标签：
http://www.programcreek.com/2013/09/the-substring-method-in-jdk-6-and-jdk-7/
http://www.programcreek.com/2013/09/string-is-passed-by-reference-in-java/
http://www.programcreek.com/2013/09/top-10-faqs-of-java-strings/
http://www.programcreek.com/2013/04/jvm-run-time-data-areas/
http://www.programcreek.com/2013/04/what-does-a-java-array-look-like-in-memory/
http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-2.html#jvms-2.5
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原文地址：http://my.oschina.net/u/573270/blog/513694
