锘??xml version="1.0" encoding="utf-8" standalone="yes"?>天堂久久天堂AV色综合,香蕉久久av一区二区三区,久久中文娱乐网 http://m.shnenglu.com/hqh/zh-cn Sat, 28 Jun 2025 07:54:38 GMT Sat, 28 Jun 2025 07:54:38 GMT 60 鎻愪竴涓棶棰?/title> http://m.shnenglu.com/hqh/archive/2007/04/18/22242.htmlhqh hqh Wed, 18 Apr 2007 12:41:00 GMT http://m.shnenglu.com/hqh/archive/2007/04/18/22242.html http://m.shnenglu.com/hqh/comments/22242.html http://m.shnenglu.com/hqh/archive/2007/04/18/22242.html#Feedback 2 http://m.shnenglu.com/hqh/comments/commentRss/22242.html http://m.shnenglu.com/hqh/services/trackbacks/22242.html ]]> 鍐呭瓨娉勬紡鐨勯棶棰?/title> http://m.shnenglu.com/hqh/archive/2007/04/07/21447.htmlhqh hqh Sat, 07 Apr 2007 04:53:00 GMT http://m.shnenglu.com/hqh/archive/2007/04/07/21447.html http://m.shnenglu.com/hqh/comments/21447.html http://m.shnenglu.com/hqh/archive/2007/04/07/21447.html#Feedback 0 http://m.shnenglu.com/hqh/comments/commentRss/21447.html http://m.shnenglu.com/hqh/services/trackbacks/21447.html 銆鍦ㄥ埆澶勭湅鍒扮殑涓涓祫鏂欙紝鎰夸笌澶у鍒嗕韓銆?br> 鍐呭瓨娉勬紡鐨勬叏蹇?/strong> 銆銆1.c/c++鏄▼搴忓憳鑷繁綆$悊鍐呭瓨錛孞ava鍐呭瓨鏄敱GC鑷姩鍥炴敹鐨勩?br> 銆銆鎴戣櫧鐒朵笉鏄緢鐔熸?zhèn)塁++錛屼笉榪囪繖涓簲璇ユ病鏈夌姱甯歌瘑鎬ч敊璇惂銆?br> 銆銆2.浠涔堟槸鍐呭瓨娉勯湶? 銆銆鍐呭瓨娉勯湶鏄寚緋葷粺涓瓨鍦ㄦ棤娉曞洖鏀剁殑鍐呭瓨錛屾湁鏃跺欎細閫犳垚鍐呭瓨涓嶈凍鎴栫郴緇熷穿婧冦?br> 銆銆鍦–/C++涓垎閰嶄簡鍐呭瓨涓嶉噴鏀劇殑鎯呭喌灝辨槸鍐呭瓨娉勯湶銆?br> 銆銆3.Java瀛樺湪鍐呭瓨娉勯湶 銆銆鎴戜滑蹇呴』鍏堟壙璁よ繖涓紝鎵嶅彲浠ユ帴鐫璁ㄨ銆傝櫧鐒禞ava瀛樺湪鍐呭瓨娉勯湶錛屼絾鏄熀鏈笂涓嶇敤寰堝叧蹇冨畠錛岀壒鍒槸閭d簺瀵逛唬鐮佹湰韜氨涓嶈絀剁殑灝辨洿涓嶈鍘誨叧蹇冭繖涓簡銆?br> 銆銆Java涓殑鍐呭瓨娉勯湶褰撶劧鏄寚錛氬瓨鍦ㄦ棤鐢ㄤ絾鏄瀮鍦懼洖鏀跺櫒鏃犳硶鍥炴敹鐨勫璞°傝屼笖鍗充嬌鏈夊唴瀛樻硠闇查棶棰樺瓨鍦紝涔熶笉涓瀹氫細琛ㄧ幇鍑烘潵銆?br> 銆銆4.Java涓弬鏁伴兘鏄紶鍊肩殑銆?br> 銆銆瀵逛簬鍩烘湰綾誨瀷錛屽ぇ瀹跺熀鏈笂娌℃湁寮傝錛屼絾鏄浜庡紩鐢ㄧ被鍨嬫垜浠篃涓嶈兘鏈夊紓璁?br> 銆銆Java鍐呭瓨娉勯湶鎯呭喌 銆銆JVM鍥炴敹綆楁硶鏄緢澶嶆潅鐨勶紝鎴戜篃涓嶇煡閬撲粬浠庝箞瀹炵幇鐨勶紝浣嗘槸鎴戝彧鐭ラ亾浠栦滑瑕佸疄鐜扮殑灝辨槸錛氬浜庢病鏈夎寮曠敤鐨勫璞℃槸鍙互鍥炴敹鐨勩傛墍浠ヤ綘瑕侀犳垚鍐呭瓨娉勯湶灝辮鍋氬埌錛?br> 銆銆鎸佹湁瀵規(guī)棤鐢ㄥ璞$殑寮曠敤! 銆銆涓嶈浠ヤ負榪欎釜寰堝鏄撳仛鍒幫紝鏃㈢劧鏃犵敤錛屼綘鎬庝箞榪樹細鎸佹湁瀹冪殑寮曠敤? 鏃㈢劧浣犺繕鎸佹湁瀹冿紝瀹冩庝箞浼氭槸鏃犵敤鐨勫憿? 銆銆鎴戝疄鍦ㄦ兂涓嶅埌姣旈偅涓爢鏍堟洿緇忓吀鐨勪緥瀛愪簡,浠ヨ嚧浜庢垜榪樿寮曠敤鍒漢鐨勪緥瀛愶紝涓嬮潰鐨勪緥瀛愪笉鏄垜鎯沖埌鐨勶紝鏄功涓婄湅鍒扮殑錛屽綋鐒跺鏋滄病鏈夊湪涔︿笂鐪嬪埌錛屽彲鑳借繃涓孌墊椂闂存垜鑷繁涔熸兂鐨勫埌錛屽彲鏄偅鏃舵垜璇存槸鎴戣嚜宸辨兂鍒扮殑涔熸病鏈変漢鐩鎬俊鐨勩?br>
public class Stack { 銆private Object[] elements=new Object[10]; 銆private int size = 0; 銆public void push(Object e){ 銆銆ensureCapacity(); 銆銆elements[size++] = e; 銆} 銆public Object pop(){ 銆銆if( size == 0) 銆銆銆throw new EmptyStackException(); 銆銆銆return elements[--size]; 銆} private void ensureCapacity(){ 銆if(elements.length == size){ 銆銆Object[] oldElements = elements; 銆銆elements = new Object[2 * elements.length+1]; 銆銆System.arraycopy(oldElements,0, elements, 0, size); 銆} } }
銆銆涓婇潰鐨勫師鐞嗗簲璇ュ緢綆鍗曪紝鍋囧鍫嗘爤鍔犱簡10涓厓绱狅紝鐒跺悗鍏ㄩ儴寮瑰嚭鏉ワ紝铏界劧鍫嗘爤鏄┖鐨勶紝娌℃湁鎴戜滑瑕佺殑涓滆タ錛屼絾鏄繖鏄釜瀵硅薄鏄棤娉曞洖鏀剁殑錛岃繖涓墠絎﹀悎浜嗗唴瀛樻硠闇茬殑涓や釜鏉′歡錛氭棤鐢紝鏃犳硶鍥炴敹銆?br> 銆銆浣嗘槸灝辨槸瀛樺湪榪欐牱鐨勪笢瑗夸篃涓嶄竴瀹氫細瀵艱嚧浠涔堟牱鐨勫悗鏋滐紝濡傛灉榪欎釜鍫嗘爤鐢ㄧ殑姣旇緝?yōu)畱锛屼篃灏眿躬璐逛簡鍑犱釜K鍐呭瓨鑰屽凡錛屽弽姝f垜浠殑鍐呭瓨閮戒笂G浜嗭紝鍝噷浼氭湁浠涔堝獎鍝嶏紝鍐嶈榪欎釜涓滆タ寰堝揩灝變細琚洖鏀剁殑錛屾湁浠涔堝叧緋匯備笅闈㈢湅涓や釜渚嬪瓙銆?br> 銆銆渚嬪瓙1
public class Bad{ 銆public static Stack s=Stack(); 銆銆static{ 銆銆銆s.push(new Object()); 銆銆銆s.pop(); //榪欓噷鏈変竴涓璞″彂鐢熷唴瀛樻硠闇?br>銆銆銆s.push(new Object()); //涓婇潰鐨勫璞″彲浠ヨ鍥炴敹浜嗭紝絳変簬鏄嚜鎰堜簡 銆銆} }
銆銆鍥犱負鏄痵tatic錛屽氨涓鐩村瓨鍦ㄥ埌紼嬪簭閫鍑猴紝浣嗘槸鎴戜滑涔熷彲浠ョ湅鍒板畠鏈夎嚜鎰堝姛鑳斤紝灝辨槸璇村鏋滀綘鐨凷tack鏈澶氭湁100涓璞★紝閭d箞鏈澶氫篃灝卞彧鏈?00涓璞℃棤娉曡鍥炴敹鍏跺疄榪欎釜搴旇寰堝鏄撶悊瑙o紝Stack鍐呴儴鎸佹湁100涓紩鐢紝鏈鍧忕殑鎯呭喌灝辨槸浠栦滑閮芥槸鏃犵敤鐨勶紝鍥犱負鎴戜滑涓鏃︽斁鏂扮殑榪涘彇錛屼互鍓嶇殑寮曠敤鑷劧娑堝け錛?br> 銆銆渚嬪瓙2
public class NotTooBad{ 銆public void doSomething(){ 銆銆Stack s=new Stack(); 銆銆s.push(new Object()); 銆銆//other code 銆銆s.pop();//榪欓噷鍚屾牱瀵艱嚧瀵硅薄鏃犳硶鍥炴敹,鍐呭瓨娉勯湶. 銆}//閫鍑烘柟娉?s鑷姩鏃犳晥,s鍙互琚洖鏀?Stack鍐呴儴鐨勫紩鐢ㄨ嚜鐒舵病浜?鎵浠?br>銆//榪欓噷涔熷彲浠ヨ嚜鎰?鑰屼笖鍙互璇磋繖涓柟娉曚笉瀛樺湪鍐呭瓨娉勯湶闂,涓嶈繃鏄櫄涓鐐?br>銆//浜ょ粰GC鑰屽凡,鍥犱負瀹冩槸灝侀棴鐨?瀵瑰涓嶅紑鏀?鍙互璇翠笂闈㈢殑浠g爜99.9999%鐨?br>銆//鎯呭喌鏄笉浼氶犳垚浠諱綍褰卞搷鐨?褰撶劧浣犲啓榪欐牱鐨勪唬鐮佷笉浼氭湁浠涔堝潖鐨勫獎鍝?浣嗘槸 銆//緇濆鍙互璇存槸鍨冨溇浠g爜!娌℃湁鐭涚浘鍚?鎴戝湪閲岄潰鍔犱竴涓┖鐨刦or寰幆涔熶笉浼氭湁 銆//浠涔堝お澶х殑褰卞搷鍚?浣犱細榪欎箞鍋氬悧? }
銆銆涓婇潰涓や釜渚嬪瓙閮戒笉榪囨槸灝忔墦灝忛椆,浣嗘槸C/C++涓殑鍐呭瓨娉勯湶灝變笉鏄疊ad浜?鑰屾槸Worst浜嗐備粬浠鏋滀竴澶勬病鏈夊洖鏀跺氨姘歌繙鏃犳硶鍥炴敹,棰戠箒鐨勮皟鐢ㄨ繖涓柟娉曞唴瀛樹笉灝辯敤鍏変簡!鍥犱負Java榪樻湁鑷剤鍔熻兘(鎴戣嚜宸辮搗鐨勫悕瀛?榪樻病鐢寵涓撳埄),鎵浠ava鐨勫唴瀛樻硠闇查棶棰樺嚑涔庡彲浠ュ拷鐣ヤ簡,浣嗘槸鐭ラ亾鐨勪漢灝變笉瑕佺姱浜嗐?br> 銆銆涓嶇煡鑰呮棤緗?Java瀛樺湪鍐呭瓨娉勯湶,浣嗘槸涔熶笉瑕佸じ澶у叾杈炪傚鏋滀綘瀵笿ava閮戒笉鏄緢鐔?浣犳牴鏈氨涓嶇敤鍏沖績榪欎釜,鎴戣榪囦綘鏃犳剰涓啓鍑哄唴瀛樻硠闇茬殑渚嬪瓙灝卞儚浣犱腑涓鍗冧竾涓鏍鋒鐜囧皬,寮鐜╃瑧浜?鍏跺疄搴旇鏄皬鐨勫鐨勫! 銆銆鑰屼笖鍗充嬌浣犳湁騫稿啓鍑鴻繖鏍風殑浠g爜錛屼腑濂栦簡!鍩烘湰涓婇兘鏄竴鍖呮礂琛g矇錛屼笉浼氳浣犲彂璐紝瀵圭郴緇熸病鏈変粈涔堝ぇ鐨勫獎鍝嶃?br> 銆銆鏉炰漢蹇уぉ鐨勬儏鍐?/strong> 銆銆1.鏃犺瘽鍙鍨?br>
Object obj=new Object(); obj=null; //榪欎釜瀹屽叏澶氭涓涓?鍥犱負閫鍑轟簡浣滅敤鑼冨洿錛屽璞$殑寮曠敤鑷姩娑堝け //涓嶈鍦ㄤ綘鐨勭▼搴忎腑鍑虹幇榪欐牱鐨勮鍙ワ紝娌℃湁閿欙紝浣嗘槸灝辨槸涓嶉泤瑙?/td>
銆銆2.鎬濊冧笉瀵瑰瀷
void func(Object o){ 銆o=new Object(); 銆return }
銆銆褰撴垜浠煡閬揓ava鍙傛暟鏄紶鍊鹼紝灝辯煡閬撲笂闈㈢殑鏂規(guī)硶浠涔堜篃娌¢敊錛屽氨鏄敵璇蜂簡涓涓璞$劧鍚庡啀涓㈢粰GC銆傚洜涓烘槸浼犲鹼紝榪欓噷鐨刼鏄竴涓皟鐢ㄦ椂鍊欑殑鎷瘋礉,浼氫笉浼氭棤娉曞洖鏀訛紵涓嶅氨鏄嫹璐濆悧錛岄鍑烘柟娉曚粈涔堥兘娌′簡錛岃繖涓璞℃庝箞浼氱暀鐨勪綇銆?br> 銆銆3.灝介噺閬垮厤鍨?br>
class A{ 銆B b=new B(this); } class B{ 銆A a; 銆B(A a){this.a=a;} }
]]>璇鋒暀涓涓?/title> http://m.shnenglu.com/hqh/archive/2007/03/30/20975.htmlhqh hqh Fri, 30 Mar 2007 13:19:00 GMT http://m.shnenglu.com/hqh/archive/2007/03/30/20975.html http://m.shnenglu.com/hqh/comments/20975.html http://m.shnenglu.com/hqh/archive/2007/03/30/20975.html#Feedback 0 http://m.shnenglu.com/hqh/comments/commentRss/20975.html http://m.shnenglu.com/hqh/services/trackbacks/20975.html 鏄ㄦ棩錛屾垜鐨勪竴涓悓瀛︾紪浜嗕竴涓▼搴忥紝浣嗚繍綆楀嚭鏉ワ紝寰椾笉鍒版紜殑緇撴灉錛庝粬闂垜錛屾垜鐭ラ亾閭d釜紜疄鏈変竴瀹氱殑闂錛屼絾灝辨槸鏃犳硶瑙i噴娓呮錛岀壒鏉ヨ鏁欙紟 錛僫nclude<stdio.h> void main() { printf("please input two num x and y:"); int a,b,c; scanf("%5d",&a); printf("%d",a); scanf("%4d%4d",&b,&c); printf("%d,%d",b,c); } 鐢變簬鎴戜篃鎵嶆帴瑙︼跡錛嬶紜錛屽洜姝ゆ垜涔熸棤娉曚綔鍑烘紜В閲婏紝甯屾湜鏈変漢鑳藉府涓婂繖錛?
]]> 鍒濆C++鐨勬劅瑙?/title> http://m.shnenglu.com/hqh/archive/2007/03/28/20773.htmlhqh hqh Wed, 28 Mar 2007 07:35:00 GMT http://m.shnenglu.com/hqh/archive/2007/03/28/20773.html http://m.shnenglu.com/hqh/comments/20773.html http://m.shnenglu.com/hqh/archive/2007/03/28/20773.html#Feedback 0 http://m.shnenglu.com/hqh/comments/commentRss/20773.html http://m.shnenglu.com/hqh/services/trackbacks/20773.html 鍒濆C++,鍙煡閬撲竴浜涚畝鍗曠殑綆楁硶,涓浜涚畝鍗曠殑璇彞,浣嗘槸鎴戞鍦ㄥ敖鏈澶х殑鍔姏瀛︿範鏇村榪欐柟闈㈢殑鐭ヨ瘑. 鐪熸鎺ヨЕ鍒癈++鎴戞墠鐭ラ亾浠栫殑鍗氬ぇ綺炬繁,瑕佸濂戒粬涔熷茍闈炰竴浠跺鏄撶殑浜?鎴戝磭鎷滈偅浜涚紪紼嬮珮鎵?鎴戜篃鍚戝線鏈変竴澶╄嚜宸變篃鑳芥垚涓轟竴涓紪紼嬮珮鎵? 鎵浠ユ垜浼氬姞鍊嶅姫鍔?浜夊彇鏃╂棩瀹炵幇姊︽兂. ]]>
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