Compiling and running this with Java 21 and org.eclipse.jdt.core 3.39.0.v20240807-163 produces !abc Compiling and running the same class on Java 21 and org.eclipse.jdt.core 3.40.0.v20241118-1641 ...

Parsing, generating, querying and computing Excel files are common tasks Java often handles. As Excel has complicated file format, it is hard to read /write Excel files by writing your own code. But ...

Abstract: Exception handling is a feature provided by most mainstream programming languages, and typically involves constructs to throw and handle error signals. On ...

Abstract: Exception handling is a vital but often poorly tested part of a program. Static analysis can spot bugs on exceptional paths without actually making the exceptions happen. However, the ...

Jeff Friesen’s Beginning Java SE 6 Platform: From Novice to Professional is out now from Apress. In this article Jeff introduces you to his new book by presenting excerpts from its chapter on the Java ...

Do you ever get the feeling there’s something not quite right about Swing threading? John Zukowski puts his finger on it in this article. While tracing Swing’s single-threaded event model from Java ...

Thanks for the reply! I thought about that approach, but am on the fence about it (it just doesn't seem like a clean way to go, for whatever reason). My feeling is that there must be code in the JDK ...