java with Eclipse. (JDK 1.7 and Eclipse 3/JDT 3.7) And I can't get away from NoClassDefFoundError ...

Java's a great language to work with, for a lot of reasons. One of the strongest is its ecosystem -- if you need a library to do something, there's a good chance that someone else published a library ...

In a previous Java 101 tutorial, you learned how to better organize your code by declaring reference types (also known as classes and interfaces) as members of other reference types and blocks. I also ...