Justin Wong questions

• Splitting lines into fields in Emacs
• next-buffer skipping buffers when window is split in emacs
• Renaming implemented methods for Observer pattern in Java
• Best practice for testing return value of indexOf
• Design using composition and interfaces in Java
• Programmatically disabling shutdown hook in log4j 2
• Configuring log4j2 and log4j using a single log4j2 xml file
• Java regex: Repeating capturing groups

Justin Wong answers