锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲成色WWW久久网站,国外亚洲成AV人片在线观看 ,亚洲综合一区二区三区四区五区http://www.tkk7.com/murainwood/category/9938.htmlzh-cnThu, 07 Jun 2007 01:51:49 GMTThu, 07 Jun 2007 01:51:49 GMT60Java鐨勯熷害錛屽疄鍦ㄤ笉鎯寵佽皟閲嶅脊http://www.tkk7.com/murainwood/archive/2007/06/06/122463.htmlmurainwoodmurainwoodWed, 06 Jun 2007 14:39:00 GMThttp://www.tkk7.com/murainwood/archive/2007/06/06/122463.htmlhttp://www.tkk7.com/murainwood/comments/122463.htmlhttp://www.tkk7.com/murainwood/archive/2007/06/06/122463.html#Feedback0http://www.tkk7.com/murainwood/comments/commentRss/122463.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/122463.html    鏇劇粡鏁版瀵兼紨緙栫▼璇█PK鐨凜SDN錛屼粖澶╁張鍙戣〃浜嗙瘒寰堝ū涔愬緢鏈夊鐏儲鐨勬枃绔?br>



]]>涓閬撶畻娉曢http://www.tkk7.com/murainwood/archive/2006/10/12/74685.htmlmurainwoodmurainwoodWed, 11 Oct 2006 16:43:00 GMThttp://www.tkk7.com/murainwood/archive/2006/10/12/74685.htmlhttp://www.tkk7.com/murainwood/comments/74685.htmlhttp://www.tkk7.com/murainwood/archive/2006/10/12/74685.html#Feedback0http://www.tkk7.com/murainwood/comments/commentRss/74685.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/74685.html鏈?涓嫳鏂囧瓧姣?a,b,c ,d,e,f
聽浠庝腑浠繪剰鍙朜涓?N<=6)鏉ユ帓鍒?
宸茬煡 a 鍙兘涓?b 鐩歌繛,聽
聽聽聽聽聽聽聽聽 b涓嶈兘鍜宔,f鐩歌繛
聽聽聽聽聽聽聽聽聽c涓嶈兘鍜宎鐩歌繛
聽聽聽聽聽聽聽聽 d涓嶈兘鍜?a ,e鐩歌繛
聽聽聽聽聽聽聽聽聽聽聽f 涓嶈兘鍜屄燼,b鐩歌繛
璇鋒墦鍗板嚭瀛楁瘝f鎴朾 鍦ㄦ湯灝劇殑緇勫悎欏哄簭,鐢↗ava瀹炵幇

鎴戠殑瑙g瓟:

聽聽聽 import java.util.*;

/**
聽*
聽* @author ShenXiaoliang
聽*
聽*/
public class DemoGraph {

聽final static int VERTICE=6;

聽private ArrayList<String> patheSet=new ArrayList<String>();

聽private String[] ver={"a","b","c","d","e","f"};

聽private int[][] graph=new int[6][6];

聽private String path="";

聽private boolean[] isVisit=new boolean[VERTICE];


聽public DemoGraph() {
聽聽
聽聽initiGraph();
聽聽for(int index=0;index<VERTICE;index++)
聽聽depthSearch(index);
聽聽show();
聽聽
聽}

聽private void initiGraph(){
聽聽graph[0][1]=1;
聽聽graph[1][0]=1;
聽聽graph[1][2]=1;
聽聽graph[1][3]=1;
聽聽graph[2][1]=1;
聽聽graph[2][3]=1;
聽聽graph[2][4]=1;
聽聽graph[2][5]=1;
聽聽graph[3][1]=1;
聽聽graph[3][2]=1;
聽聽graph[3][5]=1;
聽聽graph[4][2]=1;
聽聽graph[4][5]=1;
聽聽graph[5][2]=1;
聽聽graph[5][3]=1;
聽聽graph[5][4]=1;
聽}

聽private void depthSearch(int start){
聽聽
聽聽isVisit[start]=true;
聽聽path+=ver[start];
聽聽if(path.charAt(path.length()-1)=='f'||path.charAt(path.length()-1)=='b') patheSet.add(path);
聽聽for(int index=0;index<VERTICE;index++)
聽聽聽if(graph[start][index]==1&&isVisit[index]==false)
聽聽聽聽depthSearch(index);
聽聽聽else continue;
聽聽path=path.substring(0,path.length()-1);
聽聽isVisit[start]=false;
聽}


聽private void show(){
聽聽for(String pa:patheSet)
聽聽聽System.out.println(pa);
聽}

聽/**
聽 * @param args
聽 */
聽public static void main(String[] args) {
聽聽// TODO Auto-generated method stub
聽聽new DemoGraph();
聽}

}

聽聽聽聽聽聽聽聽聽



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緇х畫宸╁浐Java鍩虹錛屼竴閬撶患鍚堥http://www.tkk7.com/murainwood/archive/2006/08/14/63382.htmlmurainwoodmurainwoodSun, 13 Aug 2006 19:18:00 GMThttp://www.tkk7.com/murainwood/archive/2006/08/14/63382.htmlhttp://www.tkk7.com/murainwood/comments/63382.htmlhttp://www.tkk7.com/murainwood/archive/2006/08/14/63382.html#Feedback4http://www.tkk7.com/murainwood/comments/commentRss/63382.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/63382.html鑷繁鎯崇殑涓閬撻錛岀畻鏄?0錛呭師鍒涘惂聽
String a=new String("Hello");
聽 a+="World";

聽闂細a鐨勫唴瀹規渶鍚庢槸浠涔堬紵
聽聽聽聽聽聽聽聽 榪欎袱涓鍙ワ紝鍏辯敓鎴愪簡鍑犱釜Java瀵硅薄錛?br />
綆鍗曚笉錛熺湅鏍峰瓙闈炲父綆鍗曞惂錛屽懙鍛點?br />絎竴闂細a錛堢‘鍒囧湴璇碼寮曠敤鐨勫唴瀹癸級鏄疕elloWorld

絎簩闂細 涓や釜璇彞錛屼竴鍏辯敓鎴愪簡鍑犱釜瀵硅薄錛?br />聽聽聽聽鐪嬬涓涓鍙ワ紝璇村疄璇濓紝鐢ㄨ繖縐嶆柟寮忓垵濮嬪寲String錛屽疄鍦ㄦ槸浠g爜鍨冨溇銆傝繖鍏堜笉綆″暒銆傝繖涓鍙ユ槸鑰佺敓闀胯皥錛屼竴涓垨涓や釜瀵硅薄銆?br />聽聽聽 涓轟綍錛熺涓嬈℃墽琛屾椂鍒涘緩浜嗕簩涓? 涓涓負瀛楅潰閲?Hello"(瀹冩湰韜槸涓涓猄tring瀵硅薄), 涓涓負new String("Hello")(瀹冩槸閫氳繃new鍒涘緩鐨? 鍔熻兘涓婂拰瀛楅潰閲?foo"瀹屽叏涓鏍? 浣嗗嵈鏄彟涓涓璞?.

絎簩嬈℃墽琛屾椂, 鍙垱寤轟竴涓? 鍗硁ew String("Hello"), 榪欐槸鍥犱負: "Hello"浣滀負String瀛楅潰閲? 鏄瓨鍦ㄤ簬String Pool閲岄潰鐨? 絎簩嬈′嬌鐢ㄥ畠鏃? 鐩存帴鎸囧悜鍘熸湁鐨凷tring, 鑰屼笉鍐嶅垱寤烘柊鐨凷tring; 浣唍ew String("Hello")鍗存瘡鎵ц涓嬈¢兘鍒涘緩涓涓柊鐨?瀹屽叏涓鏍風殑String瀵硅薄.

聽聽聽絎簩涓鍙ュ憿錛?br />聽聽聽聽 3涓璞°?br />聽聽聽聽 棣栧厛鏄淲orld鈥濓紝姣嬪焊璐ㄧ枒銆?br />聽聽聽聽 閭d箞鐒跺悗鍛紵娉ㄦ剰浜嗭紝String鏄痜inal綾伙紝涓嶅彲鏀瑰彉銆傚鉤鏃舵垜浠啓Java浼氭湁涓敊瑙夛紝stringA+stringB灝變互涓烘槸鍓嶈呭熬宸存帴涓婂悗鑰呰剳琚嬨傜殑紜紝鍦–/C++閲屽氨鏄姝ゃ備竴鐐瑰効閿欓兘娌℃湁銆?br />聽聽聽 浣嗘槸Java涓嶆槸錛孞ava璁捐鑰呬負浜嗘洿澶氭柟闈㈢殑鑰冭檻錛屼粬浠妸String璁捐鎴愪簡final銆?br />聽聽聽 鐪嬩竴涓婮VM姹囩紪鎸囦護鍚?br />聽 0:聽aload_0
聽聽 1:聽invokespecial聽#1; //Method java/lang/Object."<init>":()V
聽聽 4:聽return

static void inti();
聽 Code:
聽聽 0:聽new聽#2; //class java/lang/String
聽聽 3:聽dup
聽聽 4:聽ldc聽#3; //String Hello
聽聽 6:聽invokespecial聽#4; //Method java/lang/String."<init>":(Ljava/lang/String;)V
聽聽 9:聽astore_0
聽聽 10:聽new聽#5; //class java/lang/StringBuilder
聽聽 13:聽dup
聽聽 14:聽invokespecial聽#6; //Method java/lang/StringBuilder."<init>":()V
聽聽 17:聽aload_0
聽聽 18:聽invokevirtual聽#7; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
聽聽 21:聽ldc聽#3; //String Hello
聽聽 23:聽invokevirtual聽#7; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
聽聽 26:聽invokevirtual聽#8; //Method java/lang/StringBuilder.toString:()Ljava/lang/String;
聽聽 29:聽astore_0
聽聽 30:聽return

}

浠旂粏鐪嬩竴涓嬫垜鍋氱殑鏍囪錛孞VM緇欐垜浠敓鎴愪簡涓涓猄tringBuilder綾匯傦紙鎴戠敤鐨勬槸JDK5錛屾棫鐗堟湰鏄疭tringBuffer綾伙紝鍗曞崟榪欎竴鐐瑰皬鏀瑰姩灝辮兘璁㎎ava鐨勯熷害鎻愰珮寰堝錛夈傝鍚庣敤append鏂規硶杞藉叆Hello鍜學orld涓や釜String鐨勫紩鐢紙鏄庣‘鍦拌杞寲鎴愬瓧絎︽暟緇勶級銆?br />褰撹澆鍏ュ畬鎴愬悗錛孲tringBuilder瀹炰緥璋冪敤toString錛岀敓鎴愪竴涓柊鐨凷tring瀹炰緥錛堟殏鏃剁О涓篢empString)銆?br />聽鏈鍚庢妸寮曠敤a鎸囧悜TempString


鎬葷粨錛氫袱鍙ヨ鍙ユ誨叡鐢熸垚浜?涓垨5涓狫ava綾誨疄渚?br />
PS錛欽ava涓病鏈夋寚閽堝疄鍦ㄦ槸澶笉鏂逛究浜嗐傜壒鍒槸鍦ㄦ搷浣滃師濮嬫暟鎹被鍨嬬殑鏃跺欍備釜浜鴻涓篔ava搴旇鍦ㄨ繖鐐逛笂瀛﹀C錛冦傛寚閽堜笉鏄椽姘寸寷鍏斤紝瀵逛紭縐紼嬪簭鍛樿岃█錛屾寚閽堟槸緙栫▼涓殑涓縐嶄韓鍙椼?br />聽聽聽聽聽聽聽 甯屾湜鈥滄搗璞氣濓紙Java7錛夎兘鍑虹幇鎸囬拡鍚э紞錛嶏紞寰堜笉鐜板疄錛岃繕鏄瓑寮婧愬悗鐨凧ava鐗堟湰鍚?br />



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Stack and Heaphttp://www.tkk7.com/murainwood/archive/2006/07/31/61037.htmlmurainwoodmurainwoodMon, 31 Jul 2006 08:28:00 GMThttp://www.tkk7.com/murainwood/archive/2006/07/31/61037.htmlhttp://www.tkk7.com/murainwood/comments/61037.htmlhttp://www.tkk7.com/murainwood/archive/2006/07/31/61037.html#Feedback2http://www.tkk7.com/murainwood/comments/commentRss/61037.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/61037.htmlStack 鍜孒eap鐨勫樊鍒紝涓婃鍗庝負鐮旂┒鐢熺瑪璇曢灝辮冭繃銆侰璇█鐨勬垜寰堟竻妤?
Stack: automatic variables within functions
聽 Heap: global variables (storage class external), and static variables

綆鑰岃█涔嬶紝鏈澶х殑涓嶅悓鏄細鍓嶈呮槸鍑芥暟鍙橀噺鐨勭┖闂達紝鍚庤呮槸紼嬪簭鍙橀噺鐨勭┖闂?br />
鍙﹀錛孲tack涓婂垎閰嶅唴瀛樻槸瀹夊叏鐨勩傝孒eap涓婂垎閰嶅唴瀛樺垯娌¢偅涔堢埥浜嗐傝皟鐢╩alloc鍒嗛厤鍐呭瓨錛屾槸鍦℉eap涓婂紑杈熺┖闂淬備竴瀹氳娉ㄦ剰閲婃斁銆傚惁鍒欒佹槸memory leak

鏄ㄥぉ鏈変漢闂垜JVM涓殑Stack鍜孒eap鐨勫樊鍒紝褰撴椂蹇冧笉鍦ㄧ剦鍦扮収鎼珻璇█鏁瘋浜嗕簨銆?br />涓崍璧峰簥錛屾病浜嬮棽鐫鐪嬪笘瀛愩傛棤鎰忎腑鎯寵搗榪欎釜闂錛屽湪Google鎼滅儲浜嗕竴鐣傚彂鐜版槰澶╃殑鍥炵瓟鍑轟簡闂錛?br />鈥溌營t is useful to know that these two different kinds of memory exist in Java. Stack memory is the program's memory, and heap memory resides outside of the program.鈥?br />
Stack鏄▼搴忓唴瀛橈紝Heap鍐呭瓨瀛樺湪浜庣▼搴忎箣澶栥傝繖鏍峰瓙鐪嬭搗鏉ュ拰C璇█涓湴Heap鏈変簺鍍忚錛圕璇█涓殑Heap涔熸槸鍦╩ian()涔嬪鐨勶級銆傚啀浠旂粏鐪嬬湅

Stack memory stores primitive types and the addresses of objects. The object values are stored in heap memory.

綾誨疄渚嬪瓨鍦ㄤ簬Heap銆傜被瀹炰緥鐨勭殑鎸囬拡鍦⊿tack涓瓨鏀俱傞毦鎬狫VM娌℃湁text segment 錛?/font>鍦⊿tack灝卞泭鎷簡text segment銆?br />
榪欐牱鍋氱殑濂藉錛屽氨鏄負浜嗗疄鐜癑ava鐨勫瀮鍦懼洖鏀舵満鍒躲備換浣曠殑綾誨璞″疄渚嬮兘鍦℉eap涓紝鍦⊿tack涓湁瀹冧滑鐨勫紩鐢ㄣ傚綋鎵浠ョ殑綰跨▼閮戒笉鍦ㄩ渶瑕佹煇涓紩鐢ㄦ椂錛孞VM鐨勯偅涓祫婧愬洖鏀剁嚎紼嬪氨浼氭妸璇ュ疄渚嬩粠Heap褰撲腑娓呮鎺夈?br />
鏂囩珷鍛婅瘔鎴戯紝鍥炴敹綰跨▼瑕佸仛鍏ㄥ眬鐨勬嫻嬫潵紜畾鏌愪釜瀹炰緥鏄惁宸茬粡鈥滄棤鐢ㄢ濅簡銆傝繖鏍峰瓙錛屾垜浠彲浠ュ湪浠g爜涓婂仛浜涘伐浣滐紝鏉ョ粰鍥炴敹綰跨▼鍔犻熴?br />Test t = new Test();
聽t.someAction();
聽// all done
聽t = null;
瀹炰緥t涓嶅啀鏈夌敤鏃訛紝灝辨妸浠栫疆涓簄ull,鍛婅瘔JVM錛氫綘涓嶇敤鍦⊿tack鍜孒eap涔嬮棿鑷繁鏍¢獙鍟︼紝鎴戝凡緇忓仛濂戒簡鏍囪錛屾斁蹇冨洖鏀跺惂銆?br />
灝忕粨錛歋tack: Primitive data types(primitive types), the addresses of objects(=references).
聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 Heap:聽 objects.
鍓嶈咃細鍩烘湰綾誨瀷鍜屽疄渚嬪湴鍧錛堝紩鐢級錛屽悗鑰咃細綾誨疄渚?/font>



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鍙埍鐨凷WT錛屾棤濂堢殑Swing錛岃鍘岀殑MFC錛?/title><link>http://www.tkk7.com/murainwood/archive/2006/07/31/60925.html</link><dc:creator>murainwood</dc:creator><author>murainwood</author><pubDate>Sun, 30 Jul 2006 22:12:00 GMT</pubDate><guid>http://www.tkk7.com/murainwood/archive/2006/07/31/60925.html</guid><wfw:comment>http://www.tkk7.com/murainwood/comments/60925.html</wfw:comment><comments>http://www.tkk7.com/murainwood/archive/2006/07/31/60925.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/murainwood/comments/commentRss/60925.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/murainwood/services/trackbacks/60925.html</trackback:ping><description><![CDATA[聽 鍙戝彂鐗㈤獨錛岃嚜浠庤璁懼仛浜哠WT /JFace鐨勫鎴風搴旂敤杞歡錛屾劅瑙夎秴濂姐備紭緹庣殑浠g爜錛屾竻鏅扮殑緇撴瀯錛屽吀闆呯殑甯冨眬錛岀畝媧佺殑浜嬩歡鏈哄埗錛孲WT澶糠浜哄暒銆備笉鎰т負IBM鐨勬澃浣滐紝Java妗岄潰寮鍙戠殑鏂拌吹銆傚彲鎯滃氨鏄病浜虹敤銆備笉灝辨槸澶氫簡鍜屽鉤鍙扮浉鍏崇殑dll鏂囦歡鍜屽嚑涓狫ar璧勬簮鍖呭槢錛屾壒澶勭悊鍐欏緱鐔熸簻寰椾漢鎵嶄笉瀚岄夯鐑﹀憿錛屽挴鍜?br /><br />聽聽 Swing鍢涳紝鎬庝箞璇翠綘濂藉憿錛屼綘寰楃粨鏋勬槸寰堟竻鏅幫紝璁篗VC鐨勫垎紱繪э紝紜疄鎴戣寰楁瘮SWT鍋氬緱浼樼浜涖傚彲鏄綘鍐楅暱鐨勪唬鐮侊紝楹葷儲鐨勪簨浠剁浉搴旀満鍒訛紝鏈変簺璁╀漢涓嶄範鎯殑甯冨眬錛岀壒鍒槸濂囨殑鐣岄潰....涓嶆槸鍋惰浣狅紝鍋朵笉鎯崇悊浣犲暒銆?br />聽 <br />聽聽 Java鐨凣UI紼嬪簭鏈潵錛屾垜鏈潵灝變笉鎵撶畻娣辯┒銆傜簿閫氫竴涓猄WT錛屼簡瑙d竴涓猄wing灝卞鍟?br /><br />聽 鎵笂涓棤鍏崇殑錛孧FC錛屾垜瓚婁簡瑙d綘灝辮秺璁ㄥ帉浣狅紝瓚婃槑鐧戒綘灝辮秺鎭跺績浣犮傝繕濂斤紝褰撳垵娌℃湁璇叆姝ч旓紝鎶婁綘褰撴垚瀹濊礉錛堝弽姝f垜浼拌鍩烘湰涓嶅仛妗岄潰杞歡錛宆_^錛?img src ="http://www.tkk7.com/murainwood/aggbug/60925.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/murainwood/" target="_blank">murainwood</a> 2006-07-31 06:12 <a href="http://www.tkk7.com/murainwood/archive/2006/07/31/60925.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>璇劇▼璁捐絎旇http://www.tkk7.com/murainwood/archive/2006/07/24/59804.htmlmurainwoodmurainwoodMon, 24 Jul 2006 06:44:00 GMThttp://www.tkk7.com/murainwood/archive/2006/07/24/59804.htmlhttp://www.tkk7.com/murainwood/comments/59804.htmlhttp://www.tkk7.com/murainwood/archive/2006/07/24/59804.html#Feedback0http://www.tkk7.com/murainwood/comments/commentRss/59804.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/59804.html聽聽聽 欏圭洰絎簩闃舵錛岀鐞嗗鎴風鍜岀鐞嗘湇鍔″櫒銆傛灦鏋凜/S,鎶鏈疪MI
聽聽聽 浠婂ぉ涓婂崍鍋氫簡涓涓畝鍗曠殑嫻嬭瘯緋葷粺錛岀敤鏉ユ祴璇曞墠涓ゅぉ鎵緙栧啓鐨勬瀯浠訛細鍐欎簡涓榪滅▼鏈嶅姟鍣紝涓涓懡浠よ瀹㈡埛绔侽K錛岀紪璇戞椂涔熸病鍑洪敊銆?br />聽聽聽 鐒惰岃繍琛岃搗鏉ワ紝鍙曠殑浜嬫儏鍙戠敓浜嗭細鍏堝墠鍐欑殑瀹炰綋綾繪棤娉曚紶閫佺粰瀹㈡埛绔傜▼搴忔姏鍑轟簡寮傚父銆備粩緇嗚瀵燂紝鍙戠幇鏄駭鐢熶簡瀵硅薄鏃犳硶搴忓垪鍖栫殑IO寮傚父銆?br />聽聽聽 RMI搴曞眰閫氳繃TCP鍗忚榪涜閫氳錛孫bjectInputStream鍜孫bjectOutputStream鏉ヨ礋璐e璞$殑杈撳叆鍜岃緭鍑恒傚疄鍦ㄦ槸涓嶆槑鐧斤紝浠ュ墠鍋歊MI緋葷粺瀹為獙鐨勬椂鍊欙紝鏍規湰娌¢亣鍒拌繖縐嶅簭鍒楀寲寮傚父錛氫紶String灝變紶String錛屼紶Vector灝變紶Vector銆?br />聽聽 鐚滄兂搴旇鏄垜鍐欑殑閭d簺綾繪棤娉曞簭鍒楀寲鐨勭紭鏁呫傚弬鑰冧簡API鏂囨。錛屽彂鐜拌繖涓笢瑗匡細MarshalledObject錛屽彲浠ュ鍏舵瀯閫犳柟娉曠殑瀵硅薄榪涜搴忓垪鍖栵紙璇寸┛浜嗗氨鏄彉鎴愬瓧鑺傛祦錛夈?br />聽 榪呴熸敼閫犱簡嫻嬭瘯紼嬪簭錛孫K錛岃兘絀垮璞′簡銆備絾鏄?....搴忓垪鍖栦互鍚庢棤娉曞弽搴忓垪鍖栵紒澶╋紝綾誨璞″疄渚嬪叏閮ㄥ彉鎴愪簡緇勬鏃犳剰涔夌殑瀛楄妭鏁扮粍銆?br />聽 搴旇鏈夊叾浠栫殑鍔炴硶錛孲UN鐨凧ava鏂囨。瀹炲湪涓嶈兘鍜孧SDN鐩告瘮錛屽お榪囦簬綆鍗曞暒銆?br />聽 緇忚繃3涓皬鏃剁殑璧勬枡鏌ラ槄鍜屾祴璇曪紝緇堜簬鎵懼埌浜嗙姝g‘鑰屼笖寮傚父綆鍗曠殑鏂規硶錛氬鍏堝墠鐨勪唬鐮佽繘琛岀畝鍗曠殑閲嶆瀯錛氳浠栦滑緇熺粺瀹炵幇java.io.Serializable鎺ュ彛銆傚彧鏀逛竴琛屼唬鐮侊紝鍏ㄩ儴瑙e喅錛?br />聽 ^_^



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[杞琞classpath璇﹁Вhttp://www.tkk7.com/murainwood/archive/2006/07/20/59286.htmlmurainwoodmurainwoodThu, 20 Jul 2006 12:29:00 GMThttp://www.tkk7.com/murainwood/archive/2006/07/20/59286.htmlhttp://www.tkk7.com/murainwood/comments/59286.htmlhttp://www.tkk7.com/murainwood/archive/2006/07/20/59286.html#Feedback0http://www.tkk7.com/murainwood/comments/commentRss/59286.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/59286.html璁劇疆綾昏礬寰?br />緇撴瀯
鍙氳繃瀵?JDK 宸ュ叿浣跨敤 -classpath 閫夐」錛堥閫夋柟娉曪級鎴栬緗?CLASSPATH 鐜鍙橀噺鏉ヨ緗被璺緞銆?
聽聽聽 C:> jdkTool -classpath path1;path2...
聽聽聽 C:> set CLASSPATH=path1;path2...
姣忎釜 path 浠ユ枃浠跺悕鎴栫洰褰曠粨灝撅紝璇ユ枃浠跺悕鎴栫洰褰曞彇鍐充簬灝嗙被璺緞璁劇疆鎴愪粈涔堬細
瀵逛簬鍖呭惈 .class 鏂囦歡鐨?.zip 鎴?.jar 鏂囦歡錛岃礬寰勪互 .zip 鎴?.jar 鏂囦歡鍚嶇粨灝俱?
瀵逛簬鏈懡鍚嶅寘涓殑 .class 鏂囦歡錛岃礬寰勪互鍖呭惈 .class 鏂囦歡鐨勭洰褰曠粨灝俱?
瀵逛簬宸插懡鍚嶅寘涓殑 .class 鏂囦歡錛岃礬寰勪互鍖呭惈鈥渞oot鈥濆寘錛堝畬鏁村寘鍚嶄腑鐨勭涓涓寘錛夌殑鐩綍緇撳熬銆?
鐢ㄥ垎鍙鋒潵鍒嗛殧澶氫釜欏圭洰銆備嬌鐢?set 鍛戒護鏃訛紝闇瑕佺渷鐣ョ瓑鍙蜂袱杈圭殑絀烘牸錛?錛夈傚叾涓?jdkTool 鍙互涓?java銆乯avac銆乯avadoc錛岀瓑絳夈傛湁鍏寵緇嗗垪琛紝鍙傝 JDK 寮鍙戝伐鍏楓?br />璇存槑
綾昏礬寰勫憡璇?Java 搴旂敤紼嬪簭鍘誨摢閲屾煡鎵劇涓夋柟鍜岃嚜瀹氫箟綾?-- 鍗充笉鏄?Java 鎵╁睍鎴?Java 騫沖彴涓閮ㄥ垎鐨勭被銆傚湪 JDK 1.2 涓紝JVM 鍜屽叾浠?JDK 宸ュ叿閫氳繃渚濇鎼滅儲騫沖彴搴撱佸簱鎵╁睍鍜岀被璺緞鏉ユ煡鎵劇被錛堟湁鍏蟲悳绱㈢瓥鐣ョ殑璇︾粏淇℃伅錛屽弬瑙佸浣曟煡鎵劇被錛夈?
澶氭暟搴旂敤紼嬪簭鐨勭被搴撻兘浼氬厖鍒嗗埄鐢ㄦ墿灞曟満鍒躲傚洜姝わ紝鍙湁鎯寵鍔犺澆鏌愪釜綾誨簱 (a) 鏈綅浜庡綋鍓嶇洰褰曟垨鍏跺垎鏋濆寘涓?涓?(b) 鏈綅浜庢墿灞曟満鍒舵墍鎸囧畾鐨勪綅緗椂錛屾墠闇璁劇疆綾昏礬寰勩?

濡傛灉鐢ㄦ埛鏄粠鏃х増鏈?JDK 鍗囩駭鑰屾潵錛屽垯鍚姩璁劇疆鍙兘鍖呮嫭涓嶅啀闇瑕佺殑 CLASSPATH 璁劇疆銆傝繖鏃跺簲璇ュ垹闄や換浣曢潪搴旂敤紼嬪簭鐗瑰畾鐨勮緗傛湁浜涗嬌鐢?Java 铏氭嫙鏈虹殑絎笁鏂瑰簲鐢ㄧ▼搴忓彲鑳戒慨鏀?CLASSPATH 鐜鍙橀噺浠ュ寘鎷畠浠嬌鐢ㄧ殑綾誨簱銆傝繖縐嶈緗彲浠ヤ繚鐣欍?

鍙氳繃鍦ㄨ皟鐢?JVM 鎴栧叾浠?JDK 宸ュ叿鏃朵嬌鐢?Java 宸ュ叿鐨?-classpath 閫夐」鏀瑰彉綾昏礬寰勶紙渚嬪錛?java -classpath ...錛夈傝繖鏄敼鍙樼被璺緞鐨勯閫夋柟娉曘傝繕鍙氳繃浣跨敤 CLASSPATH 鐜鍙橀噺鏀瑰彉綾昏礬寰勩?

娉ㄦ剰錛欽DK 1.2 緙虹渷綾昏礬寰勬槸褰撳墠鐩綍銆傝緗?CLASSPATH 鍙橀噺鎴栦嬌鐢?-classpath 鍛戒護琛屽紑鍏沖皢瑕嗙洊緙虹渷鍊鹼紝鍥犺屽鏋滄兂瑕佸湪鎼滅儲璺緞涓寘鎷綋鍓嶇洰褰曪紝鍒欏繀欏誨湪鏂拌緗腑鍖呮嫭鈥?鈥濄?br />綾誨彲浠ュ瓨鍌ㄥ湪鐩綍錛堟枃浠跺す錛夋垨褰掓。鏂囦歡錛堜緥濡?classes.zip 鎴?classes.jar錛変腑銆傛湁鍏沖綊妗f枃浠剁殑璇︾粏淇℃伅鍜岀被璺緞鐨勫伐浣滃師鐞嗭紝鍙傝鏈枃妗f渶鍚庣殑鐞嗚В綾昏礬寰勫拰鍖呭悕銆?

閲嶈璇存槑錛欽DK 鏃х増鏈湪緙虹渷綾昏礬寰勪腑榪樺寘鎷?<jdk-dir>/classes 欏廣傝鐩綍浠呬緵 JDK 浣跨敤錛屼笖涓嶇敤浜庡簲鐢ㄧ▼搴忕被銆傚簲鐢ㄧ▼搴忕被搴旇鏀劇疆鍦?JDK 澶栭儴鐨勭洰褰曘傝繖鏍鳳紝瀹夎鏂?JDK 鏃朵笉蹇呴渶瑕侀噸鏂板畨瑁呭簲鐢ㄧ▼搴忓簱銆備負浜嗕笌鏃х増鏈殑鍏煎鎬э紝浣跨敤 <jdk-dir>/classes 鐩綍浣滀負綾誨簱鐨勫簲鐢ㄧ▼搴忓湪褰撳墠鐗堟湰涓粛鑳借繍琛岋紝浣嗕笉鑳戒繚璇佸湪浠ュ悗鐨勭増鏈腑瀹冧滑榪樿兘榪愯銆?
浣跨敤 Java 宸ュ叿鐨?-classpath 閫夐」
Java 宸ュ叿 java銆乯db銆乯avac 鍜?javah 鍏鋒湁 -classpath 閫夐」錛屽湪宸ュ叿榪愯鏃跺畠灝嗗彇浠g己鐪佺被璺緞鎴栫敱 CLASSPATH 鐜鍙橀噺鎵鎸囧畾鐨勭被璺緞銆傝繖鏄敼鍙樼被璺緞璁劇疆鐨勬帹鑽愭柟娉曪紝鍥犱負榪欐牱姣忎釜搴旂敤紼嬪簭鍙叿鏈夊畠鎵闇鐨勭被璺緞鑰屽張涓嶄細騫叉壈鍏朵粬搴旂敤紼嬪簭銆?
榪愯鏃跺伐鍏?java 鍜?jdb 榪樺叿鏈?-cp 閫夐」銆傝閫夐」鏄?-classpath 鐨勭緝鍐欍?

瀵逛簬闈炲父鐗規畩鐨勬儏鍐碉紝java 鍜?javac 閮藉叿鏈夊紑鍏籌紝浣垮緱鍙敼鍙樺畠浠嬌鐢ㄧ殑璺緞浠ユ煡鎵懼畠浠嚜宸辯殑綾誨簱銆備絾鏄紝緇濆ぇ澶氭暟鐢ㄦ埛浠庢潵閮戒笉浼氱敤鍒拌繖浜涘紑鍏熾?/p>

浣跨敤 CLASSPATH 鐜鍙橀噺
濡傚墠涓鑺備腑鎵榪幫紝涓鑸敤鎴峰皢鎯寵浣跨敤 -classpath 鍛戒護琛岄夐」銆傛湰鑺傚皢浠嬬粛濡備綍璁劇疆 CLASSPATH 鐜鍙橀噺鎴栨竻闄や互鍓嶅畨瑁呴仐鐣欎笅鐨勮緗?
璁劇疆 CLASSPATH
鍦?DOS 鎻愮ず絎︿笅錛屽彲鐢?set 鍛戒護淇敼 CLASSPATH 鐜鍙橀噺銆傚叾鏍煎紡涓猴細
聽聽 set CLASSPATH=path1;path2 ...
璺緞搴旇浠ユ寚瀹氶┍鍔ㄥ櫒鐨勫瓧姣嶅紑澶達紝渚嬪 C:\...銆傝繖鏍鳳紝鍦ㄥ伓鐒跺垏鎹㈠埌涓嶅悓椹卞姩鍣ㄦ椂浠嶅彲鎵懼埌綾伙紙渚嬪錛屽鏋滆礬寰勯」浠?\... 寮澶達紝騫朵笖褰撳墠浣嶄簬椹卞姩鍣?D: 涓婏紝鍒欐墍闇鐨勭被灝嗗湪 D: 鑰屼笉鏄?C: 椹卞姩鍣ㄤ笂鎵撅級銆?
娓呴櫎 CLASSPATH
濡傛灉 CLASSPATH 鐜鍙橀噺琚緗垚涓嶆紜殑鍊鹼紝鎴栧惎鍔ㄦ枃浠舵垨鑴氭湰紼嬪簭璁劇疆浜嗕笉姝g‘璺緞錛屽垯鍙氳繃浣跨敤涓嬪垪鍛戒護娓呴櫎 CLASSPATH錛?
聽 C:> set CLASSPATH=
璇ュ懡浠や粎娓呴櫎褰撳墠浼氳瘽鐨?CLASSPATH銆傝紜繚鍦ㄤ互鍚庣殑浼氳瘽涓叿鏈夋紜殑 CLASSPATH 璁劇疆錛屽垯搴旇鍒犻櫎鎴栦慨鏀瑰惎鍔ㄨ緗?
鏇存敼鍚姩璁劇疆
濡傛灉鍦ㄧ郴緇熷惎鍔ㄦ椂璁劇疆 CLASSPATH 鍙橀噺錛屽垯鏌ユ壘瀹冪殑浣嶇疆鍙栧喅浜庢墍浣跨敤鐨勬搷浣滅郴緇燂細
聽 鎿嶄綔緋葷粺 鏂規硶
Windows 98 鍜?
Windows 95 媯鏌?autoexec.bat 鏂囦歡涓殑 set 鍛戒護銆?
Windows NT 鍚姩鈥滄帶鍒墮潰鏉庫濓紝閫夋嫨鈥滅郴緇熲濓紝鍗曞嚮鈥滅幆澧冣濋夐」鍗★紝騫跺湪鈥滅敤鎴峰彉閲忊濋儴鍒嗕腑錛屾鏌?CLASSPATH 鍙橀噺銆?

鐞嗚В綾昏礬寰勫拰鍖呭悕
Java 綾昏緇勭粐鎴愬寘錛岃岃繖浜涘寘琚槧灝勫埌鏂囦歡緋葷粺涓殑鐩綍銆備絾鏄笌鏂囦歡緋葷粺涓嶅悓鐨勬槸錛屾棤璁轟綍鏃舵寚瀹氬寘鍚嶏紝閮藉簲鎸囧畾瀹屾暣鍖呭悕 -- 姘歌繙涓嶈浠呮寚瀹氬畠鐨勪竴閮ㄥ垎銆備緥濡傦紝java.awt.Button 鐨勫寘鍚嶆繪槸搴旀寚瀹氫負 java.awt銆?
渚嬪錛屽亣瀹氭兂瑕?Java 榪愯鐜鍦ㄥ寘 utility.myapp 涓煡鎵懼悕涓?Cool.class 鐨勭被銆傚鏋滆鐩綍鐨勮礬寰勪負 C:\java\MyClasses\utility\myapp錛屽垯搴旇灝嗙被璺緞璁劇疆鎴愬寘鍚?C:\java\MyClasses銆?

瑕佽繍琛岃搴旂敤紼嬪簭錛屽彲浣跨敤涓嬭堪 JVM 鍛戒護錛?

C:>聽 java -classpath C:\java\MyClasses utility.myapp.Cool
褰撹搴旂敤紼嬪簭榪愯鏃訛紝JVM 浣跨敤綾昏礬寰勮緗煡鎵懼湪 utility.myapp 鍖呬腑瀹氫箟鐨勪換浣曞叾浠栫被銆?
娉ㄦ剰錛氬簲鍦ㄥ懡浠や腑鎸囧畾瀹屾暣鍖呭悕銆備緥濡傦紝璁劇疆綾昏礬寰勫寘鍚?C:\java\MyClasses\utility 騫朵嬌鐢ㄥ懡浠?java myapp.Cool 鏄笉鍙兘鐨勶紝鍥犱負榪欐壘涓嶅埌璇ョ被銆?

錛堟偍鍙兘鎯崇煡閬撶敤浠涔堝畾涔夌被鐨勫寘鍚嶃傜瓟妗堟槸錛氬寘鍚嶆槸綾葷殑涓閮ㄥ垎錛屽茍涓斾笉鑳戒慨鏀癸紝闄ら潪閲嶆柊緙栬瘧璇ョ被銆傦級

娉ㄦ剰錛氬寘瑙勮寖鏈哄埗涓涓湁瓚g殑緇撴灉鏄紝灞炰簬鐩稿悓鍖呯殑澶氫釜鏂囦歡瀹為檯涓婂彲瀛樺湪浜庝笉鍚岀殑鐩綍涓傚浜庢瘡涓被錛屽寘鍚嶉兘鏄浉鍚岀殑錛屼絾鏄瘡涓枃浠剁殑璺緞鍙粠綾昏礬寰勪腑鐨勪笉鍚岀洰褰曞紑濮嬨?br />鏂囦歡澶瑰拰褰掓。鏂囦歡
褰撶被瀛樺偍鍦ㄧ洰褰曪紙鏂囦歡澶癸級涓椂錛屼緥濡?c:\java\MyClasses\utility\myapp錛屽垯綾昏礬寰勯」鎸囧悜鍖呭惈鍖呭悕絎竴涓厓绱犵殑鐩綍錛堝湪榪欓噷涓?C:\java\MyClasses錛屽洜涓哄寘鍚嶆槸 utility.myapp錛夈?
浣嗘槸褰撶被瀛樺偍鍦ㄥ綊妗f枃浠訛紙.zip 鎴?.jar 鏂囦歡錛変腑鏃訛紝綾昏礬寰勯」鍒欐槸璇?.zip 鎴?.jar 鏂囦歡鐨勮礬寰勩備緥濡傦紝瑕佷嬌鐢ㄤ綅浜?.jar 鏂囦歡涓殑綾誨簱錛屽垯鍛戒護搴旇綾諱技涓嬭堪褰㈠紡錛?

聽聽 java -classpath C:\java\MyClasses\myclasses.jar utility.myapp.Cool
澶氶噸鎸囧畾
瑕佸湪鐩綍 C:\java\MyClasses 鍜?C:\java\OtherClasses 涓煡鎵劇被鏂囦歡錛屽垯鍙皢綾昏礬寰勮緗負錛?
聽聽 java -classpath C:\java\MyClasses;C:\java\OtherClasses ...
娉ㄦ剰涓や釜璺緞涔嬮棿鐢ㄥ垎鍙峰垎闅斻?
鎸囧畾嬈″簭
鎸囧畾澶氫釜綾昏礬寰勯」鐨勬搴忔槸鐩稿綋閲嶈鐨勩侸ava 瑙i噴鍣ㄥ皢鎸夌収鐩綍鍦ㄧ被璺緞鍙橀噺涓殑嬈″簭鍦ㄥ悇涓洰褰曚腑鏌ユ壘綾匯傚湪涓婁緥涓紝Java 瑙i噴鍣ㄩ鍏堝湪鐩綍 C:\java\MyClasses 涓煡鎵鵑渶瑕佺殑綾匯傚彧鏈夊綋瀹冨湪璇ョ洰褰曚腑娌℃湁鎵懼埌璇ョ被鏃訛紝瑙i噴鍣ㄦ墠鑳藉埌 C:\java\OtherClasses 鐩綍涓煡鎵?/p>

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鏈夋劅浜庤鍧涗笂鍏充簬J錛冪殑璁ㄨhttp://www.tkk7.com/murainwood/archive/2006/05/30/48868.htmlmurainwoodmurainwoodMon, 29 May 2006 23:43:00 GMThttp://www.tkk7.com/murainwood/archive/2006/05/30/48868.htmlhttp://www.tkk7.com/murainwood/comments/48868.htmlhttp://www.tkk7.com/murainwood/archive/2006/05/30/48868.html#Feedback1http://www.tkk7.com/murainwood/comments/commentRss/48868.htmlhttp://www.tkk7.com/murainwood/services/trackbacks/48868.html聽聽 鍓嶄簺澶╅涜鍧涳紝鍋惰涓緹や漢鍦ㄨ璁篔錛冪殑鍓嶉旈棶棰橈紝寰堝浜鴻閭d笢瑗庫滄牴鏈笉濡侰錛冣濓紝鈥滅敋鑷寵繕涓嶅VB銆侼ET鈥濄傛垜鐨勬兂娉曟槸錛氫粬浠牴鏈笉浜嗚В.NET銆?br />聽聽 J錛冪殑鐩殑鏄負浜咼ava紼嬪簭鍛樿兘榪佺Щ鍒?NET騫沖彴鑰屽紑鍙戠殑銆傛崲鑰岃█涔嬶紝J錛冩槸Java紼嬪簭鍛樺噯澶囩殑錛岃屼笉鏄垵瀛﹁呫傝瘹鐒訛紝鎴戣涓篊錛冩嫢鏈夋洿浼橀泤鐨勮娉曪紝浣嗘槸瀵逛簬.NET榪欎釜騫沖彴鏈韓鑰岃█錛屾棤璁虹敤浠涔堣璦錛堝綋鐒舵槸鍦?NET涓婄殑紼嬪簭璇█錛夛紝瀹冧滑鏈緇堥兘鏄疌LR銆俈B銆侼ET錛孋錛冿紝J錛冿紝Delphi.NET.....鍚勭璇█鐨勪紭鍔e湪宸茬粡鍙樺緱寰堜笉閲嶈浜嗭紞錛嶄綘鐔熸倝閭g錛岄偅縐嶅氨鏄渶濂界殑錛佸洜涓哄畠浠湰璐ㄤ笂鍑犱箮娌″樊鍒殑錛屾瀬绔娉曟槸,.NET 璇█浠呬粎鏄濆瑙傗滀笉鍚岀艦浜嗐?br />聽聽聽 灝辮繖鐐規潵璇達紝.NET瑕佹瘮Java鏇存湁鐏墊椿鎬э紝铏界劧鎴戞槸Java鐨勫繝瀹炶窡闅忚呫?br />聽聽聽 涓嶈繃鎴戜滑涔熺湅鍒頒簡鍏充簬Java鐨勪竴浜涙湁瓚g殑鏂伴椈錛氬幓騫村嚭鐜頒簡涓縐岼Python錛岀敤Java緲昏瘧鐨勮繍琛屼簬JVM涓婄殑鈥淧ython鈥濄傚懙鍛碉紝涓嶅Θ澶ц儐鍦扮寽嫻嬶紝鏈潵浼氬嚭鐜版洿澶氱殑"JC++","JPascal",:JBasic"錛岀敋鑷蟲槸鈥淛C錛冣濓紝閭d箞閭f椂錛孞ava浼氭洿鍍忎竴涓鉤鍙幫紝璇█鐨勭伒媧繪у皢鏇撮珮錛?img src ="http://www.tkk7.com/murainwood/aggbug/48868.html" width = "1" height = "1" />

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