Joop Eggen questions

Joop Eggen answers

• How to protect Files.walk from symbolic links recursion?
• BufferedWriter, FileWriter, Output Stream...What's the most modern way to do these things?
• Best way to generate unique Random number in Java
• Java: Nested classes, interfaces Vs Package [closed]
• How to calculate Base64 encoded string length?
• Calling non-static method from static member in Java
• Collection to store primitive ints that allows for faster contains() & ordered iteration
• Unknown UTF-8 code units closing double quotes
• Building general trees in java (with recursion)
• Java's createScreenCapture not working on OS X, produces completely wrong colours