[C#]冒泡排序

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Data_structure_and_algorithm
{
class CArray
{
private int[] arr;
private int upper;
private int numElements;
public CArray(int size)
{
arr =new  int[size];
upper = size - 1;
numElements = 0;
}

public void Insert(int item)
{
arr[numElements] = item;
numElements++;
}
public void DisplayElements()
{
for (int i = 0; i <= upper; i++)
{
Console.Write(arr[i]+" ");
}
Console.WriteLine();
}
public void Clear()
{
for (int i = 0; i <= upper; i++)
{
arr[i] = 0;
numElements = 0;
}
}
public void BubbleSort()
{
int temp;
for (int outer = upper; outer >= 1; outer--)
{
for (int inner = 0; inner <= outer - 1; inner++)
{
if ((int)arr[inner] > arr[inner + 1])
{
temp = arr[inner];
arr[inner] = arr[inner + 1];
arr[inner + 1] = temp;
}
}
this.DisplayElements();
}
}
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Data_structure_and_algorithm
{
class Program
{
static void Main(string[] args)
{
BubbleSort();
}
public static void BubbleSort()
{
CArray nums = new CArray(10);
Random rnd = new Random(100);
for (int i = 0; i < 10; i++)
{
nums.Insert(rnd.Next(0,100));
}
Console.WriteLine("Before sorting:");
nums.DisplayElements();
Console.WriteLine("During sorting:");
nums.BubbleSort();
Console.WriteLine("After sorting:");
nums.DisplayElements();
Console.ReadKey();
}

}
}