درس پنجم - بخش دوم
روﺷﻲ دﻳﮕﺮ ﺑﺮای ﻣﻘﺪار دھﻲ اوﻟﯿﻪ
ﻧﻜﺎﺗﻲ در ﻣﻮرد ﻛﺪ ﻓﻮق :
١- ﻧﺤﻮه ی اﺳﺘﻔﺎده از ﻋﻤﻠﮕﺮ + را ﺑﺮای اﺗﺼﺎل رﺷﺘﻪ ھﺎی ﺑﻠﻨﺪ در ﻛﺪ ﻓﻮق ﻣﻲ ﺗﻮان دﻳﺪ.
٢- در ﺳﻲ ﺷﺎرپ ﭘﺎﻳﺎن ﺧﻂ ﺳﻤﻲ ﻛﻮﻟﻮن ﻣﻲ ﺑﺎﺷﺪ. ﺑﻨﺎﺑﺮاﻳﻦ ﻧﮕﺮاﻧﻲ در ﻣﻮرد ﭼﻨـﺪ ﺧﻄـﻲ ﺷـﺪن ﻳـﻚ دﺳـﺘﻮر وﺟﻮد ﻧﺪارد.
٣- ھﻨﮕﺎﻣﻲ ﻛﻪ آراﻳﻪ ای را ﺑﺎ ﻣﻘﺎدﻳﺮ درون آﻛﻮﻻدھﺎ ، ﻣﻘﺪار دھﻲ اوﻟﯿﻪ ﻣﻲ ﻛﻨﯿﺪ ﻟﺰوﻣﻲ ﻧﺪارد ﻃﻮل آن آراﻳـﻪ را ﻣﺸﺨﺺ ﻛﻨﯿﺪ ؛ ﻣﺎﻧﻨﺪ آراﻳﻪ sGoalResponse در ﺑـﺎﻻ. در ﻏﯿـﺮ اﻳﻨـﺼﻮرت ﺣﺘﻤـﺎ ﺑﺎﻳـﺪ ﻃـﻮل ﻳـﻚ آراﻳـﻪ را ﻛـﻪ
ﻣﻌﺮف ﺗﻌﺪاد ﺧﺎﻧﻪ ھﺎی ﺧﺎﻟﻲ آن اﺳﺖ ، ﻣﻌﺮﻓﻲ ﻛﻨﯿﺪ ﻣﺎﻧﻨﺪ آراﻳﻪ . sGoalList
۴- ﻓﻌﻼ ﺣﻠﻘﻪ ی forرا در اﻳﻦ ﻣﺜﺎل ﺑﺨﺎﻃﺮ داﺷﺘﻪ ﺑﺎﺷﯿﺪ ﺗﺎ در ﻣﻘﺎﻟﻪ ی ﺑﻌﺪی راﺟﻊ ﺑﻪ آن ﺻﺤﺒﺖ ﻛﻨﯿﻢ.
strData[۰] = "۱۲۳۴";
strData[۱] = "abcd";
ﺑﮕﺬارﻳﺪ. در اﻳﻦ ﻣﺜﺎل ﻣﻲ ﺧﻮاھﯿﻢex۰۶ ﺳﻲ ﺷﺎرپ را ﺑﺎز ﻛﻨﯿﺪ و ﻧﺎم آﻧﺮا در اﺑﺘﺪاConsole ﻣﺜﺎل : ﻳﻚ ﭘﺮوژه ی ﺟﺪﻳﺪ
: ﻧﺤﻮه ی ﻛﺎر ﺑﺎ آراﻳﻪ ھﺎ را ﻣﺮور ﻛﻨﯿﻢ
using System;
namespace ex۰۶
{
class Class۱
{
[STAThread]
static void Main(string[] args)
{
string[] sGoalList = new string[۳];
string sReplyStatement = "You have choosen Goal '";
// Store goals in the array
sGoalList[۰] = "Hike the Appalachian Trail";
sGoalList[۱] = "Run the marathon";
sGoalList[۲] = "Give $۱ million to worthwhile causes";
// Store response to goals in the array
//(declaring and initializing on same line)
string[] sGoalResponse = {
"If you are staring from GA, you should get "
+ "started in early spring, so you will "+
"not get caught in snow.",
"Make sure that you have a good pair of shoes.",
"Start saving as soon as possible."};
// Give the user a list of goals to choose from
Console.WriteLine("GOAL LIST");
for(int i = ۰; i < sGoalList.Length; i++)
{
Console.WriteLine("Goal " + i +
" - " + sGoalList[i]);
}
.// Request the user to choose a goal
Console.WriteLine (""); // Write an empty line for space
" Console.Write("Please choose the number of the
;(" :[۲,۱,۰] + "goal that you want to achieve
;()Console.ReadLine
{
{
{
namespace ex۰۶
{
class Class۱
{
[STAThread]
static void Main(string[] args)
{
string[] sGoalList = new string[۳];
string sReplyStatement = "You have choosen Goal '";
// Store goals in the array
sGoalList[۰] = "Hike the Appalachian Trail";
sGoalList[۱] = "Run the marathon";
sGoalList[۲] = "Give $۱ million to worthwhile causes";
// Store response to goals in the array
//(declaring and initializing on same line)
string[] sGoalResponse = {
"If you are staring from GA, you should get "
+ "started in early spring, so you will "+
"not get caught in snow.",
"Make sure that you have a good pair of shoes.",
"Start saving as soon as possible."};
// Give the user a list of goals to choose from
Console.WriteLine("GOAL LIST");
for(int i = ۰; i < sGoalList.Length; i++)
{
Console.WriteLine("Goal " + i +
" - " + sGoalList[i]);
}
.// Request the user to choose a goal
Console.WriteLine (""); // Write an empty line for space
" Console.Write("Please choose the number of the
;(" :[۲,۱,۰] + "goal that you want to achieve
;()Console.ReadLine
{
{
{
ﻧﻜﺎﺗﻲ در ﻣﻮرد ﻛﺪ ﻓﻮق :
١- ﻧﺤﻮه ی اﺳﺘﻔﺎده از ﻋﻤﻠﮕﺮ + را ﺑﺮای اﺗﺼﺎل رﺷﺘﻪ ھﺎی ﺑﻠﻨﺪ در ﻛﺪ ﻓﻮق ﻣﻲ ﺗﻮان دﻳﺪ.
٢- در ﺳﻲ ﺷﺎرپ ﭘﺎﻳﺎن ﺧﻂ ﺳﻤﻲ ﻛﻮﻟﻮن ﻣﻲ ﺑﺎﺷﺪ. ﺑﻨﺎﺑﺮاﻳﻦ ﻧﮕﺮاﻧﻲ در ﻣﻮرد ﭼﻨـﺪ ﺧﻄـﻲ ﺷـﺪن ﻳـﻚ دﺳـﺘﻮر وﺟﻮد ﻧﺪارد.
٣- ھﻨﮕﺎﻣﻲ ﻛﻪ آراﻳﻪ ای را ﺑﺎ ﻣﻘﺎدﻳﺮ درون آﻛﻮﻻدھﺎ ، ﻣﻘﺪار دھﻲ اوﻟﯿﻪ ﻣﻲ ﻛﻨﯿﺪ ﻟﺰوﻣﻲ ﻧﺪارد ﻃﻮل آن آراﻳـﻪ را ﻣﺸﺨﺺ ﻛﻨﯿﺪ ؛ ﻣﺎﻧﻨﺪ آراﻳﻪ sGoalResponse در ﺑـﺎﻻ. در ﻏﯿـﺮ اﻳﻨـﺼﻮرت ﺣﺘﻤـﺎ ﺑﺎﻳـﺪ ﻃـﻮل ﻳـﻚ آراﻳـﻪ را ﻛـﻪ
ﻣﻌﺮف ﺗﻌﺪاد ﺧﺎﻧﻪ ھﺎی ﺧﺎﻟﻲ آن اﺳﺖ ، ﻣﻌﺮﻓﻲ ﻛﻨﯿﺪ ﻣﺎﻧﻨﺪ آراﻳﻪ . sGoalList
۴- ﻓﻌﻼ ﺣﻠﻘﻪ ی forرا در اﻳﻦ ﻣﺜﺎل ﺑﺨﺎﻃﺮ داﺷﺘﻪ ﺑﺎﺷﯿﺪ ﺗﺎ در ﻣﻘﺎﻟﻪ ی ﺑﻌﺪی راﺟﻊ ﺑﻪ آن ﺻﺤﺒﺖ ﻛﻨﯿﻢ.
+ نوشته شده در چهارشنبه دوازدهم بهمن ۱۳۹۰ ساعت 0:47 توسط محسن زاده
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