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Update csharp array to unify code style,and create its unit test.

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This commit is contained in:
ming
2022-12-16 15:53:26 +08:00
parent 5c999939f6
commit aa868cfa3d
2 changed files with 82 additions and 47 deletions
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59
codes/csharp/chapter_array_and_linkedlist/Array.cs
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@ -1,14 +1,12 @@
/*
* File: Array.cs
* Created Time: 2022-12-14
* Author: mingXta (1195669834@qq.com)
*/
// File: Array.cs
// Created Time: 2022-12-14
// Author: mingXta (1195669834@qq.com)
namespace hello_algo.chapter_array_and_linkedlist
{
public class Array
{
/* 随机返回一个数组元素 */
//随机返回一个数组元素
public static int RandomAccess(int[] nums)
{
Random random = new();
@ -17,7 +15,7 @@ namespace hello_algo.chapter_array_and_linkedlist
return randomNum;
}
/* 扩展数组长度 */
//扩展数组长度
public static int[] Extend(int[] nums, int enlarge)
{
// 初始化一个扩展长度后的数组
@ -31,7 +29,7 @@ namespace hello_algo.chapter_array_and_linkedlist
return res;
}
/* 在数组的索引 index 处插入元素 num */
//在数组的索引 index 处插入元素 num
public static void Insert(int[] nums, int num, int index)
{
// 把索引 index 以及之后的所有元素向后移动一位
@ -43,7 +41,7 @@ namespace hello_algo.chapter_array_and_linkedlist
nums[index] = num;
}
/* 删除索引 index 处元素 */
//删除索引 index 处元素
public static void Remove(int[] nums, int index)
{
// 把索引 index 之后的所有元素向前移动一位
@ -53,7 +51,7 @@ namespace hello_algo.chapter_array_and_linkedlist
}
}
/* 遍历数组 */
//遍历数组
public static void Traverse(int[] nums)
{
int count = 0;
@ -69,7 +67,7 @@ namespace hello_algo.chapter_array_and_linkedlist
}
}
/* 在数组中查找指定元素 */
//在数组中查找指定元素
public static int Find(int[] nums, int target)
{
for (int i = 0; i < nums.Length; i++)
@ -80,43 +78,10 @@ namespace hello_algo.chapter_array_and_linkedlist
return -1;
}
/*辅助函数,数组转字符串 */
//辅助函数,数组转字符串
public static string ToString(int[] nums)
{
return string.Join(",", nums);
}
/* Driver Code */
public static void Main()
{
/* 初始化数组 */
int[] arr = new int[5];
Console.WriteLine("数组 arr = " + ToString(arr));
int[] nums = { 1, 3, 2, 5, 4 };
Console.WriteLine("数组 nums = " + ToString(nums));
/* 随机访问 */
int randomNum = RandomAccess(nums);
Console.WriteLine("在 nums 中获取随机元素 " + randomNum);
/* 长度扩展 */
nums = Extend(nums, 3);
Console.WriteLine("将数组长度扩展至 8 ，得到 nums = " + ToString(nums));
/* 插入元素 */
Insert(nums, 6, 3);
Console.WriteLine("在索引 3 处插入数字 6 ，得到 nums = " + ToString(nums));
/* 删除元素 */
Remove(nums, 2);
Console.WriteLine("删除索引 2 处的元素，得到 nums = " + ToString(nums));
/* 遍历数组 */
Traverse(nums);
/* 查找元素 */
int index = Find(nums, 3);
Console.WriteLine("在 nums 中查找元素 3 ，得到索引 = " + index);
}
}
}
}