You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 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);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|