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集合 (Map (HashMap (底层实现 (Map.Entry来表示存储在哈希表中的键值对,单向链表结构 (K key, V value,…
集合
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Collections工具类
排序
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static void sort(List list, Comparator c)
static void swap(List list, int i, int j)
查找、替换
static int binarySearch(LIst list, Object key)
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static Obeject min(Collection coll, Comparator comp)
static void fill(List list, Object o)
static int frequency(Collection c, Object o)
static int indexOfSubList(List src, List target)
static int lastIndexOfSubList(List src, List target)
static boolean replaceAll(List list, Object oldVal, Object newVal)
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