Hesey questions

• What's the value of currying in Functional Programming?
• Where is MyBatis's Javadoc?
• What's the difference between fun and fun() in Scala?
• Must I get Length of List first and then query List in Redis?
• What's the difference between Thread.yield() and Thread.sleep(0) in Java? [duplicate]
• Why default buffer size is 8k in Java IO?
• If I type Ctrl-C on the command line, will the finally block in Java still execute?
• Do I need volatile for variables of reference types, too?
• What's the difference between Future and FutureTask in Java?
• What's the difference between :: and ::: in Scala

Hesey answers