java-string.adoc

String.intern()

• http://java-performance.info/string-intern-in-java-6-7-8/

  • JDK6 : Perm 영역. OOM 위험

  • JDK7이후 : Heap으로. GC됨.

• http://stackoverflow.com/questions/348985/deadlock-on-synchronized-string-intern

  • String.intern() is a native method