锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久久综合九色合综国产,久久久久久免费视频,热re99久久精品国99热http://www.shnenglu.com/harry-li/category/1530.htmlYou can call me Harry!zh-cnMon, 19 May 2008 20:30:14 GMTMon, 19 May 2008 20:30:14 GMT60灝忚鍙ヤ腑鐨勫ぇ閬撶悊1http://www.shnenglu.com/harry-li/archive/2006/04/24/6209.htmlHarryHarryMon, 24 Apr 2006 14:39:00 GMThttp://www.shnenglu.com/harry-li/archive/2006/04/24/6209.htmlhttp://www.shnenglu.com/harry-li/comments/6209.htmlhttp://www.shnenglu.com/harry-li/archive/2006/04/24/6209.html#Feedback0http://www.shnenglu.com/harry-li/comments/commentRss/6209.htmlhttp://www.shnenglu.com/harry-li/services/trackbacks/6209.htmlFatherClass* fc = new聽聽SonClass();

鍦ㄤ笂闈㈣繖鏉¤鍙ヤ腑錛孲onClass鏄疐atherClass鐨勫瓙綾匯?br />
榪欐潯璇彞琛ㄨ揪浜嗕粈涔堬紵

1銆傚姩鎬佸垱寤轟簡涓涓猄onClass綾葷殑瀵硅薄銆?br />2銆傚0鏄庝簡涓涓狥atherClass綾葷殑鎸囬拡銆?br />3銆傛妸FatherClass鐨勬寚閽堟寚鍚戜簡SonClass綾葷殑榪欎釜瀵硅薄錛屾垨鑰呰錛屾妸SonClass綾葷殑榪欎釜瀵硅薄鐨勫湴鍧璧嬬粰浜咶atherClass鐨勬寚閽堛?br />
C++鐨勫鎬侊紙polymorphism錛夌壒鎬ч氳繃榪欐潯璇彞寰椾互浣撶幇錛屸滆鍩虹被鐨刾ointer 鎴杛eference寰椾互鍗佸垎閫忔槑鍦版寚鍚戝叾浠諱綍涓涓淳鐢熺被鐨勫璞★紙Essential C++涓枃鐗堬級鈥濄?br />
嬈㈣繋澶у璁ㄨ錛?br />


Harry 2006-04-24 22:39 鍙戣〃璇勮
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鍏充簬璧勬簮鍜屾搷浣滅閲嶈澆鐤戦棶http://www.shnenglu.com/harry-li/archive/2006/04/21/6055.htmlHarryHarryFri, 21 Apr 2006 14:41:00 GMThttp://www.shnenglu.com/harry-li/archive/2006/04/21/6055.htmlhttp://www.shnenglu.com/harry-li/comments/6055.htmlhttp://www.shnenglu.com/harry-li/archive/2006/04/21/6055.html#Feedback3http://www.shnenglu.com/harry-li/comments/commentRss/6055.htmlhttp://www.shnenglu.com/harry-li/services/trackbacks/6055.html鎴戝畾涔変簡涓涓被錛屽畾涔夊涓嬶細

class 聽SimpleClass
{
聽聽
public :
聽聽聽聽SimpleClass(
int 聽value = 0 );
聽聽聽聽SimpleClass
& operator + ( const 聽SimpleClass & 聽right)聽 const ;
聽聽聽聽
void operator = ( const 聽Simple & 聽right);

聽聽聽聽
int 聽m_iValue;
}


SimpleClass
& 聽SimpleClass:: operator + ( const 聽SimpleClass & 聽right) const
{
聽聽SimpleClass
* 聽scPlusResult = new 聽SimpleClass();
聽聽scPlusResult
-> m_iValue = m_iValue + right.m_iValue;

聽聽
return * scPlusResult;聽
}


void 聽SimpleClass:: operator = ( const 聽SimpleClass & 聽right)
{
聽聽m_iValue
= right.m_iValue;
}


int 聽mian()
{
聽聽SimpleClass聽sc1
= new 聽SimpleClass( 1 );
聽聽SimpleClass聽sc2
= new 聽SimpleClass( 2 );
聽聽SimpleClass聽sc3
= new 聽SimpleClass();

聽聽sc3
= sc1 + sc2;

聽聽delete聽sc1;
聽聽delete聽sc2;
聽聽delete聽sc3;

聽聽
return 0 ;
}



///////////////////////////////////////////////////////////////////////////

鎻愰棶錛?br />1銆傜鍙?鐨勯噸杞介噷scPlusResult鐨勮祫婧愬湪鏈鍚庨噴鏀炬帀浜嗗悧錛熷鏋滄病鏈夛紝瑕佹庝箞瀹炵幇錛?br />2銆傚浜庣鍙?鐨勯噸杞借繕鏈夊叾浠栫殑瀹炵幇鏂規硶鍚楋紵

鐑儓嬈㈣繋澶у璁ㄨ錛侊紒錛侊紒



Harry 2006-04-21 22:41 鍙戣〃璇勮
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