- What are the major differences between C and C++?
- What are the differences between new and malloc?
- What is the difference between
deleteanddelete[]? - What are the differences between a struct in C and in C++?
- What are the advantages/disadvantages of using
#define? - What are the advantages/disadvantages of using
inlineandconst?
- What is the difference between a pointer and a reference?
- When would you use a pointer? A reference?
- What does it mean to take the address of a reference?
- What does it mean to declare a function or variable as
static? - What is the order of initalization for data?
- What is name mangling/name decoration?
- What kind of problems does name mangling cause?
- How do you work around them?
- What is a class?
- What are the differences between a struct and a class in C++?
- What is the difference between public, private, and protected access?
- For
class CFoo { };what default methods will the compiler generate for you>? - How can you force the compiler to not generate them?
- What is the purpose of a constructor? Destructor?
- What is a constructor initializer list?
- When must you use a constructor initializer list?
- What is a:
- Constructor?
- Destructor?
- Default constructor?
- Copy constructor?
- Conversion constructor?
- What does it mean to declare a...
- member function as
virtual? - member function as
static? - member function as
static? - member variable as
static? - destructor as
static?
- member function as
- Can you explain the term "resource acquisition is initialization?"
- What is a "pure virtual" member function?
- What is the difference between public, private, and protected inheritance?
- What is virtual inheritance?
- What is placement
new? - What is the difference between
operator newand thenewoperator?
- What is exception handling?
- Explain what happens when an exception is thrown in C++.
- What happens if an exception is not caught?
- What happens if an exception is throws from an object's constructor?
- What happens if an exception is throws from an object's destructor?
- What are the costs and benefits of using exceptions?
- When would you choose to return an error code rather than throw an exception?
- What is a template?
- What is partial specialization or template specialization?
- How can you force instantiation of a template?
- What is an iterator?
- What is an algorithm (in terms of the STL/C++ standard library)?
- What is
std::auto_ptr? - What is wrong with this statement?
std::auto_ptrptr(new char[10]); - It is possible to build a C++ compiler on top of a C compiler. How would you do this? (Note: I've only asked this question once; and yes, he understood that I was asking him how cfront was put together. We hired him.)
鏆傛椂鍙戝竷闂錛屽ぇ瀹墮泦鎬濆箍鐩婏紝浜夊彇鎶婃瘡涓棶棰樿璁虹殑鍏呭垎涓鐐癸紝鎴戜細鍦ㄦ渶蹇殑鏃墮棿緇欐垜鍑虹殑絳旀錛氾級
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鍏朵腑Para 涓哄弬鏁幫紝涓嬮潰鏉ョ湅涓浜涘父鐢ㄧ殑鍙傛暟銆?/FONT>
(1)message 鍙傛暟銆?Message 鍙傛暟鏄垜鏈鍠滄鐨勪竴涓弬鏁幫紝瀹冭兘澶熷湪緙栬瘧淇℃伅杈撳嚭紿?BR>鍙ｄ腑杈撳嚭鐩稿簲鐨勪俊鎭紝榪欏浜庢簮浠ｇ爜淇℃伅鐨勬帶鍒舵槸闈炲父閲嶈鐨勩傚叾浣跨敤鏂規(guī)硶涓猴細
#Pragma message(鈥滄秷鎭枃鏈?
褰撶紪璇戝櫒閬囧埌榪欐潯鎸囦護鏃跺氨鍦ㄧ紪璇戣緭鍑虹獥鍙ｄ腑灝嗘秷鎭枃鏈墦鍗板嚭鏉ャ?BR>褰撴垜浠湪紼嬪簭涓畾涔変簡璁稿瀹忔潵鎺у埗婧愪唬鐮佺増鏈殑鏃跺欙紝鎴戜滑鑷繁鏈夊彲鑳介兘浼氬繕璁版湁娌℃湁姝ｇ‘鐨勮緗繖浜涘畯錛屾鏃舵垜浠彲浠ョ敤榪欐潯鎸囦護鍦ㄧ紪璇戠殑鏃跺欏氨榪涜媯鏌ャ傚亣璁炬垜浠笇鏈涘垽鏂嚜宸辨湁娌℃湁鍦ㄦ簮浠ｇ爜鐨勪粈涔堝湴鏂瑰畾涔変簡_X86榪欎釜瀹忓彲浠ョ敤涓嬮潰鐨勬柟娉?BR>#ifdef _X86
#Pragma message(鈥淿X86 macro activated!鈥?
#endif
褰撴垜浠畾涔変簡_X86榪欎釜瀹忎互鍚庯紝搴旂敤紼嬪簭鍦ㄧ紪璇戞椂灝變細鍦ㄧ紪璇戣緭鍑虹獥鍙ｉ噷鏄劇ず鈥淿
X86 macro activated!鈥濄傛垜浠氨涓嶄細鍥犱負涓嶈寰楄嚜宸卞畾涔夌殑涓浜涚壒瀹氱殑瀹忚屾姄鑰蟲尃鑵簡
銆?/FONT>
(2)鍙︿竴涓嬌鐢ㄥ緱姣旇緝澶氱殑pragma鍙傛暟鏄痗ode_seg銆傛牸寮忓錛?BR>#pragma code_seg( ["section-name"[,"section-class"] ] )
瀹冭兘澶熻緗▼搴忎腑鍑芥暟浠ｇ爜瀛樻斁鐨勪唬鐮佹錛屽綋鎴戜滑寮鍙戦┍鍔ㄧ▼搴忕殑鏃跺欏氨浼氫嬌鐢ㄥ埌瀹冦?/FONT>
(3)#pragma once (姣旇緝甯哥敤錛?BR>鍙鍦ㄥご鏂囦歡鐨勬渶寮濮嬪姞鍏ヨ繖鏉℃寚浠ゅ氨鑳藉淇濊瘉澶存枃浠惰緙栬瘧涓嬈★紝榪欐潯鎸囦護瀹為檯涓婂湪VC6涓氨宸茬粡鏈変簡錛屼絾鏄冭檻鍒板吋瀹規(guī)у茍娌℃湁澶鐨勪嬌鐢ㄥ畠銆?/FONT>
(4)#pragma hdrstop琛ㄧず棰勭紪璇戝ご鏂囦歡鍒版涓烘錛屽悗闈㈢殑澶存枃浠朵笉榪涜棰勭紪璇戙侭CB鍙互棰勭紪璇戝ご鏂囦歡浠ュ姞蹇摼鎺ョ殑閫熷害錛屼絾濡傛灉鎵鏈夊ご鏂囦歡閮借繘琛岄緙栬瘧鍙堝彲鑳藉崰澶紓佺洏絀洪棿錛屾墍浠ヤ嬌鐢ㄨ繖涓夐」鎺掗櫎涓浜涘ご鏂囦歡銆?
鏈夋椂鍗曞厓涔嬮棿鏈変緷璧栧叧緋伙紝姣斿鍗曞厓A渚濊禆鍗曞厓B錛屾墍浠ュ崟鍏傿瑕佸厛浜庡崟鍏傾緙栬瘧銆備綘鍙互鐢?pragma startup鎸囧畾緙栬瘧浼樺厛綰э紝濡傛灉浣跨敤浜?pragma package(smart_init) 錛孊CB灝變細鏍規(guī)嵁浼樺厛綰х殑澶у皬鍏堝悗緙栬瘧銆?
(5)#pragma resource "*.dfm"琛ㄧず鎶?.dfm鏂囦歡涓殑璧勬簮鍔犲叆宸ョ▼銆?.dfm涓寘鎷獥浣?BR>澶栬鐨勫畾涔夈?
(6)#pragma warning( disable : 4507 34; once : 4385; error : 164 )
絳変環(huán)浜庯細
#pragma warning(disable:4507 34) // 涓嶆樉紺?507鍜?4鍙瘋鍛婁俊鎭?BR>#pragma warning(once:4385) // 4385鍙瘋鍛婁俊鎭粎鎶ュ憡涓嬈?BR>#pragma warning(error:164) // 鎶?64鍙瘋鍛婁俊鎭綔涓轟竴涓敊璇?BR>鍚屾椂榪欎釜pragma warning 涔熸敮鎸佸涓嬫牸寮忥細
#pragma warning( push [ ,n ] )
#pragma warning( pop )
榪欓噷n浠ｈ〃涓涓鍛婄瓑綰?1---4)銆?BR>#pragma warning( push )淇濆瓨鎵鏈夎鍛婁俊鎭殑鐜版湁鐨勮鍛婄姸鎬併?BR>#pragma warning( push, n)淇濆瓨鎵鏈夎鍛婁俊鎭殑鐜版湁鐨勮鍛婄姸鎬侊紝騫朵笖鎶婂叏灞璀﹀憡
絳夌駭璁懼畾涓簄銆?
#pragma warning( pop )鍚戞爤涓脊鍑烘渶鍚庝竴涓鍛婁俊鎭紝鍦ㄥ叆鏍堝拰鍑烘爤涔嬮棿鎵浣滅殑
涓鍒囨敼鍔ㄥ彇娑堛備緥濡傦細
#pragma warning( push )
#pragma warning( disable : 4705 )
#pragma warning( disable : 4706 )
#pragma warning( disable : 4707 )
//.......
#pragma warning( pop )
鍦ㄨ繖孌典唬鐮佺殑鏈鍚庯紝閲嶆柊淇濆瓨鎵鏈夌殑璀﹀憡淇℃伅(鍖呮嫭4705錛?706鍜?707)銆?BR>錛?錛塸ragma comment(...)
璇ユ寚浠ゅ皢涓涓敞閲婅褰曟斁鍏ヤ竴涓璞℃枃浠舵垨鍙墽琛屾枃浠朵腑銆?BR>甯哥敤鐨刲ib鍏抽敭瀛楋紝鍙互甯垜浠繛鍏ヤ竴涓簱鏂囦歡銆?/FONT>
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