ArrayList与LinkedList ArrayList查找快，增删慢，内部为数组，连续空间，地址带顺序查找修改快，增加，删除底层为System.copy操作，而copy为循环赋值，末尾添加删除不受影响。LinkedList增删快，查找慢，内部操作no
I rece开发者_StackOverflowntly ran across several objects implemented to handle events with a hard coded mapping using this pattern:
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