String vs StringBuilder vs StringBuffer

결론

* StringBuilder 는 사용할 필요가 없다.

* Thread Safe 가 필요하면 StringBuffer, 그렇지 않으면 String

	String	StringBuffer
저장공간 (Storage Area)	CSP (Constant String Pool)	힙 (Heap)
성능 (Performance)	빠름 (Fast)	느림 (Slow)
Thread Safe	No	Yes

Why (작성중)

* StringBuilder 는 사용할 필요가 없다.

작성중

* Thread Safe 가 필요하면 StringBuffer, 그렇지 않으면 String

작성중

출처

1. GrepCode

 * http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/String.java

 * http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/AbstractStringBuilder.java

 * http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/StringBuilder.java

 * http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/lang/StringBuffer.java

2. Articles & Blogs

 * http://javahungry.blogspot.com/2013/06/difference-between-string-stringbuilder.html

 * https://slipp.net/questions/271

 * http://namocom.tistory.com/360