52 lines
1.5 KiB
C#
52 lines
1.5 KiB
C#
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/**
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* File: hash_map.cs
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* Created Time: 2022-12-23
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* Author: haptear (haptear@hotmail.com)
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*/
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namespace hello_algo.chapter_hashing;
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public class hash_map {
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[Test]
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public void Test() {
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/* 初始化雜湊表 */
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Dictionary<int, string> map = new() {
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/* 新增操作 */
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// 在雜湊表中新增鍵值對 (key, value)
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{ 12836, "小哈" },
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{ 15937, "小囉" },
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{ 16750, "小算" },
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{ 13276, "小法" },
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{ 10583, "小鴨" }
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};
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Console.WriteLine("\n新增完成後，雜湊表為\nKey -> Value");
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PrintUtil.PrintHashMap(map);
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/* 查詢操作 */
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// 向雜湊表中輸入鍵 key ，得到值 value
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string name = map[15937];
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Console.WriteLine("\n輸入學號 15937 ，查詢到姓名 " + name);
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/* 刪除操作 */
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// 在雜湊表中刪除鍵值對 (key, value)
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map.Remove(10583);
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Console.WriteLine("\n刪除 10583 後，雜湊表為\nKey -> Value");
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PrintUtil.PrintHashMap(map);
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/* 走訪雜湊表 */
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Console.WriteLine("\n走訪鍵值對 Key->Value");
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foreach (var kv in map) {
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Console.WriteLine(kv.Key + " -> " + kv.Value);
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}
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Console.WriteLine("\n單獨走訪鍵 Key");
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foreach (int key in map.Keys) {
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Console.WriteLine(key);
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}
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Console.WriteLine("\n單獨走訪值 Value");
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foreach (string val in map.Values) {
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Console.WriteLine(val);
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}
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}
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}
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