TIP : Vector 와 Iterator, Enumeration
TIP : Iterating HashMap
TIP : Null Check
INFO : Encoding and Character set (or Codepages ...)
INFO : spurious wakeup
INFO : J2SE 5
[PLACEHOLDER : Java Tips Will Continue...]
String concatenation
use string concatenation carefully to avoid performance problems
Enumeration/Iterator
Iterator is fail-safe. Use Enumeration when needed.
Refactor and Re-architect
smell the codes which request refactor
refactor always! prepare re-architect always! but, do not re-architect frequently!