mirror of
https://github.com/krahets/hello-algo.git
synced 2024-12-25 12:16:29 +08:00
59 lines
1.6 KiB
Java
59 lines
1.6 KiB
Java
|
||
/**
|
||
* 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);
|
||
}
|
||
}
|
||
}
|