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JAVA集合框架之List接口实现类

上一篇博客《JAVA集合框架之Set接口实现类》中介绍了Set接口的相关实现类，这一篇将介绍List接口的实现类。 java.util.ArrayList< E > ArrayList有点类似于数组，相比较于数组而言，ArrayList可以动态的更改元素个数，相对于数组较为灵活。每个 ...

java 集合框架(List操作)

/*list 基本操作 * * List a=new List(); * 增 * a.add(index,element);按指定位置添加，其余元素依次后移 * addAll(index,Collection);在从指定位置开始添加一系列元素，其余元素依次后移 * 删 * a.remove(inde...

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