http://www.gamlor.info/wordpress/2011/09/visualvm/

https://visualvm.java.net/zh_CN/gettingstarted.html?Java_VisualVM

http://docs.oracle.com/javase/7/docs/technotes/guides/jpda/index.html

http://www.tutorialspoint.com/jdb/

http://www.javaworld.com/article/2077445/testing-debugging/debug-with-jdb.html

https://docs.oracle.com/javase/8/docs/technotes/tools/unix/jdb.html

https://visualvm.java.net/download.html

http://www.ibm.com/developerworks/library/j-kato/

https://visualvm.java.net/

https://visualvm.java.net/gettingstarted.html

https://docs.oracle.com/javase/8/docs/technotes/guides/visualvm/intro.html

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