importing client of a library by adding new stuff to the library public API. The OP doesn't seem to understand that 'import' in java is merely a name mapping - you can always use the fully ...

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 23, now generally available, includes previews of module import declarations, stream gatherers, structured concurrency, scoped values, and a class-file API. And much more. Java Development ...