char,int,short,long,float,double,long double,boolean
for example: 128u,1024L,7LU,3.14f,'a',"aa",true
杞箟搴忓垪錛氫竴閮ㄥ垎涓嶅彲鎵撳嵃鐨勫瓧絎︼紝濡傛崲琛岋紝鍒惰〃錛屽崟寮曞彿錛屽弻寮曞彿絳夈?br /> (\n,\t,,\v,\b,\r,\f,\a,\\,\?,\',\")
瀹藉瓧絎︽枃瀛楋細瀛楃鏂囧瓧鍓嶉潰鍔犱笂L錛屼緥錛歀'a'銆傚瀛楃甯擱噺鐢ㄦ潵鏀寔鏌愪簺璇█鐨勫瓧絎﹂泦鍚堝姹夎錛屾棩璇繖浜涜璦涓殑鏌愪簺瀛楃涓嶈兘鐢ㄥ崟涓瓧絎︽潵琛ㄧず銆?br /> 2.鍙橀噺
C++k涓殑姣忎釜絎﹀彿鍙橀噺閮戒笌涓涓壒瀹氱殑鏁版嵁綾誨瀷鐩稿叧鑱旓紝榪欎釜綾誨瀷鍐沖畾浜嗙浉鍏沖唴瀛樼殑澶у皬錛屽竷灞錛岃兘澶熷瓨鍌ㄥ湪璇ュ唴瀛樺尯鐨勫肩殑鑼冨洿浠ュ強鍙互搴旂敤鍏朵笂鐨勬搷浣滈泦銆?/p>
渚嬪錛?br />
int student_count;
double salary;
bool on_loan;
string street_address;
char delimiter;
鍙橀噺鍜屾枃瀛楀父閲忛兘鏈夊瓨鍌ㄥ尯錛屽茍涓旀湁鐩稿叧鐨勭被鍨嬨傚尯鍒湪浜庡彉閲忔槸鍙鍧鐨勩?br />
姣忎釜鍙橀噺錛岄兘鏈変袱涓鹼細
1.鏁版嵁鍊鹼紝瀛樺偍浜庢煇涓唴瀛樺湴鍧涓傝縐頒負鍙沖鹼紝鍗寵璇誨彇鐨勫箋傛枃瀛楀父閲忓拰鍙橀噺閮藉彲琚敤浣滃彸鍊箋?br />
2.鍦板潃鍊鹼紝瀛樺偍鏁版嵁鍊肩殑閭ｅ潡鍐呭瓨鐨勫湴鍧銆傚畠鏈夋椂琚О涓哄彉閲忕殑宸﹀鹼紝鍗充綅緗箋傛枃瀛楀父閲忎笉鑳借鐢ㄤ綔宸﹀箋?br />
鍦–++涓紝紼嬪簭鍦ㄤ嬌鐢ㄤ箣鍓嶅繀欏誨厛鐭ラ亾璇ュ璞°傚彲浠ラ氳繃瀵硅薄澹版槑鏉ュ疄鐜幫紝瀹冪殑浣滅敤鏄嬌紼嬪簭鐭ラ亾璇ュ璞＄殑綾誨瀷鍜屽悕瀛椼傜敱鍏抽敭瀛梕xtern浠ュ強璺熷湪鍚庨潰鐨勫璞＄被鍨嬩互鍙婂璞＄殑鍚嶅瓧鏋勬垚銆傚０鏄庝笉鏄畾涔夛紝涓嶄細寮曡搗鍐呭瓨鍒嗛厤銆備竴涓▼搴忓彧鑳藉寘鍚竴涓璞＄殑涓涓畾涔夛紝鍗村彲浠ュ寘鍚換鎰忔暟鐩殑瀵硅薄澹版槑銆傚彲灝嗗０鏄庢斁浜庡ご鏂囦歡涓?/p>
鍙橀噺鍚嶅彲鐢辨暟瀛楋紝瀛楁瘝錛屼笅鍒掔嚎緇勬垚銆備互瀛楁瘝鎴栦笅鍒掔嚎寮澶達紝鍖哄垎澶у皬鍐欍傚闀垮害涓嶉檺鍒躲備笉鑳戒嬌鐢–++鐨勫叧閿瓧銆傚湪瀹為檯寮鍙戜腑錛屽彉閲忓悕閫氬父鍙栦唬琛ㄥ疄闄呭惈涔夌殑鑻辨枃瀛楁瘝銆?br />
瀵硅薄鐨勫畾涔?br />
綾誨瀷鎸囩ず絎?鍚嶅瓧,鍒嗗彿緇撴潫銆備緥濡傦細unsigned long distance;
濡傛灉鍙橀噺鏄湪鍏ㄥ眬鍩熷畾涔夌殑錛岀郴緇熸彁渚涘垵濮嬪?銆傚鏋滄槸灞閮ㄥ煙鐨勶紝鎴栨槸閫氳繃new琛ㄨ揪寮忓姩鎬佸垎閰嶇殑錛岀郴緇熶笉鎻愪緵鍒濆鍊?銆傝繖鏍風殑瀵硅薄鏄湭鍒濆鍖栫殑錛屽畠浠笉鏄病鏈夊鹼紝鑰屾槸鏈畾涔夈?br />
C++鏀寔涓ょ褰㈠紡鐨勫垵濮嬪寲銆?br />
涓縐嶆槸浣跨敤璧嬪兼搷浣滅鐨勬樉寮忚娉曞艦寮忥細int ival=1024;
絎簩縐嶆槸闅愬紡褰㈠紡錛歩nt ival(1024);
姣忕鍐呯疆鏁版嵁綾誨瀷閮芥敮鎸佷竴縐嶇壒孌婄殑鏋勯犲嚱鏁拌娉曪紝鍙皢瀵硅薄鍒濆鍖栦負0銆備緥錛歩nt ival=int();
瀵硅薄鍙互鐢ㄤ換鎰忓鏉傜殑琛ㄨ揪寮忔潵鍒濆鍖栵紝鍖呮嫭鍑芥暟鐨勮繑鍥炲箋?br />
鎸囬拡
鎸囬拡鎸佹湁鍙︿竴涓璞＄殑鍦板潃錛屼嬌鎴戜滑鑳藉闂存帴鍦版搷浣滆繖涓璞°?br />
閫氳繃鍦ㄦ爣璇嗙鍓嶅姞涓涓В寮曠敤鎿嶄綔絎?*)鏉ュ畾涔夋寚閽堛備緥錛?br />
int *p1,p2;
complex<double> *cp;
褰撴寚閽堟寔鏈?鍊兼椂錛岃〃鏄庡畠娌℃湁鎸囧悜浠諱綍瀵硅薄錛屾垨鎸佹湁涓涓悓綾誨瀷鐨勬暟鎹璞＄殑鍦板潃銆?br />
絀?void*)綾誨瀷鎸囬拡錛屽畠鍙互琚換浣曟暟鎹寚閽堢被鍨嬬殑鍦板潃鍊艱祴鍊?鍑芥暟鎸囬拡涓嶈兘璧嬪肩粰瀹?.
涓嶈兘鎿嶄綔絀虹被鍨嬫寚閽堟墍鎸囧悜鐨勫璞★紝鍙兘浼犻佽鍦板潃鍊兼垨灝嗗畠涓庡叾浠栧湴鍧鍊間綔姣旇緝銆?br />
C++鎻愪緵浜嗚В寮曠敤鎿嶄綔絎?*)鏉ラ棿鎺ュ湴璇誨拰鍐欐寚閽堟墍鎸囧悜鐨勫璞°?br />
int ival=1024;
int *pi=&ival;
int **ppi=πppi鏄寚鍚慽nt鎸囬拡pi鐨勬寚閽堛?br />
int *pi2=*ppi;
瑕佽闂埌ival錛岄渶瑕佷袱嬈¤В寮曠敤ppi.*ppi
鎸囬拡鍙互璁╁畠鐨勫湴鍧鍊煎鍔犳垨鍑忓皯涓涓暣鏁板箋傜О涓烘寚閽堢殑綆楀紡榪愮畻銆傚吀鍨嬬敤娉曟槸閬嶅巻涓涓暟緇勩?br />
瀛楃涓茬被鍨?br />
C椋庢牸瀛楃涓?br />