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refactor: add/refactor method in include, simplified print code (#471)

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hpstory
2023-04-21 14:59:22 +08:00
committed by GitHub
parent 9c2e5e2831
commit 9eeefff447
24 changed files with 102 additions and 109 deletions
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18
codes/csharp/chapter_hashing/array_hash_map.cs
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@@ -8,12 +8,12 @@ using NUnit.Framework;
namespace hello_algo.chapter_hashing;
/* 键值对 int->String */
/* 键值对 int->string */
class Entry
{
public int key;
public String val;
public Entry(int key, String val)
public string val;
public Entry(int key, string val)
{
this.key = key;
this.val = val;
@@ -42,7 +42,7 @@ class ArrayHashMap
}
/* 查询操作 */
public String? get(int key)
public string? get(int key)
{
int index = hashFunc(key);
Entry? pair = buckets[index];
@@ -51,7 +51,7 @@ class ArrayHashMap
}
/* 添加操作 */
public void put(int key, String val)
public void put(int key, string val)
{
Entry pair = new Entry(key, val);
int index = hashFunc(key);
@@ -91,9 +91,9 @@ class ArrayHashMap
}
/* 获取所有值 */
public List<String> valueSet()
public List<string> valueSet()
{
List<String> valueSet = new();
List<string> valueSet = new();
foreach (Entry? pair in buckets)
{
if (pair != null)
@@ -133,7 +133,7 @@ public class array_hash_map
/* 查询操作 */
// 向哈希表输入键 key ，得到值 value
String? name = map.get(15937);
string? name = map.get(15937);
Console.WriteLine("\n输入学号 15937 ，查询到姓名 " + name);
/* 删除操作 */
@@ -154,7 +154,7 @@ public class array_hash_map
Console.WriteLine(key);
}
Console.WriteLine("\n单独遍历值 Value");
foreach (String val in map.valueSet())
foreach (string val in map.valueSet())
{
Console.WriteLine(val);
}

10
codes/csharp/chapter_hashing/hash_map.cs
View File

@@ -16,7 +16,7 @@ public class hash_map
public void Test()
{
/* 初始化哈希表 */
Dictionary<int, String> map = new();
Dictionary<int, string> map = new();
/* 添加操作 */
// 在哈希表中添加键值对 (key, value)
@@ -26,18 +26,18 @@ public class hash_map
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);
PrintUtil.PrintHashMap(map);
/* 查询操作 */
// 向哈希表输入键 key ，得到值 value
String name = map[15937];
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);
PrintUtil.PrintHashMap(map);
/* 遍历哈希表 */
Console.WriteLine("\n遍历键值对 Key->Value");
@@ -51,7 +51,7 @@ public class hash_map
Console.WriteLine(key);
}
Console.WriteLine("\n单独遍历值 Value");
foreach (String val in map.Values)
foreach (string val in map.Values)
{
Console.WriteLine(val);
}