J2EE开发全程实录

第1章?正则表达式....11.1?为什么要用正则表达式...11.2?正则表达式入门...31.2.1?正则表达式中元字符的用法...41.2.2?Java中的正则表达式API51.2.3?java.util.regex的使用...61.3?实践正则表达式...8第2章?程序最优化....142.1?空间与时刻...142.1.1?空间与时刻的概念和衡量...142.1.2?空间与时刻的背反...152.1.3?以空间换时刻...152.2?字典、哈希与Map.192.2.1?字典的定义...192.2.2?哈希表与哈希方法...192.2.3?抵触与抵触的管理...202.2.4?Java中的Map接口...202.3?HashMap.212.3.1?使用举例...212.3.2?Map与HashCode.262.4?使用缓存...292.4.1?缓存的概念...292.4.2?LRUMap类...30......
J2EE开发工程实录.doc

(Chapter 1? Regular Expressions....11.1? Why Use Regular Expressions...11.2? Getting Started with Regular Expressions...31.2.1? Usage of Metacharacters in Regular Expressions...41.2.2? Regular Expression API in Java .1? Concept and measurement of space and time... 142.1.2? Contradictions of space and time... 152.1.3? Exchange of space for time... 152.2? Dictionary, hash and Map. 192.2.1? Dictionary Definition... 192.2.2? Hash tables and hash methods... 192.2.3? Conflict and conflict management... 202.2.4? Map interface in Java... 202.3? HashMap.212.3.1 ?Use example...212.3.2?Map and HashCode.262.4?Use cache...292.4.1?The concept of cache...292.4.2?LRUMap class...30...
J2EE Development Project Record.doc)

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