using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace CLIArray

{

/// <summary>

/// Array类的用法

/// </summary>

internal class UseArrayClass

{

public UseArrayClass() {

//声明一个数组

int[] numbers = { 5, 2, 8, 1, 9 };

//排序

Array.Sort(numbers);

PrintArr(numbers);

//反转

Array.Reverse(numbers);

PrintArr(numbers);

//查找5的位置

Console.WriteLine($"5在数组中的位置{Array.IndexOf(numbers,5)}");

//复制数组

int[] copy = new int[numbers.Length + 1];

Array.Copy(numbers, copy, numbers.Length);

PrintArr(copy);

//清空数组

Array.Clear(numbers, 0, numbers.Length);

PrintArr(numbers);

}

private static void PrintArr<T>(T[] arr)

{

Console.WriteLine($"打印数组:{string.Join(",",arr)}");

}

}

}