Elucidator

Why ConcurrentHashMap is better than Hashtable and just as good as a HashMap http://www.codercorp.com/blog/java/why-concurrenthashmap-is-better-than-hashtable-and-just-as-good-hashmap.html Why ConcurrentHashMap does not support null values http://anshuiitk.blogspot.com/2010/12/why-concurrenthashmap-does-not-support.html

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http://stackoverflow.com/questions/69913/why-dont-self-closing-script-tags-work http://stackoverflow.com/questions/1582219/adding-script-js-in-html-problem