//http://java.sun.com/developer/technicalArticles/J2SE/jconsole.html //http://www.javamex.com/classmexer //source 비공개, agent 방식으로 동작 //http://www.vogella.de/articles/JavaPerformance/article.html#runtimeinfo_memory //http://www.javapractices.com/topic/TopicAction.do?Id=83 /* 1.Runtime의 gc()는 API document의 다음 문장을 보면 The method System.gc() is the conventional and convenient means of invoking this m..