Student questions

• What happens to Java object reference variable types after compilation?
• ReentrantLock.lock() doesn't block other threads
• Is it ok to modify part of prevState inside setState?
• immediate vs deferred evaluation for reading bean properties
• What is the relationship between BMT/CMT and an application/container-managed EntityManager?
• Java : Why can't I declare an array as a simple Object?
• Why do we need targetNamespace?
• How to navigate in JSF? How to make URL reflect current page (and not previous one)

Student answers