hello-algo/codes/csharp/chapter_hashing/hash_map.cs
krahets 73dcb4cea9 Reformat the C# codes.
Disable creating new line before open brace.
2023-04-23 03:03:12 +08:00

54 lines
1.6 KiB
C#
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* File: hash_map.cs
* Created Time: 2022-12-23
* Author: haptear (haptear@hotmail.com)
*/
using hello_algo.include;
using NUnit.Framework;
namespace hello_algo.chapter_hashing;
public class hash_map {
[Test]
public void Test() {
/* 初始化哈希表 */
Dictionary<int, string> map = new();
/* 添加操作 */
// 在哈希表中添加键值对 (key, value)
map.Add(12836, "小哈");
map.Add(15937, "小啰");
map.Add(16750, "小算");
map.Add(13276, "小法");
map.Add(10583, "小鸭");
Console.WriteLine("\n添加完成后哈希表为\nKey -> Value");
PrintUtil.PrintHashMap(map);
/* 查询操作 */
// 向哈希表输入键 key ,得到值 value
string name = map[15937];
Console.WriteLine("\n输入学号 15937 ,查询到姓名 " + name);
/* 删除操作 */
// 在哈希表中删除键值对 (key, value)
map.Remove(10583);
Console.WriteLine("\n删除 10583 后,哈希表为\nKey -> Value");
PrintUtil.PrintHashMap(map);
/* 遍历哈希表 */
Console.WriteLine("\n遍历键值对 Key->Value");
foreach (var kv in map) {
Console.WriteLine(kv.Key + " -> " + kv.Value);
}
Console.WriteLine("\n单独遍历键 Key");
foreach (int key in map.Keys) {
Console.WriteLine(key);
}
Console.WriteLine("\n单独遍历值 Value");
foreach (string val in map.Values) {
Console.WriteLine(val);
}
}
}