鏈枃鏄疭un瀹樻柟浠log褰㈠紡鍙戝竷鐨凧ava鏍稿績(jī)鎶鏈獚闂?JavaCoreTechTip)涓殑涓綃?/a>錛屽畠浠ラ潪甯哥畝媧佺殑紺轟緥灞曠ず浜?jiǎn)娉涘瀷閫氶厤絎︾殑浣跨敤錛屽垵瀛ava娉涘瀷鐨勬湅鍙嬪彲浠ョ湅鐪嬨?2009.12.30鏈鍚庢洿鏂?
Java2騫沖彴錛屾爣鍑嗙増5.0(J2SE 5.0)涓篔ava紼嬪簭璁捐璇█鍙?qiáng)鍏厄q沖彴寮曞叆浜?jiǎn)娉涘瀷銆傚湪鏈綆鍗曠殑妗堜緥鍜屽吀鍨嬬殑搴旂敤涓紝娉涘瀷鑳藉璇嗗埆闆嗗悎瀹瑰櫒涓墍瀛樺偍鐨勬槸鍚︽槸浣犳墍鏈熸湜鐨勫璞°傛墍浠ワ紝浣犲彲浠ョ壒鍒浣犳湁涓涓猄tring鎴栧叾瀹冪被鍨嬪璞＄殑List錛岃屼笉鏄０縐頒綘鐨勭▼搴忔湁涓涓狾bject鐨凩ist銆傛墍浠ワ紝濡傛灉浣犱笉灝忓績(jī)鍚戣List涓姞鍏ヤ簡(jiǎn)閿欒綾誨瀷鐨勫璞★紝緙栬瘧鍣ㄤ細(xì)鍛婁箣浣犺繖涓敊璇傝閿欒灝嗗湪緙栬瘧鏃惰繘琛屼慨澶嶏紝鑰屼笉鐢ㄧ瓑鍒頒綘榪愯璇ョ▼搴忥紝涓斿湪紼嬪簭榪愯鍒拌澶勪唬鐮佹椂錛屽湪鑾峰彇瀵硅薄鐨勬搷浣滀腑浜х敓涓涓繍琛屾椂鐨勫己鍒剁被鍨嬭漿鎹㈠紓甯搞?br /> 榪欏氨鎻愬嚭浜?jiǎn)娉涘瀷鐨劷W簩涓ソ澶勩傝凱浠ｅ櫒灝嗗彉寰楃被鍨嬪畨鍏ㄤ簡(jiǎn)銆侷terator鎺ュ彛涓殑next()鏂規(guī)硶灝嗕細(xì)榪斿洖闆嗗悎涓笅涓涓厓绱犵殑綾誨瀷瀹夊叏鐗堟湰銆?br /> 浣嗚繖騫朵笉鏄湰鏂囪浠嬬粛鐨勬硾鍨嬪簲鐢ㄧ殑紿嶉棬錛岄偅浜涚獚闂ㄥ凡鐢?a >2005 Core Java Technologies Tip鎻忚堪榪囦簡(jiǎn)銆傚湪浣跨敤娉涘瀷鏃訛紝澶у鏁頒漢閮戒笉鑳藉緢濂藉湴鐞嗚В瀵筫xtends鍏抽敭瀛楃殑浣跨敤銆備竴涓吀鍨嬬殑鎻忚堪濡備綍浣跨敤extends鍏抽敭瀛楃殑紺轟緥涓庣粯鍒跺浘褰㈡湁鍏熾備笌鍏朵笉鍚岀殑鏄紝姝ゅ紿嶉棬鎵鐢ㄧ殑紺轟緥灝嗕嬌鐢⊿wing緇勪歡錛屼互渚夸綘涓嶅繀鍒涘緩棰濆鐨勬柊綾匯傚湪涓涓潪甯告湁闄愮殑渚嬪瓙涓紝Swing鎸夐挳緇勪歡鐨勭被灞傛緇撴瀯濡備笅鎵紺猴紝褰撶劧錛孫bject鏄疄闄呬笂鐨勬牴銆?br />
Component
|- Container
|- JComponent
|- AbstractButton
|- JButton
|- JMenuItem
|- JCheckBoxMenuItem
|- JMenu
|- JRadioButtonMenuItem
|- JToggleButton
|- JCheckBox
|- JRadioButton
|- Container
|- JComponent
|- AbstractButton
|- JButton
|- JMenuItem
|- JCheckBoxMenuItem
|- JMenu
|- JRadioButtonMenuItem
|- JToggleButton
|- JCheckBox
|- JRadioButton
鎵鏈堿bstractButton鐨勫瓙綾婚兘鍏卞悓浜湁鐨勪竴涓笢瑗垮氨鏄柟娉昰etText銆傝繖灝辨槸娉涘瀷鐨勭簿楂擄紝浣犺兘瀹氫箟涓涓柟娉曞幓澶勭悊浠bstractButton涓哄厓绱犵殑List錛屽茍榪斿洖榪欎簺鎸夐挳鐨凷tring綾誨瀷鐨勬爣絳劇殑List銆備笅闈㈡槸璇ユ柟娉曠殑絎竴涓増鏈細(xì)
public static List<String> getLabels(List<AbstractButton> list) {
List<String> labelList = new ArrayList<String>(list.size());
for (AbstractButton button: list) {
labelList.add(button.getText());
}
return labelList;
}
List<String> labelList = new ArrayList<String>(list.size());
for (AbstractButton button: list) {
labelList.add(button.getText());
}
return labelList;
}
涓嬮潰灝辨槸濡備綍浣跨敤璇ユ柟娉曘傞鍏堬紝瀹氫箟涓涓狝bstractButton綾誨瀷鐨凩ist錛岀劧鍚庡悜鍏朵腑濉厖鍊鹼紝騫惰皟鐢ㄨ鏂規(guī)硶錛?br />
List<AbstractButton> buttonList = new ArrayList<AbstractButton>();
buttonList.add(new JButton("Hello"));
buttonList.add(new JCheckBox("World"));
buttonList.add(new JRadioButton("Hola"));
buttonList.add(new JMenuItem("Mundo"));
List labels = getLabels(buttonList);
System.out.println(labels);
buttonList.add(new JButton("Hello"));
buttonList.add(new JCheckBox("World"));
buttonList.add(new JRadioButton("Hola"));
buttonList.add(new JMenuItem("Mundo"));
List labels = getLabels(buttonList);
System.out.println(labels);
鏍規(guī)嵁Google錛?Hola, Mundo"鏄?Hello, World"鐨勮タ鐝墮璇戞枃銆傝皟鐢╬rintln()鏂規(guī)硶鐨勭粨鏋滃涓嬫墍紺猴細(xì)
[Hello, World, Hola, Mundo]
瀵逛簬AbstractButton鐨?span style="font-family: Courier;">List瀵硅薄錛屼竴鍒囬兘鑳芥甯歌繍琛岋紝浣嗗綋鏄叾瀹冪被鍨嬶紝鐗瑰埆鏄疉bstractButton瀛愮被鍨嬬殑List鏃訛紝灝變笉鑳芥甯稿伐浣滀簡(jiǎn)銆備粠閫昏緫涓婏紝鏈変漢鍙兘璁や負(fù)瀵逛簬浠Button涓哄厓绱犵殑List錛屼竴鍒囦粛鑳芥甯稿伐浣溿傚洜涓篔Button鏄疉bstractButton鐨勫瓙綾匯傞毦閬撲笉鑳藉AbstractButton瀛愮被鍨嬬殑List璋冪敤鏂規(guī)硶getLabels(List<AbstractButton>)錛?br /> 鐒惰岋紝浜嬪疄騫墮潪濡傛銆傚洜涓鴻繖鏄竴涓紪璇戞椂媯(gè)鏌ワ紝鍚屾椂涔熷洜涓篻etLabels鏂規(guī)硶琚畾涔変負(fù)鍙帴鍙桝bstractButton鐨凩ist錛屼綘涓嶈兘鍚戣鏂規(guī)硶涓紶鍏ヤ換浣曞叾瀹冪被鍨嬬殑List銆?br />
GetList.java:13: getLabels(java.util.List<javax.swing.AbstractButton>)
in GetList cannot be applied to (java.util.List<javax.swing.JButton>)
List<String> labels = getLabels(buttonList);
^
1 error
in GetList cannot be applied to (java.util.List<javax.swing.JButton>)
List<String> labels = getLabels(buttonList);
^
1 error
榪欎篃灝辨槸extends鍏抽敭瀛楀彂鎸ヤ綔鐢ㄧ殑鍦版柟浜?jiǎn)銆備笉灝?span style="font-family: Courier;">getLabes鏂規(guī)硶瀹氫箟涓轟粎浠呮帴鍙?span style="font-family: Courier;">AbstractButton List錛岃屾槸灝嗗畠瀹氫箟涓烘帴鍙?span style="font-family: Courier;">AbstractButton瀛愮被鐨?span style="font-family: Courier;">List錛?br />
public static List<String> getLabels(
List<? extends AbstractButton> list)
List<? extends AbstractButton> list)
姝ゅ鐨勯氶厤絎?琛ㄦ槑璇ユ柟娉曞茍涓嶅叧蹇?jī)纭垏鐨劸c誨瀷鏄粈涔堬紝鍙瀹冩槸AbstractButton鐨勫瓙綾誨瀷鍗沖彲銆備笅闈㈡槸緇煎悎浜?jiǎn)鍓崢q版墍鏈変唬鐮佺墖鏂殑瀹屾暣紺轟緥紼嬪簭錛?br />
import java.util.*;
import javax.swing.*;
public class GetList {
public static void main(String args[]) {
List<JButton> buttonList =
new ArrayList<JButton>();
buttonList.add(new JButton("Hello"));
buttonList.add(new JButton("World"));
buttonList.add(new JButton("Hola"));
buttonList.add(new JButton("Mundo"));
List labels = getLabels(buttonList);
System.out.println(labels);
}
public static List<String> getLabels(
List<? extends AbstractButton> list) {
List<String> labelList = new ArrayList<String>(list.size());
for (AbstractButton button: list) {
labelList.add(button.getText());
}
return labelList;
}
}
import javax.swing.*;
public class GetList {
public static void main(String args[]) {
List<JButton> buttonList =
new ArrayList<JButton>();
buttonList.add(new JButton("Hello"));
buttonList.add(new JButton("World"));
buttonList.add(new JButton("Hola"));
buttonList.add(new JButton("Mundo"));
List labels = getLabels(buttonList);
System.out.println(labels);
}
public static List<String> getLabels(
List<? extends AbstractButton> list) {
List<String> labelList = new ArrayList<String>(list.size());
for (AbstractButton button: list) {
labelList.add(button.getText());
}
return labelList;
}
}
鐜板湪錛屽綋浣犺鐢ㄦ硾鍨嬫潵瀹氫箟浣犺嚜宸辯殑綾誨拰鏂規(guī)硶鏃訛紝灝辮鑰冭檻鎺ュ彈浣滀負(fù)娉涘瀷鍙傛暟鐨勬娊璞＄被錛屾垨瀹冪殑浠諱竴瓚呯被錛岃寰椾嬌鐢ㄩ氶厤絎︿互渚跨浉鍚岀殑鏂規(guī)硶瀵逛簬瀛愮被涔熻兘寰堝ソ鍦板伐浣溿?br /> 鏇村鍏充簬娉涘瀷鐨勪俊鎭紝璇瘋涓ょ瘒杈冩棭鍓嶇敱Gilad Bracha鎾板啓鐨勬暀紼嬶細(xì)涓綃囨槸2004騫寸殑鏁欑▼(PDF)錛屽彟涓綃囨槸鍦ㄧ嚎鐨?a >Java Tutorial涓殑娉涘瀷绔犺妭銆?br />
]]>
鏈枃鏄疭un瀹樻柟浠log褰㈠紡鍙戝竷鐨凧ava鏍稿績(jī)鎶鏈獚闂?JavaCoreTechTip)涓殑涓涓傛湰鏂囦富瑕佷粙緇嶄簡(jiǎn)Callable鍙?qiáng)鍏剁浉鍏虫帴鍙ｅ拰绫荤殑鋴社敤锛尳媷骞呬笉闀夸笖鏄撲簬鐞嗚В锛屾晠缈昏瘧鍦ㄤ簡(jiǎn)姝ゅ锛岀涙俊瀵逛簬鍑嗗鎴栧垰鎺ヨЕjava.util.concurrent鐨勬湅鍙嬩細(xì)鏈夋墍甯姪銆?2008.05.31鏈鍚庢洿鏂?
鑷粠Java騫沖彴鐨勬渶寮濮嬶紝Runnable鎺ュ彛灝卞凡瀛樺湪浜?jiǎn)銆傚畠鍏佽浣犲畾涔変竴涓彲鐢辯嚎紼嬪畬鎴愮殑浠誨姟銆傚澶у鏁頒漢鎵宸茬煡鐨勯偅鏍鳳紝瀹冨彧鎻愪緵浜?jiǎn)涓涓猺un鏂規(guī)硶錛岃鏂規(guī)硶鏃笉鎺ュ彈浠諱綍鍙傛暟錛屼篃涓嶈繑鍥炰換浣曞箋傚鏋滀綘闇瑕佷粠涓涓湭瀹屾垚鐨勪換鍔′腑榪斿洖涓涓鹼紝浣犲氨蹇呴』鍦ㄨ鎺ュ彛涔嬪浣跨敤涓涓柟娉曞幓絳夊緟璇ヤ換鍔″畬鎴愭椂閫氭姤鐨勬煇縐嶆秷鎭備緥濡傦紝涓嬮潰鐨勭ず渚嬪氨鏄綘鍦ㄨ繖縐嶆儏鏅笅鍙兘鍋氱殑浜嬫儏錛?br /> Runnable runnable = ...;
Thread t = new Thread(runnable);
t.start();
t.join();
String value = someMethodtoGetSavedValue()
涓ユ牸鏉ヨ錛屼笂榪頒唬鐮佸茍鏃犻敊璇紝浣嗙幇鍦ㄥ彲鐢ㄤ笉鍚岀殑鏂規(guī)硶鍘誨仛錛岃繖瑕佹劅璋2SE 5.0寮曞叆鐨凜allable鎺ュ彛銆備笉鍚屼簬Runnable鎺ュ彛鎷ユ湁run鏂規(guī)硶錛孋allable鎺ュ彛鎻愪緵鐨勬槸call鏂規(guī)硶錛岃鏂規(guī)硶鍙互榪斿洖涓涓狾bject瀵硅薄錛屾垨鍙繑鍥炰換浣曚竴涓湪娉涘瀷鍖栨牸寮忎腑瀹氫箟浜?jiǎn)鐨勭壒瀹毦c誨瀷鐨勫璞°?br /> public interface Callable<V> {
V call() throws Exception;
}
鍥犱負(fù)浣犱笉鍙兘鎶奀allable瀵硅薄浼犲埌Thread瀵硅薄鍘繪墽琛岋紝浣犲彲鎹㈢敤ExecutorService瀵硅薄鍘繪墽琛孋allable瀵硅薄銆傝鏈嶅姟鎺ュ彈Callable瀵硅薄錛屽茍緇忕敱submit鏂規(guī)硶鍘繪墽琛屽畠銆?br /> <T> Future<T> submit(Callable<T> task)
濡傝鏂規(guī)硶鐨勫畾涔夋墍紺猴紝鎻愪氦涓涓狢allable瀵硅薄緇橢xecutorService浼?xì)杩斿洖涓涓狥uture瀵硅薄銆傜劧鍚庯紝Future鐨刧et鏂規(guī)硶灝嗕細(xì)闃誨錛岀洿鍒頒換鍔″畬鎴愩?br /> 涓轟簡(jiǎn)璇佹槑榪欎竴鐐癸紝涓嬮潰鐨勪緥瀛愪負(fù)鍛戒護(hù)琛屼腑鐨勬瘡涓瘝閮藉垱寤轟竴涓崟鐙殑Callable瀹炰緥錛岀劧鍚庢妸榪欎簺璇嶇殑闀垮害鍔犺搗鏉ャ傚悇涓狢allable瀵硅薄灝嗗彧鏄綆楀畠鑷繁鐨勮瘝鐨勯暱搴︿箣鍜屻侳utures瀵硅薄鐨凷et闆嗗悎灝嗚淇濆瓨?shù)互渚夸粠涓幏寰楄绠楃敤鐨勫箋傚鏋滈渶瑕佷繚鎸佽繑鍥炲肩殑欏哄簭錛屽垯鍙崲鐢ㄤ竴涓狶ist瀵硅薄銆?/span>
import java.util.*;
import java.util.concurrent.*;
public class CallableExample {
public static class WordLengthCallable
implements Callable {
private String word;
public WordLengthCallable(String word) {
this.word = word;
}
public Integer call() {
return Integer.valueOf(word.length());
}
}
public static void main(String args[]) throws Exception {
ExecutorService pool = Executors.newFixedThreadPool(3);
Set<Future<Integer>> set = new HashSet<Future≶Integer>>();
for (String word: args) {
Callable<Integer> callable = new WordLengthCallable(word);
Future<Integer> future = pool.submit(callable);
set.add(future);
}
int sum = 0;
for (Future<Integer> future : set) {
sum += future.get();
}
System.out.printf("The sum of lengths is %s%n", sum);
System.exit(sum);
}
}
WordLengthCallable淇濆瓨?shù)簡(jiǎn)姣忎釜璇嶒q朵嬌鐢ㄨ璇嶇殑闀垮害浣滀負(fù)call鏂規(guī)硶鐨勮繑鍥炲箋傝繖涓煎彲鑳戒細(xì)鑺辯偣鍎挎椂闂村幓鐢熸垚錛屼笉榪囧湪榪欎釜渚嬪瓙涓紝鍙互绔嬪嵆鐭ラ亾瀹冦?call鏂規(guī)硶鐨勫敮涓瑕佹眰鏄繖涓艱鍦╟all鏂規(guī)硶鐨勭粨灝懼榪斿洖銆傚綋Future鐨刧et鏂規(guī)硶紼嶅悗琚皟鐢ㄦ椂錛屽鏋滀換鍔¤繍琛屽緱寰堝揩鐨勮瘽錛孎uture灝嗕細(xì)鑷姩寰楀埌榪欎釜鍊?濡傚悓鏈緥鐨勬儏鍐?錛屽惁鍒欏皢涓鐩寸瓑鍒拌鍊肩敓鎴愬畬姣曚負(fù)姝€傚嬈¤皟鐢╣et鏂規(guī)硶涓嶄細(xì)瀵艱嚧浠誨姟浠庤綰跨▼榪斿洖銆傚洜涓鴻紼嬪簭鐨勭洰鐨勬槸璁″垝鎵鏈夊瓧鐨勯暱搴︿箣鍜岋紝瀹冧笉浼?xì)寮轰护Callable浠誨姟緇撴潫銆傚鏋滄渶鍚庝竴涓換鍔″湪鍓嶄笁涓換鍔′箣鍓嶅畬鎴愶紝涔熸槸娌￠敊鐨勩傚Future鐨刧et鏂規(guī)硶鐨勭涓嬈¤皟鐢ㄥ皢鍙細(xì)絳夊緟Set涓涓涓換鍔＄粨鏉燂紝鑰屼笉浼?xì)闃诲鍏跺畠鐨勪徽d姟鍒嗗埆鎵ц瀹屾瘯銆傚畠鍙細(xì)絳夊緟褰撴綰跨▼鎴栦換鍔＄粨鏉熴傝繖涓壒瀹氱殑渚嬪瓙浣跨敤鍥哄畾鏁扮嚎紼嬫睜鏉ヤ駭鐢烢xecutorService瀵硅薄錛屼絾鍏跺畠鏈夋晥鐨勬柟娉曚篃鏄彲琛岀殑銆?br />
鍏充簬鎵ц鍣ㄥ拰綰跨▼姹犵敤娉曠殑鏇村淇℃伅錛岃瑙丣ava Tutorial涓?a >Executors涓鑺傘係wingWorker綾繪槸鍙︿竴涓嬌鐢‵uture鐨凴unnable瀵硅薄鐨勪緥瀛愶紝灝界鏈変簺寰笉鍚屼箣澶勩傛洿澶氫俊鎭瑙丣ava Tutorial涓?a >Worker Threads and SwingWorker涓鑺傘?br />
import java.util.concurrent.*;
public class CallableExample {
public static class WordLengthCallable
implements Callable {
private String word;
public WordLengthCallable(String word) {
this.word = word;
}
public Integer call() {
return Integer.valueOf(word.length());
}
}
public static void main(String args[]) throws Exception {
ExecutorService pool = Executors.newFixedThreadPool(3);
Set<Future<Integer>> set = new HashSet<Future≶Integer>>();
for (String word: args) {
Callable<Integer> callable = new WordLengthCallable(word);
Future<Integer> future = pool.submit(callable);
set.add(future);
}
int sum = 0;
for (Future<Integer> future : set) {
sum += future.get();
}
System.out.printf("The sum of lengths is %s%n", sum);
System.exit(sum);
}
}
]]>
鏈枃鏄疭un瀹樻柟浠log褰㈠紡鍙戝竷鐨凧ava鏍稿績(jī)鎶鏈獚闂?JavaCoreTechTip)涓殑涓涓傛垜涔嬪墠灝氭湭鍏蟲(chóng)敞榪噅ava.text.Collator綾伙紝鐪嬭繃Sorting Strings榪欎釜tip涔嬪悗瑙夊緱鏈変簺鎰忎箟錛屾晠緲昏瘧鍦ㄤ簡(jiǎn)姝ゅ錛屼篃甯屾湜瀵瑰叾瀹冩湅鍙嬫湁鎵鍔╃泭銆?2008.04.07鏈鍚庢洿鏂?
浣跨敤Java騫沖彴榪涜瀛楃涓叉帓搴忚璁や負(fù)鏄竴浠剁畝鍗曠殑宸ヤ綔錛屼絾涓哄浗闄呭競(jìng)鍦哄紑鍙戠▼搴忔椂錛屽垯闇瑕佹湁鏇村鐨勮冭檻銆傚鏋滀綘闄峰叆鍙叧娉ㄨ嫳璇殑蹇?jī)鎬佷腑錛屽茍璁や負(fù)浣犵殑紼嬪簭浼?xì)宸ヤ綔鐨勫緢濂藉Q屽洜涓哄畠鎵鏄劇ず鐨勫瓧絎︿覆浠庝粖寰鍚庨兘鏄竴鏍風(fēng)殑錛屼綘鍙兘璁や負(fù)涓鍒囬兘寰堟甯搞備絾涓鏃︿綘鏈変竴浣嶈タ鐝墮鐢ㄦ埛錛屼粬甯屾湜鑳藉姝ｅ父鍦板mañana榪涜鎺掑簭錛屼絾濡傛灉浣犻兘鏄嬌鐢⊿tring綾諱腑緙虹渷鐨刢ompare鏂規(guī)硶鍘誨仛鎺掑簭錛屽瓧絎?#241;灝嗕細(xì)璺熷湪瀛楃z涔嬪悗錛岃屽湪姝ｅ父鐨勮タ鐝墮璇帓搴忎腑錛?#241;搴旇鍦ㄥ瓧絎鍜宱涔嬮棿銆傝繖灝辨槸java.text鍖呯殑綾籆ollator鍙戞尌浣滅敤鐨勫湴鏂逛簡(jiǎn)銆?
鎯沖儚榪欐牱鐨勪竴緇勮瘝
- first
- mañana
- man
- many
- maxi
- next
- first
- man
- many
- maxi
- mañana
- next
榪欏氨鏄被Collator鑳芥淳涓婄敤鍦虹殑鍦版柟浜?jiǎn)銆傜被Collator鐢ㄤ簬瀵硅璦鏁忔劅鐨勬帓搴忛棶棰橈紝騫朵笉浼?xì)鍙熮Z簬瀹冧滑鐨凙SCII/Unicode瀛楃鍘誨皾璇曟帓搴忋? 浣跨敤Collator瑕佹眰浣犲湪瀹屽叏搴旂敤瀹冪殑鐗規(guī)т箣鍓嶈鐞嗚В涓涓澶栫殑灞炴э紝鍗崇О涔嬩負(fù)寮哄害(Strength)鐨勫睘鎬с侰ollator鐨勫己搴﹁緗喅瀹氫簡(jiǎn)鍦ㄦ帓搴忔椂濡備綍浣跨敤寮?鎴栧急)鍖歸厤銆? 璇ュ睘鎬ф湁4涓彲鑳界殑鍊鹼細(xì)PRIMARY錛孲ECONDARY錛孴ERTIARY鍜孖DENTICAL銆傚叿浣撴槸鍝釜寮哄害鍦ㄤ駭鐢熶綔鐢ㄥ彇鍐充簬璇█鐜銆? 鍏稿瀷鍦幫紝浼?xì)鏈夊涓嬬殑鎯呭嘃c(diǎn)傛寜浠庡悗寰鍓嶇殑欏哄簭錛孖DENTICAL寮哄害琛ㄧず鑳藉琚繘琛岀浉鍚岀殑澶勭悊鐨勫瓧絎﹀繀欏繪槸涓鑷寸殑銆俆ERTIARY閫氬父鐢ㄤ簬蹇界暐澶у皬鍐欏樊寮傘係ECONDARY鐢ㄤ簬蹇界暐鍙橀煶絎︼紝濡俷鍜?#241;銆? PRIMARY涓嶪DENTICAL鐩鎬技涔熸槸鍩轟簬瀛楁瘝涔嬮棿宸紓錛屼絾鏄綋澶勭悊鎺у埗瀛楃鍜屽彂闊蟲(chóng)椂榪樻槸鏈夋墍涓嶅悓銆傛煡鐪?code>Collator鐨刯avadoc錛? 浠ヨ幏鍙栨洿澶氬叧浜庤繖浜涘己搴︿箣闂寸殑宸紓鍙?qiáng)鍒嗚?Decomposition)妯″紡瑙勫垯鐨勪俊鎭?
涓轟簡(jiǎn)浣跨敤Collator錛屼綘闇瑕佸厛寰楀埌瀹冪殑涓涓疄渚嬨備綘鏃㈠彲浠ヨ皟鐢╣etInstance鏂規(guī)硶浠ュ緱鍒頒竴涓拡瀵歸粯璁よ璦鐜鐨凜ollator瀵硅薄錛? 涔熷彲浠ヤ紶閫掍竴涓寚瀹氱殑Locale瀵硅薄緇檊etInstance鏂規(guī)硶浠ュ緱鍒頒竴涓拡瀵圭壒瀹氳璦鐜鐨凜ollator瀵硅薄銆備緥濡傦紝涓轟簡(jiǎn)鑾峰緱閽堝涓涓タ鐝墮璇殑 Collator瀵硅薄錛屼綘搴斾嬌鐢╪ew Locale("es")鍘誨垱寤轟竴涓タ鐝墮璇殑Locale瀵硅薄錛岀劧鍚庡皢瀹冧紶鍏etInstance鏂規(guī)硶涓細(xì)
Collator esCollator =
Collator.getInstance(new Locale("es"));
鍋囪閽堝璇ヨ璦鐜鐨勯粯璁ollator寮哄害錛岄拡瀵硅タ鐝墮璇殑榛樿寮哄害鏄疭ECONDARY宸茬粡瓚沖浜?jiǎn)銆傜劧鍚庝綘灝嗚繖涓狢ollator瀵硅薄濡備換涓Comparator瀵硅薄
閭ｆ牱浼犲叆Collections綾葷殑sort鏂規(guī)硶鐨勬瘮杈冭鍒欏弬鏁頒腑錛屼互寰楀埌鎺掑簭鍚庣殑List瀵硅薄銆?br />
Collator.getInstance(new Locale("es"));
Collections.sort(list, esCollator);
鎿嶄綔涔嬪墠鐨勫崟璇嶅垪琛紝浣犵幇鍦ㄥ氨浼?xì)寰楀堫C竴涓熀浜庤タ鐝墮璇瓧姣嶈〃鐨勬伆褰撴帓搴忕粨鏋滐細(xì)
- first
- man
- many
- mañana
- maxi
- next
榪欏効鏈変竴涓畝媧佺殑渚嬪瓙浠ユ樉紺鴻繖浜涘樊寮傘? import java.awt.*;
import java.text.*;
import java.util.*;
import java.util.List; // Explicit import required
import javax.swing.*;
public class Sort {
public static void main(String args[]) {
Runnable runner = new Runnable() {
public void run() {
String words[] = {"first", "mañana", "man",
"many", "maxi", "next"};
List list = Arrays.asList(words);
JFrame frame = new JFrame("Sorting");
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
Box box = Box.createVerticalBox();
frame.setContentPane(box);
JLabel label = new JLabel("Word List:");
box.add(label);
JTextArea textArea = new JTextArea( list.toString());
box.add(textArea);
Collections.sort(list);
label = new JLabel("Sorted Word List:");
box.add(label);
textArea = new JTextArea(list.toString ());
box.add(textArea);
Collator esCollator = Collator.getInstance(new Locale("es"));
Collections.sort(list, esCollator);
label = new JLabel("Collated Word List:");
box.add(label);
textArea = new JTextArea(list.toString());
box.add(textArea);
frame.setSize(400, 200);
frame.setVisible(true);
}
};
EventQueue.invokeLater (runner);
}
}
import java.util.*;
import java.util.List; // Explicit import required
import javax.swing.*;
public class Sort {
public static void main(String args[]) {
Runnable runner = new Runnable() {
public void run() {
String words[] = {"first", "mañana", "man",
"many", "maxi", "next"};
List list = Arrays.asList(words);
JFrame frame = new JFrame("Sorting");
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
Box box = Box.createVerticalBox();
frame.setContentPane(box);
JLabel label = new JLabel("Word List:");
box.add(label);
JTextArea textArea = new JTextArea( list.toString());
box.add(textArea);
Collections.sort(list);
label = new JLabel("Sorted Word List:");
box.add(label);
textArea = new JTextArea(list.toString ());
box.add(textArea);
Collator esCollator = Collator.getInstance(new Locale("es"));
Collections.sort(list, esCollator);
label = new JLabel("Collated Word List:");
box.add(label);
textArea = new JTextArea(list.toString());
box.add(textArea);
frame.setSize(400, 200);
frame.setVisible(true);
}
};
EventQueue.invokeLater (runner);
}
}
String rule =
"< c, C < a, A < f, F < e, E";
RuleBasedCollator collator = new RuleBasedCollator(rule);
涓婅堪瑙勫垯閫氳繃灞曠ず涓嶅悓瀛楁瘝鐨勫ぇ灝忓啓瀹氫箟浜?jiǎn)鐗瑰畾鐨勫瓧姣崣搴搴忎负cafe銆傜幇鍦ㄥ鍗曡瘝鍒楄〃ace錛宑afe錛宔f鍜宖ace浣跨敤鏂扮殑瑙勫垯榪涜鎺掑簭錛?
鎺掑簭緇撴灉鐨勯『搴忎負(fù)cafe錛宎ce錛宖ace鍜宔f錛?string>"< c, C < a, A < f, F < e, E";
RuleBasedCollator collator = new RuleBasedCollator(rule);
import java.text.*;
import java.util.*;
public class Rule {
public static void main(String args[]) throws ParseException {
String words[] = {"ace", "cafe", "ef", "face"};
String rule ="< c, C < a, A < f, F < e, E";
RuleBasedCollator collator = new RuleBasedCollator(rule);
List list = Arrays.asList(words);
Collections.sort(list, collator);
System.out.println(list);
}
}
鍦ㄥ涓婅堪浠ｇ爜緙栬瘧騫惰繍琛屼箣鍚庯紝浣犲皢鐪嬪埌浣跨敤鏂拌鍒欐帓搴忓悗鐨勫崟璇嶏細(xì)import java.util.*;
public class Rule {
public static void main(String args[]) throws ParseException {
String words[] = {"ace", "cafe", "ef", "face"};
String rule ="< c, C < a, A < f, F < e, E";
RuleBasedCollator collator = new RuleBasedCollator(rule);
List list = Arrays.asList(words);
Collections.sort(list, collator);
System.out.println(list);
}
}
> javac Rule.java
> java Rule
[cafe, ace, face, ef]
璇蜂互鍚庨槄璇籎avadoc涓洿澶氱殑鍏充簬
瑙勫垯璇硶鐨勪俊鎭紝鍐嶅皾璇曟墿灞曞瓧姣嶈〃騫跺鐞嗕笉鍚岀殑鍙橀煶絎︺?br />
鐜板湪錛屽綋浣犱負(fù)鍏ㄤ笘鐣屽紑鍙?
紼嬪簭鏃訛紝浣犵殑紼嬪簭灝辮兘鍋氬嚭鏇村ソ鐨勫噯澶囦互鍘婚傚簲鏈湴鐢ㄦ埛浜?jiǎn)銆備篃瑕佺‘淇濆瓧絎︿覆鍦ㄨ祫婧愬寘涓紝濡備箣鍓嶇殑涓涓獚闂ㄦ墍灞曠ず鐨勯偅鏍鳳細(xì)Earlier tip銆?璇戞敞錛氬師鏂囧茍娌℃湁鎻愪緵榪欎釜Earlier tip鐨勬紜摼鎺ュ湴鍧銆?
> java Rule
[cafe, ace, face, ef]
]]>