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<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>3.1.4.RELEASE</version>
</dependency>
<dependency>
<groupId>org.quartz-scheduler</groupId>
<artifactId>quartz</artifactId>
<version>1.8.5</version>
</dependency>
</dependencies>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:task="http://www.springframework.org/schema/task"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/task
http://www.springframework.org/schema/task/spring-task-3.1.xsd http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd">
<context:component-scan base-package="cn.test" />
<task:annotation-driven/>
</beans>
瀹氫箟涓涓帴鍙o紝鍐欎竴涓疄鐜扮被銆?br />
/**
* Created by libo on 13-12-18.
*/
public interface SchedulerService {
void doSome();
}
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import java.io.*;
import java.util.Calendar;
/**
* Created by libo on 13-12-18.
*/
@Component
public class SchedulerServiceImpl implements SchedulerService {
@Scheduled(cron = "0/5 * * * * ? ") //姣?縐掓墽琛屼竴嬈?/span>
@Override
public void doSome() {
System.out.println("do soming" + Calendar.getInstance().getTime());
Runtime runtime = Runtime.getRuntime();
Process p = null;
FileWriter fw = null;
try {
//姝ゅ鎵ц鐨勬槸ipconfig鍛戒護(hù)錛屽彲浠ユ崲鎴愪換浣昪md 閲岀殑鍛戒護(hù)銆?/span>
p = runtime.exec("cmd /c ipconfig /all");
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream(), "GBK"));
// 灝嗗懡浠ゆ墽琛岀粨鏋滀繚瀛樺埌鏂囦歡涓?/span>
fw = new FileWriter(new File("C:/temp/cmdout.txt"));
String line = null;
while ((line = reader.readLine()) != null) {
fw.write(line + "\n");
}
fw.flush();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (p != null) {
p.destroy();
}
try {
if (fw != null)
fw.close();
if (p != null)
p.getOutputStream().close();
} catch (IOException e) {
e.printStackTrace();
}
}
System.out.println("do soming" + Calendar.getInstance().getTime());
}
}
嫻嬭瘯綾?娉ㄦ剰錛氫嬌鐢╦unit鏄笉鑳芥祴璇曡嚜鍔ㄤ換鍔″湴錛?
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* Created by libo on 13-12-18.
*/
public class Test {
public static void main(String[] args){
ApplicationContext context = new ClassPathXmlApplicationContext("/spring-config.xml");
System.out.println("璇風(fēng)瓑寰?縐?img src="http://m.tkk7.com/Images/dot.gif" alt="" />璁╀換鍔¢涓浼?xì)鍎?");
}
}
end.
]]>
if exist "%CATALINA_HOME%" (goto update_CATALINA_HOME) else (goto create_CATALINA_HOME)
:create_CATALINA_HOME
wmic ENVIRONMENT create name="CATALINA_HOME",username="<system>",VariableValue="%cd%\tomcat"
:update_CATALINA_HOME
wmic ENVIRONMENT set name="CATALINA_HOME",username="<system>",VariableValue="%cd%\tomcat"
if exist "%JAVA_HOME%" (goto update_JAVA_HOME) else (goto create_JAVA_HOME)
:create_JAVA_HOME
wmic ENVIRONMENT create name="JAVA_HOME",username="<system>",VariableValue="%cd%\jdk"
:update_JAVA_HOME
wmic ENVIRONMENT set name="JAVA_HOME",username="<system>",VariableValue="%cd%\jdk"
if exist "%ANT_HOME%" (goto update_ANT_HOME) else (goto create_ANT_HOME)
:create_ANT_HOME
wmic ENVIRONMENT create name="ANT_HOME",username="<system>",VariableValue="%cd%\ant"
:update_ANT_HOME
wmic ENVIRONMENT set name="ANT_HOME",username="<system>",VariableValue="%cd%\ant"
wmic ENVIRONMENT set name="CLASSPATH",username="<system>",VariableValue=".;%%JAVA_HOME%%\lib"
@echo off
set MYSQL_HOME=%~dp0mysql
echo MYSQL_HOME=%MYSQL_HOME%
del /F my.ini
echo [client] >> my.ini
echo port = 3306 >> my.ini
echo default_character_set=utf-8 >> my.ini
echo [mysqld] >> my.ini
echo %server_default_character_set%=utf8 >> my.ini
echo default_storage_engine=InnoDB >> my.ini
echo basedir=%MYSQL_HOME%>>my.ini
echo datadir=%MYSQL_HOME%data>> my.ini
echo innodb_data_file=ibdata1:50M;ibdata2:10M:autoextend >> my.ini
echo transaction-isolation=READ-COMMITTED >> my.ini
echo port=%server_port% >> my.ini
echo max_allowed_packet = 64M >> my.ini
echo "my.ini in %MYSQL_HOME% created."
set PATH=%MYSQL_HOME%\bin;%PATH%
if exist "%MYSQL_HOME%\bin\mysqld-nt.exe" call %MYSQL_HOME%\bin\mysqld-nt --install-manual "mysql" --defaults-file="%MYSQL_HOME%my.ini"
if not exist "%MYSQL_HOME%\bin\mysqld-nt.exe" call %MYSQL_HOME%\bin\mysqld --install-manual "mysql" --defaults-file="%MYSQL_HOME%\my.ini"
net start mysql
@echo off
if exist "%CATALINA_HOME%" go startup
echo Cannot find "CATALINA_HOME%"
:startup
call "%CATALINA_HOME%\bin\startup.bat" start
]]>
]]>
style="page-break-before: always"
鍙互鎵撳嵃鍒嗛〉.
IE7涓嬩笉琛?榪欏彞css涓嶈搗浣滅敤
闇瑕佸姞涓婅繖鍙ss
<!--[if IE 7]><br style="height:0; line-height:0"><![endif]-->
鍏ㄩ儴鐨刢ss
<div style="page-break-before: always;">
<!--[if IE 7]><br style="height:0; line-height:0"><![endif]-->
</div>
]]>
鏂規(guī)硶錛屾瘡澶?鍕猴紝寮姘村啿娉″悗楗敤銆?
騫惰兘淇?jī)杩涜兌鍘熻泲鐧界殑鍚堟垚锛岄樌L榛戣壊绱犵敓鎴愶紝淇濇寔鑲岃偆娑︽辰錛屾湁寮規(guī)э紝鏈夊厜娉姐?
瀵跨殑浣滅敤銆?
縐嶅己鎶楁哀鍖栧墏錛屽彲浠ユ秷闄や漢浣撳唴鏈夊鐨勮嚜鐢卞熀錛屼繚鎶ょ粏鑳?yōu)缁劸l囧厤鍙楄嚜鐢卞熀鐨勬哀鍝堝寲鎹熷錛屽叿鏈夋姉琛?br> 鑰侊紝鎻愰珮鏈轟綋鍏嶇柅鍔涳紝寤惰繜鐨偆琛拌侊紝緹庡銆佸吇棰滅瓑浣滅敤銆傚蹇?jī)琛綆″仴搴鋒湁鐩娿?
銆傚彲緹庡銆佺編鐧姐佸吇棰溿佸噺鑲ャ備笌榛勭摐綾界矇涓璧鋒湇鐢ㄦ晥鏋滄洿浣熾?
鍜屼竴縐嶇壒孌婄殑妞嶇墿鑳跺師錛岄厤椋熷ぇ鏋g矇錛岃繛緇湇鐢ㄥ彲璧峰埌綰や綋涓拌兏鐨勬晥鏋滐紝騫跺彲鎶楃檶銆侀槻鐧岋紝澧炲己浜?br> 浣撳厤鐤姏錛屽歡緙撹“鑰併?
鐨勮剛鑲吀錛屽彲娑堥櫎鍓嶅垪鑵哄垵鏈熺殑鑲胯儉錛屽鍓嶅垪鑵虹柧鐥呮湁鎭㈠浣滅敤銆?
灝ゅ叾瀵圭硸灝跨梾浜烘晥鏋滄樉钁楋紝琚獕縐頒負(fù)鈥滄鐗╄儼宀涚礌鈥?
浣滅敤錛岄暱鏈熸湇鐢ㄨ繙榪滀紭浜庡叾浠栦腑瑗胯嵂鍝侊紝鏃犱換浣曟瘨鍓綔鐢紙寮姘村啿娉″悗楗敤錛夈?
閽?5姣厠錛岀7285姣厠錛岄捑2.1姣厠錛屾槸鎵鏈夊姩妞嶇墿椋熷搧涓惈閽炬渶楂樼殑銆備腑鏄佸勾浜虹殑蹇呭椋熷搧錛?br> 涓庨粦鑺濋夯銆佸ぇ鏋c侀粍鐡滅苯綺変竴鍚岄鐢紝鏁堟灉鏇翠匠銆?
鍔熸晥銆?
浣滅敤銆?
綾界矇鍚屾湇鏁堟灉鏇翠匠銆?could not resolve property: XXX of XXX
渚嬪錛?br />
c.add(Restrictions.eq("customer.id", customerId));
鍏朵腑customer鏄湰瀹炰綋鐨勪竴涓睘鎬э紝璁劇疆鍏寵仈.id 涓篶ustomer鐨勪富閿?
榪欑鏂瑰紡鍙互榪涜鏌ヨ錛屽茍寰楀埌姝g‘鐨勭粨鏋?
c.add(Restrictions.eq("customer.number", number))
榪欓噷鐨刵umber 鏄痗ustomer 鐨勯潪涓婚敭灞炴э紝榪欑鏂瑰紡鏌ヨ鏃舵彁紺?could not resolve property customer.number of xxx.
緇忚繃嫻嬭瘯琛ㄦ槑錛宧ibernate 搴旇鏄笉鏀寔榪欑闈炰富閿緗艱繘琛屾煡璇€備絾鏄嬌鐢╪ameQuery 鍐欒鍙ョ殑鏂瑰紡鍗存槸鍙互鏌ヨ騫跺緱鍒版紜粨鏋?
璇彞涓?
select x from X as x where customer.number =?
璋佽兘鍚堣В閲婁竴涓嬪憿錛熶負(fù)浠涔堝憿錛?br />
]]>
涓昏鏄敓鎴愮殑浠g爜閲屼竴鍫嗕竴鍫嗙殑table錛岃鎴戞渶緇堟斁寮冨畠浜?jiǎn)銆傚叾浠栨柟闈㈡尯濂姐?br />
鍒氭墠鍙堢湅浜?jiǎn)涓涓媑oogle gwt 鐨刣emo.涔熸槸涓鏍鳳紝澶у鏁扮殑甯冨眬涔熸槸涓鍫嗕竴鍫嗙殑table.
鍛點(diǎn)傘傘傚緢闅鵑夋嫨涓涓ソ鐨刉EB妗嗘灦銆?br />
]]>
榪欎箞濂界殑杞歡瑕佸灝戦挶鍛紵79緹庡垁錛侀潪娉ㄥ唽鐗堟湰涓嶈兘淇濆瓨鍜屽鍑轟負(fù)鍥劇墖錛岃屼笖榪樹細(xì)涓嶅畾鏃剁殑璺沖嚭鎻愮ず妗嗐?br />
涓嶈繃浣滆呰繕鏄細(xì)鑰冭檻鍒版垜浠┓鑻︿漢姘戠殑錛屾彁鍒頒簡(jiǎn)澶氱鍏嶈垂鑾峰彇 key 鐨勬柟娉曪紝鍏朵腑涓縐嶅氨鏄啓涓綃?blog 鎺ㄨ崘榪欐杞粰15涓漢鐪嬪氨鑳藉寰楀埌鍏嶈垂鐨刱ey 浜?jiǎn)銆?br />
鍛點(diǎn)傘傘傚緢濂斤紒寰堝己澶э紒
]]>
鏈榪戝帇鍔涙祴璇曞拰璋冧紭Liferay portal錛屾墍浠ラ渶瑕佹壘鍒頒竴縐嶅伐鍏鳳紝鍙互姣旇緝濂界殑鐩戞祴VM宸ュ叿銆傛湰鏉ユ兂浣跨敤鍟嗙敤宸ュ叿錛屼絾鍋剁劧闂村彂鐜癝UN 鐨凧DK涓柊娣諱簡(jiǎn)鍑犱釜宸ュ叿錛屽茍涓旈潪甯稿ソ鐢ㄣ傜鎵跨潃鏈夊厤璐癸紝涓嶇敤鍟嗙敤鐨勫師鍒欍傚紑濮嬩嬌鐢ㄦ柊鐨凧DK宸ュ叿錛屼互涓嬬畝鍗曚粙緇嶄竴涓嬭繖鍑犵宸ュ叿銆?娉細(xì)鏈枃绔犱笅鐨勬墍鏈夊伐鍏烽兘瀛樺湪JDK5.0浠ヤ笂鐗堟湰鐨勫伐鍏烽泦閲岋紝鍚宩avac涓鏍鳳紝涓嶉』鐗規(guī)剰瀹夎)
鎴戜竴鍏辨壘鍒頒互涓嬩簲涓伐鍏鳳細(xì)
jinfo:鍙互杈撳嚭騫朵慨鏀硅繍琛屾椂鐨刯ava 榪涚▼鐨刼pts銆?br/>jps:涓巙nix涓婄殑ps綾諱技錛岀敤鏉ユ樉紺烘湰鍦扮殑java榪涚▼錛屽彲浠ユ煡鐪嬫湰鍦拌繍琛岀潃鍑犱釜java紼嬪簭錛屽茍鏄劇ず浠栦滑鐨勮繘紼嬪彿銆?br/>jstat:涓涓瀬寮虹殑鐩戣VM鍐呭瓨宸ュ叿銆傚彲浠ョ敤鏉ョ洃瑙哣M鍐呭瓨鍐呯殑鍚勭鍫嗗拰闈炲爢鐨勫ぇ灝忓強(qiáng)鍏跺唴瀛樹嬌鐢ㄩ噺銆?br/>jmap:鎵撳嵃鍑烘煇涓猨ava榪涚▼錛堜嬌鐢╬id錛夊唴瀛樺唴鐨勶紝鎵鏈?瀵硅薄'鐨勬儏鍐碉紙濡傦細(xì)浜х敓閭d簺瀵硅薄錛屽強(qiáng)鍏舵暟閲忥級(jí)銆?br/>jconsole:涓涓猨ava GUI鐩戣宸ュ叿錛屽彲浠ヤ互鍥捐〃鍖栫殑褰㈠紡鏄劇ず鍚勭鏁版嵁銆傚茍鍙氳繃榪滅▼榪炴帴鐩戣榪滅▼鐨勬湇鍔″櫒VM銆?br/>
鎺ヤ笅鏉ユ槸瀵硅繖浜涘伐鍏風(fēng)殑璇︾粏浠嬬粛錛?br/>
浠庢渶綆鍗曠殑jstat宸ュ叿寮濮嬶細(xì)鎴戞兂寰堝浜洪兘鏄敤榪噓nix緋葷粺閲岀殑ps鍛戒護(hù)錛岃繖涓懡浠や富瑕佹槸鐢ㄦ潵鏄劇ず褰撳墠緋葷粺鐨勮繘紼嬫儏鍐碉紝鏈夊摢浜涜繘紼嬶紝鍙?qiáng)鍏秈d銆俲ps 涔熸槸涓鏍鳳紝瀹冪殑浣滅敤鏄樉紺哄綋鍓嶇郴緇熺殑java榪涚▼鎯呭喌錛屽強(qiáng)鍏秈d鍙楓傛垜浠彲浠ラ氳繃瀹冩潵鏌ョ湅鎴戜滑鍒板簳鍚姩浜?jiǎn)鍑犱釜java榪涚▼錛堝洜涓烘瘡涓涓猨ava紼嬪簭閮戒細(xì)鐙崰涓涓猨ava铏氭嫙鏈哄疄渚嬶級(jí)錛屽拰浠栦滑鐨勮繘紼嬪彿錛堜負(fù)涓嬮潰鍑犱釜紼嬪簭鍋氬噯澶囷級(jí)錛屽茍鍙氳繃opt鏉ユ煡鐪嬭繖浜涜繘紼嬬殑璇︾粏鍚姩鍙傛暟銆?br/>浣跨敤鏂規(guī)硶錛氬湪褰撳墠鍛戒護(hù)琛屼笅鎵?jps(闇瑕丣AVA_HOME錛屾病鏈夌殑璇濓紝鍒版敼紼嬪簭鐨勭洰褰曚笅鎵?
鎺ヤ笅鏉ユ槸jstat錛屾垜涔嬫墍浠ヨ繖嬈¤皟浼楲iferay portal鏄洜涓猴紝liferay鍦ㄩ粯璁ょ殑鎯呭喌涓嬶紝騫跺彂鐢ㄦ埛涓澶氬氨浼?xì)漶旂敓perm out of momery寮傚父銆傝櫧鐒跺緢寮灝辮В鍐充簡(jiǎn)錛屼絾鍙戠幇瀵筕M鍐呭瓨浣跨敤閲忕洃鎺х殑閲嶈鎬с傞氳繃google錛屽緢蹇殑鍙戠幇浜?jiǎn)jstat榪欎釜宸ュ叿銆?br/>jstat宸ュ叿鐗瑰埆寮哄ぇ錛屾湁浼楀鐨勫彲閫夐」錛岃緇嗘煡鐪嬪爢鍐呭悇涓儴鍒嗙殑浣跨敤閲忥紝浠ュ強(qiáng)鍔犺澆綾葷殑鏁伴噺銆備嬌鐢ㄦ椂錛岄渶鍔犱笂鏌ョ湅榪涚▼鐨勮繘紼媔d錛屽拰鎵閫夊弬鏁般備互涓嬭緇嗕粙緇嶅悇涓弬鏁扮殑鎰忎箟銆?br/>jstat -class pid:鏄劇ず鍔犺澆class鐨勬暟閲忥紝鍙?qiáng)鎵鍗犵┖闂寸瓑淇℃伅銆?br/>jstat -compiler pid:鏄劇ずVM瀹炴椂緙栬瘧鐨勬暟閲忕瓑淇℃伅銆?br/>jstat -gc pid:鍙互鏄劇ずgc鐨勪俊鎭紝鏌ョ湅gc鐨勬鏁幫紝鍙?qiáng)鏃堕棿銆傚叾涓渶鍚庝簲欏癸紝鍒嗗埆鏄痽oung gc鐨勬鏁幫紝young gc鐨勬椂闂達(dá)紝full gc鐨勬鏁幫紝full gc鐨勬椂闂達(dá)紝gc鐨勬繪椂闂淬?br/>jstat -gccapacity:鍙互鏄劇ず錛孷M鍐呭瓨涓笁浠o紙young,old,perm錛夊璞$殑浣跨敤鍜屽崰鐢ㄥぇ灝忥紝濡傦細(xì)PGCMN鏄劇ず鐨勬槸鏈灝弍erm鐨勫唴瀛樹嬌鐢ㄩ噺錛孭GCMX鏄劇ず鐨勬槸perm鐨勫唴瀛樻渶澶т嬌鐢ㄩ噺錛孭GC鏄綋鍓嶆柊鐢熸垚鐨刾erm鍐呭瓨鍗犵敤閲忥紝PC鏄絾鍓峱erm鍐呭瓨鍗犵敤閲忋傚叾浠栫殑鍙互鏍規(guī)嵁榪欎釜綾繪帹錛?OC鏄痮ld鍐呯函鐨勫崰鐢ㄩ噺銆?br/>jstat -gcnew pid:new瀵硅薄鐨勪俊鎭?br/>jstat -gcnewcapacity pid:new瀵硅薄鐨勪俊鎭強(qiáng)鍏跺崰鐢ㄩ噺銆?br/>jstat -gcold pid:old瀵硅薄鐨勪俊鎭?br/>jstat -gcoldcapacity pid:old瀵硅薄鐨勪俊鎭強(qiáng)鍏跺崰鐢ㄩ噺銆?br/>jstat -gcpermcapacity pid: perm瀵硅薄鐨勪俊鎭強(qiáng)鍏跺崰鐢ㄩ噺銆?br/>jstat -util pid:緇熻gc淇℃伅緇熻銆?br/>jstat -printcompilation pid:褰撳墠VM鎵ц鐨勪俊鎭?br/>闄や簡(jiǎn)浠ヤ笂涓涓弬鏁板錛岃繕鍙互鍚屾椂鍔犱笂 涓や釜鏁板瓧錛屽錛歫stat -printcompilation 3024 250 6鏄瘡250姣鎵撳嵃涓嬈★紝涓鍏辨墦鍗?嬈★紝榪樺彲浠ュ姞涓?h3姣忎笁琛屾樉紺轟竴涓嬫爣棰樸?br/>
jmap 鏄竴涓彲浠ヨ緭鍑烘墍鏈夊唴瀛樹腑瀵硅薄鐨勫伐鍏鳳紝鐢氳嚦鍙互灝哣M 涓殑heap錛屼互浜岃繘鍒惰緭鍑烘垚鏂囨湰銆備嬌鐢ㄦ柟娉?jmap -histo pid銆傚鏋滆繛鐢⊿HELL jmap -histo pid>a.log鍙互灝嗗叾淇濆瓨鍒版枃鏈腑鍘伙紝鍦ㄤ竴孌墊椂闂村悗錛屼嬌鐢ㄦ枃鏈姣斿伐鍏鳳紝鍙互瀵規(guī)瘮鍑篏C鍥炴敹浜?jiǎn)鍝簺瀵硅薄銆俲map -dump:format=b,file=String 3024鍙互灝?024榪涚▼鐨勫唴瀛榟eap杈撳嚭鍑烘潵鍒癝tring鏂囦歡閲屻?br/>
jinfo:鐨勭敤澶勬瘮杈冪畝鍗曪紝灝辨槸鑳借緭鍑哄茍淇敼榪愯鏃剁殑java榪涚▼鐨勮繍琛屽弬鏁般傜敤娉曟槸jinfo -opt pid 濡傦細(xì)鏌ョ湅2788鐨凪axPerm澶у皬鍙互鐢?jinfo -flag MaxPermSize 2788銆?br/>
jconsole鏄竴涓敤java鍐欑殑GUI紼嬪簭錛岀敤鏉ョ洃鎺M錛屽茍鍙洃鎺ц繙紼嬬殑VM錛岄潪甯告槗鐢紝鑰屼笖鍔熻兘闈炲父寮恒傜敱浜庢槸GUI紼嬪簭錛岃繖閲屽氨涓嶈緇嗕粙緇嶄簡(jiǎn)錛屼笉浼?xì)鐨勫湴鏂瑰彲浠ュ弬鑰冿汲錛碉籍鐨勫畼鏂規(guī)枃妗c?br/>浣跨敤鏂規(guī)硶錛氬懡浠よ閲屾墦 jconsole錛岄夊垯榪涚▼灝卞彲浠ヤ簡(jiǎn)銆?br/>
浠ヤ笅鏄繖浜涘伐鍏風(fēng)殑SUN瀹樻柟璇存槑錛?br/>jps:http://java.sun.com/j2se/1.5.0/docs/tooldocs/share/jps.html
jstat:http://java.sun.com/j2se/1.5.0/docs/tooldocs/share/jstat.html
jmap:http://java.sun.com/j2se/1.5.0/docs/tooldocs/share/jmap.html
jconsole:http://java.sun.com/j2se/1.5.0/docs/guide/management/jconsole.html
闄勫姞錛歸indows鏌ョ湅榪涚▼鍙鳳紝鐢變簬浠誨姟綆$悊鍣ㄩ粯璁ょ殑鎯呭喌涓嬫槸涓嶆樉紺鴻繘紼媔d鍙風(fēng)殑錛屾墍浠ュ彲浠ラ氳繃濡備笅鏂規(guī)硶鍔犱笂銆俢trl+alt+del鎵撳紑浠誨姟綆$悊鍣紝閫夋嫨'榪涚▼'閫夐」鍗★紝鐐?鏌ョ湅'->'閫夋嫨鍒?->鍔犱笂'PID'錛屽氨鍙互浜?jiǎn)銆?/p>