C#语法学习一(Array,ArrayList)

Code
//在另一个类中对数组进行操作
using System;
class SetArray
{
    public void PrintArr(int ArrLength)
    {
        int[] arr=new int[ArrLength];
        for (int i=0;i<arr.Length;i++)
            arr[i]=i;
        Console.WriteLine("Print Array's value");
        for (int i=0;i<arr.Length;i++)
            Console.WriteLine("arr[{0}]={1}",i,arr[i]);
    }
}
class Test
{
    //Main()程序的入口方法
    static void Main()
    {
        int i=1;
        SetArray arr=new SetArray();
        while (i>0)
        {
            Console.WriteLine("Please enter the array's Length:");
            i=Int32.Parse(Console.ReadLine());
            arr.PrintArr(i);
        }
    }
}

Code
//ArrayList动态数组
using System;
using System.Collections;
class Athrun
{
    static void Main()
    {
        ArrayList arr=new ArrayList();
        string str1;
        while(true)
        {
            Console.WriteLine("Please add a string to ArrayList:");
            str1=Console.ReadLine();
            if(str1=="end")
                break;
            arr.Add(str1);
            Console.WriteLine();
            for (int i=0;i<arr.Count;i++)
                Console.Write("{0} ",arr[i]);
            Console.WriteLine("\n");
        }
    }
}

Code
//下面的例子是打印一个一维数据矩阵
using System;
using System.Collections;
class Matrix
{
    static void Main()
    {
        int[,] arr=new int[4,6];
        for(int i=0;i<4;i++)
        {
            for(int j=0;j<6;j++)
            {
                arr[i,j]=(i+1)*10+j+1;
            }
        }
        for (int i=0;i<4;i++)
        {
            for(int j=0;j<6;j++)
            {
                Console.Write("{0}    ",arr[i,j]);
            }
            Console.WriteLine();
        }
    }
}