using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;

namespace?_3._3
{
????class?sampleIndex
????{
????????private?double[]?arr?=?new?double[5]?{?1?2?3?4?5?};
????????public?double?this[int?index]
????????{
????????????get
????????????{
????????????????if?（index?=?5）
????????????????{
????????????????????return?0;
????????????????}
????????????????else
????????????????{
????????????????????return?arr[index];
????????????????}
????????????}
????????????set
????????????{

????????????????if?（index?>=?0?&&?index?<=?5）
????????????????{
????????????????????arr[index]?=?value;
????????????????}
????????????}
????????}
????}
????class?Program
????{
????????static?void?Main（string[]?args）
????????{
????????????sampleIndex?smpIndex?=?new?sampleIndex（）;
????????????smpIndex[3]?=?3.5;
????????????for?（int?i?=?0;?i?????????????{
????????????????Console.WriteLine（“smpIndex[{0}]={1}“?i?smpIndex[

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2429??2015-09-29?09:15??3.3\3.3\3.3.csproj

?????文件???????5632??2015-09-29?09:25??3.3\3.3\bin\Debug\3.3.exe

?????文件??????13824??2015-09-29?09:25??3.3\3.3\bin\Debug\3.3.pdb

?????文件??????11600??2015-09-29?09:25??3.3\3.3\bin\Debug\3.3.vshost.exe

?????文件????????192??2015-09-29?09:25??3.3\3.3\obj\x86\Debug\3.3.csproj.FileListAbsolute.txt

?????文件???????5632??2015-09-29?09:25??3.3\3.3\obj\x86\Debug\3.3.exe

?????文件??????13824??2015-09-29?09:25??3.3\3.3\obj\x86\Debug\3.3.pdb

?????文件???????5833??2015-09-29?09:25??3.3\3.3\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????1078??2015-09-29?09:36??3.3\3.3\Program.cs

?????文件???????1338??2015-09-29?09:15??3.3\3.3\Properties\AssemblyInfo.cs

?????文件????????851??2015-09-29?09:15??3.3\3.3.sln

????..A..H.?????15872??2015-09-29?09:36??3.3\3.3.suo

?????目錄??????????0??2015-09-29?09:15??3.3\3.3\obj\x86\Debug\TempPE

?????目錄??????????0??2015-09-29?09:25??3.3\3.3\obj\x86\Debug

?????目錄??????????0??2015-09-29?09:25??3.3\3.3\bin\Debug

?????目錄??????????0??2015-09-29?09:15??3.3\3.3\bin\Release

?????目錄??????????0??2015-09-29?09:15??3.3\3.3\obj\x86

?????目錄??????????0??2015-09-29?09:15??3.3\3.3\bin

?????目錄??????????0??2015-09-29?09:15??3.3\3.3\obj

?????目錄??????????0??2015-09-29?09:15??3.3\3.3\Properties

?????目錄??????????0??2015-09-29?09:15??3.3\3.3

?????目錄??????????0??2015-09-29?09:15??3.3

-----------?---------??----------?-----??----

????????????????78105????????????????????22