JVM byte code

http://blog.jamesdbloom.com/JVMInternals.html#constant_pool

http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/7-b147/java/lang/String.java#String.%3Cinit%3E%28java.lang.String%29

https://dzone.com/articles/string-memory-internals

http://stackoverflow.com/questions/1281549/memory-leak-traps-in-the-java-standard-api/1281569#1281569

http://stackoverflow.com/questions/5546280/understanding-javaps-output-for-the-constant-pool

http://blog.jamesdbloom.com/JavaCodeToByteCode_PartOne.html

http://stackoverflow.com/questions/11700320/is-string-literal-pool-a-collection-of-references-to-the-string-object-or-a-col/11701016#11701016

http://www.javaranch.com/journal/200409/Journal200409.jsp#a1

http://stackoverflow.com/questions/10209952/what-is-the-purpose-of-the-java-constant-pool

http://stackoverflow.com/questions/23252767/string-pool-vs-constant-pool

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

http://java-performance.info/string-intern-java-6-7-8-multithreaded-access/

http://theopentutorials.com/tutorials/java/strings/string-literal-pool/

http://stackoverflow.com/questions/11700320/is-string-literal-pool-a-collection-of-references-to-the-string-object-or-a-col/11701016#11701016

http://jimlife.wordpress.com/2007/08/10/java-constant-pool-string/

http://rednaxelafx.iteye.com/blog/774673

http://rednaxelafx.iteye.com/blog/1042464

http://rednaxelafx.iteye.com/blog/1969833

http://rednaxelafx.iteye.com/blog/1969861

http://rednaxelafx.iteye.com/blog/729214

http://www.iteye.com/topic/522167