<result name="success" type="redirectAction">/admin/adminEnterpriceculturelist.action?enterpriceculture.enterpricetype=A</result>
灝界涓嶅ソ鐪嬫牸寮忥紝浣嗘槸鍗村緢瀹規槗鎳?
絎竴縐嶆柟寮忕殑/admin涓嶆槸鍛藉悕絀洪棿錛屾殏鏃舵垜榪樻病鏃墮棿鍘誨疄璺典粬錛岀幇鍦ㄦ湁鐐瑰繖..鍥犱負鎴戠殑鍛藉悕絀洪棿鏄繖鏍風殑
<struts>
<package name="enterpriceculture" namespace="/" extends="struts-default">
<action name="adminEnterpriceculturesave" class="adminEnterpriceculturesaveAction" method="save">
<result name="success" type="redirectAction">/admin/adminEnterpriceculturelist.action?enterpriceculture.enterpricetype=A</result>
<!-- <param name="enterpriceculture.enterpricetype">A</param>
<result name="success" type="chain">
<param name="actionName">adminEnterpriceculturelist</param>
<param name="namespace">/</param>
</result>-->
<!-- <result name="success">/admin/Enterpriceculture_List.jsp</result>-->
</action>
</struts>
絎簩縐嶆柟寮忥細
<param name="enterpriceculture.enterpricetype">A</param>
<result name="success" type="chain">
<param name="actionName">adminEnterpriceculturelist</param>
<param name="namespace">/</param>
</result>
鍘繪帀鍛藉悕絀洪棿鍥犱負鏄湪鏈枃浠剁殑榪欎釜adminEnterpriceculturelist榪涜璺寵漿錛屾墍浠ョ悊瑙ｈ搗鏉ュ鏄撳緢澶?.
緇煎悎鎵懼埌緗戜笂鏈夊叧璧勬枡錛氬涓嬶細
chain綾誨瀷 濡備笅錛?
<action name="getTemplate" class="tabAction" method="getTemplateByParas">
<param name="objectId">${objectId}</param>
<param name="param1">${param1}</param>
<param name="items">${items}</param>
<result name="success" type="chain">
<param name="actionName">${actionName}</param>
<param name="namespace">${namespace}</param>
</result>
</action>
榪欐牱灝卞彲浠ュ疄鐜頒紶鍙備簡錛岃繖閲岀殑鍙傛暟鎵鏈夊璞￠兘鍙互浼狅紝鍖呮嫭map,List,set 絳夐泦鍚堜篃鍙互銆傚悓鏃惰繖閲岃繕闇瑕佹敞鎰忎竴涓皬闂錛宑hain榪欑綾誨瀷鏄疿Work涓殑result綾誨瀷,瀹冨搴旂殑綾繪槸錛?
com.opensymphony.xwork2.ActionChainResult . 榪欓噷闇瑕佹敞鎰忎竴涓皬闂錛?actionName,namespace閮芥槸浠栫殑灞炴э紝鎵浠ュ浜庝紶榪囩殑URL鍙傛暟瑕佸仛涓涓嬪鐞嗐?
actionName蹇呴』鏄疉ction鐨勫悕縐幫紝namespace鏄粬鍛藉悕絀洪棿錛屽繀欏諱互"/"寮澶達紝濡傦細
/tab/getTemplate.action 鍒?namespace="/tab" ; actionName=”getTemplate“;
]]>
<script type="text/javascript">
//<![CDATA[
//宓屽叆CDATA孌靛彲浠ラ槻姝笉鍏煎Javacript鐨勬祻瑙堝櫒涓嶄駭鐢熼敊璇俊鎭?br /> //澧炲姞姝ｅ垯琛ㄨ揪寮?span class="Apple-converted-space">
String.prototype.getQueryString = function(name) {
var reg = new RegExp("(^|&|\\?)" + name + "=([^&]*)(&|$)"), r;
if (r = this.match(reg)) return unescape(r[2]);
return null;
};
var address = location.search.getQueryString("address"); //閫氳繃琛ㄨ揪寮忚幏寰椾紶閫掑弬鏁?br /> //閽堝涓ょ嫻忚鍣紝鍒嗗埆鑾峰彇xmlDocument瀵硅薄// 璇誨彇XML鏂囦歡
function loadXML(xmlFile) {
var xmlDoc;
if (window.ActiveXObject) {
xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async = false;
xmlDoc.load(xmlFile);
}
else if (document.implementation && document.implementation.createDocument) {
xmlDoc = document.implementation.createDocument("", "", null);
xmlDoc.async = false;
xmlDoc.load(xmlFile);
} else {
alert('鎮ㄧ殑嫻忚鍣ㄤ笉鏀寔璇ョ郴緇熻剼鏈紒');
}
return xmlDoc;
}
//璋冪敤鍦板浘
var map; //鍏ㄥ眬GMap GOOGLE 鍦板浘 API
function load() {
if (GBrowserIsCompatible()) //媯鏌ユ祻瑙堝櫒鍏煎鎬?br /> {
map = new GMap2(document.getElementById("map")); //鍦板浘鍔犳牻鍒癐D涓簃ap鐨凞IV涓?br /> map.addControl(new GSmallMapControl()); //娣誨姞Gcontrol鎺т歡//鏀懼ぇ緙╁皬鐨勯偅涓?br /> map.setCenter(new GLatLng(26.577014, 104.877977), 15); //璁劇疆鍦板浘涓績
//鍒涘緩澶氫釜鍧愭爣鐐癸紙浠嶪NFO.XML鏂囦歡涓鍙栵級
var xmlDoc = loadXML("Info.xml");
var members = xmlDoc.getElementsByTagName("number");
var maxRes = members.length;
for (var i = 0; i <= maxRes; i++) { //XML涓褰曚簡澶氫釜鍧愭爣鐐癸紝瑕佹瘡涓偣閮芥爣璁頒竴涓?br /> var oName = members[i].getElementsByTagName("name");
var oLongitude = members[i].getElementsByTagName("Longitude");
var oLatitude = members[i].getElementsByTagName("Latitude");
var name = oName[0].firstChild.nodeValue
var Longitude = oLongitude[0].firstChild.nodeValue
var Latitude = oLatitude[0].firstChild.nodeValue
var marker = new GMarker(new GLatLng(Longitude, Latitude), { title: name }); //瀵規瘡涓偣娣誨姞鏍囪
marker.openInfoWindowHtml("<div style=line-height:20px;text-align:center;font-size:12px;'><a href=Left.aspx?info=" + name + " target=framLeft>" + name + ",鐐瑰嚮鏌ョ湅淇℃伅</a></div>");
map.addOverlay(marker);
}
}
}
//]]>
</script>
XML鏂囦歡
<?xml version="1.0" encoding="GB2312"?><earth>
<number id='1'>
<name>213211212213213</name>
<Longitude>26.577014</Longitude>
<Latitude>104.877977</Latitude></number>
<number id='2'>
<name>112312332131212</name>
<Longitude>26.586685</Longitude>
<Latitude>104.863815</Latitude></number>
<number id='3'>
<name>123123121323112</name>
<Longitude>26.572101</Longitude>
<Latitude>104.866905</Latitude></number>
<number id='4'>
<name>123132123123321</name>
<Longitude>26.572254</Longitude>
<Latitude>104.891624</Latitude></number>
</earth>
]]>
Flex璋冭瘯宸ュ叿鐨勫畨瑁?
涓銆両E涓媐lex璋冭瘯鐨勫畨瑁?
Flex builder 3.0涓嬌鐢╰race( )璋冭瘯鏃訛紙debug鏂瑰紡榪愯錛屼篃鍙洿鎺ユ寜F11榪愯銆傚鏋滀笉鏄痙ebug鏂瑰紡榪愯錛宼race鍑芥暟鐨勫唴瀹規槸涓嶄細杈撳嚭鐨勶級錛屽脊鍑烘彁紺猴細
Installed Flash Player Is Not a Debugger
C:\Windows\System32\Macromed\Flash\Flash10a.ocx
Flex Builder cannot locate the required debugger version of Flash Player. You might need to install the debugger version of Flash Player 9 or reinstall Flex Builder.
Do you want to try to debug with the current version?
榪欐槸鍥犱負錛歠lex builder 3 榛樿瀹夎鐨勬槸flash player debugger 9.鑰屾渶鏂扮殑鏄?player 10 debugger鐗堛傚鏋滃畨瑁呯殑鏄?0a錛屼篃浼氬伓灝旀彁紺鴻繖涓敊璇?
涓嬭澆http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_ax_debug.exe
鎴栬?
www.adobe.com/support/flashplayer/downloads.html
瀵繪壘鍒扮浉瀵瑰簲鐨凢lex鐗堟湰瀹夎鍚庨噸鍚疐lex搴旂敤紼嬪簭灝卞彲浠ヤ簡銆?
濡傛灉鍑虹幇涓嶈兘瀹夎鐨勬儏鍐碉紝鍙兘鏄増鏈啿紿侊紝鏃犳硶鑷姩鍗歌澆宸插畨瑁呯殑鐗堟湰銆?
瑙ｅ喅瀹夎 Adobe Flash Player ActiveX 鎺т歡澶辮觸鐨勬柟娉曪紙涔熷彲浠ヨ瘯璇曞彧鎵ц絎?姝ュ嵏杞芥搷浣滐級
1銆佷笅杞?Flash Player 鍗歌澆鍣紝鎵ц鍗歌澆鎿嶄綔
http://download.macromedia.com/pub/flashplayer/current/uninstall_flash_player.exe;
鎴栬?鎵ц
C:\WINDOWS\system32\Macromed\Flash\涓嬬殑鍗歌澆鏂囦歡
鍗歌澆瀹屾垚 閲嶅惎鐢佃剳,鍦ㄥ畨瑁協lashplayer_10_ax_debug.exe ,榪欐牱灝卞彲浠ヤ簡.
2銆佸湪eclipse涓鎸囧畾嫻忚鍣?
flex閰嶇疆嫻忚鍣ㄧ殑璺緞濡備笅:window->preference->Genernal->Web Browser
涓銆両E涓媐lex璋冭瘯鐨勫畨瑁?
Flex builder 3.0涓嬌鐢╰race( )璋冭瘯鏃訛紙debug鏂瑰紡榪愯錛屼篃鍙洿鎺ユ寜F11榪愯銆傚鏋滀笉鏄痙ebug鏂瑰紡榪愯錛宼race鍑芥暟鐨勫唴瀹規槸涓嶄細杈撳嚭鐨勶級錛屽脊鍑烘彁紺猴細
Installed Flash Player Is Not a Debugger
C:\Windows\System32\Macromed\Flash\Flash10a.ocx
Flex Builder cannot locate the required debugger version of Flash Player. You might need to install the debugger version of Flash Player 9 or reinstall Flex Builder.
Do you want to try to debug with the current version?
榪欐槸鍥犱負錛歠lex builder 3 榛樿瀹夎鐨勬槸flash player debugger 9.鑰屾渶鏂扮殑鏄?player 10 debugger鐗堛傚鏋滃畨瑁呯殑鏄?0a錛屼篃浼氬伓灝旀彁紺鴻繖涓敊璇?
涓嬭澆http://download.macromedia.com/pub/flashplayer/updaters/10/flashplayer_10_ax_debug.exe
鎴栬?
www.adobe.com/support/flashplayer/downloads.html
瀵繪壘鍒扮浉瀵瑰簲鐨凢lex鐗堟湰瀹夎鍚庨噸鍚疐lex搴旂敤紼嬪簭灝卞彲浠ヤ簡銆?
濡傛灉鍑虹幇涓嶈兘瀹夎鐨勬儏鍐碉紝鍙兘鏄増鏈啿紿侊紝鏃犳硶鑷姩鍗歌澆宸插畨瑁呯殑鐗堟湰銆?
瑙ｅ喅瀹夎 Adobe Flash Player ActiveX 鎺т歡澶辮觸鐨勬柟娉曪紙涔熷彲浠ヨ瘯璇曞彧鎵ц絎?姝ュ嵏杞芥搷浣滐級
1銆佷笅杞?Flash Player 鍗歌澆鍣紝鎵ц鍗歌澆鎿嶄綔
http://download.macromedia.com/pub/flashplayer/current/uninstall_flash_player.exe;
鎴栬?鎵ц
C:\WINDOWS\system32\Macromed\Flash\涓嬬殑鍗歌澆鏂囦歡
鍗歌澆瀹屾垚 閲嶅惎鐢佃剳,鍦ㄥ畨瑁協lashplayer_10_ax_debug.exe ,榪欐牱灝卞彲浠ヤ簡.
2銆佸湪eclipse涓鎸囧畾嫻忚鍣?
flex閰嶇疆嫻忚鍣ㄧ殑璺緞濡備笅:window->preference->Genernal->Web Browser
+++++++++++++++++++++++++++
浠ヤ笂鏃犳晥鏋?鍦╢lex涓崲涓涓猟ebug嫻忚鍣ㄨ緗垚榛樿嫻忚鍣ㄥ嵆鍙?鍦╢irefox涓緗垚榛樿嫻忚鍣ㄥ矀鍙?鍗沖彲..
浣跨敤flash鍗歌澆宸ュ叿鍗歌澆flash鐗堟湰,蹇呴』瀹夎鍏煎鐗堟湰nes..,閲嶆柊瑁協lexbuilder,鍦ㄩ」鐩睘鎬т腑閲嶆柊閰嶇疆10.3鐗堟湰,鍦ㄩ」鐩睘鎬т腑閲嶆柊鎹㈡垚fierfox灝?div>NPSWF32.dll鎷瘋礉鍒癴irefox鐨勮礬寰勪笅,
C:\WINDOWS\system32\Macromed\Flash
鎬諱箣:flexbuilder閲嶆柊瀹夎,debug鐨刦lash鐗堟湰鍏堝湪欏圭洰瀹氫箟10,鐒跺悗瀹夎11鐨勫吋瀹圭増鏈?/div>
]]>tomcate 鎶?PermGen space 閿欒Exception in thread "main" java.lang.OutOfMemoryError: PermGen space http://www.tkk7.com/youngturk/archive/2012/07/22/383729.htmlyoungturk youngturk Sun, 22 Jul 2012 12:25:00 GMT http://www.tkk7.com/youngturk/archive/2012/07/22/383729.html http://www.tkk7.com/youngturk/comments/383729.html http://www.tkk7.com/youngturk/archive/2012/07/22/383729.html#Feedback 0 http://www.tkk7.com/youngturk/comments/commentRss/383729.html http://www.tkk7.com/youngturk/services/trackbacks/383729.html 璁劇疆:
-Xmx256m
-Xms256m
-XX:PermSize=512m
-XX:MaxPermSize=512m
-verbose:gc
]]> 鎴戜滑鏄繖鏍瘋濂楃墷鐨?. http://www.tkk7.com/youngturk/archive/2008/11/18/241071.htmlyoungturk youngturk Tue, 18 Nov 2008 00:24:00 GMT http://www.tkk7.com/youngturk/archive/2008/11/18/241071.html http://www.tkk7.com/youngturk/comments/241071.html http://www.tkk7.com/youngturk/archive/2008/11/18/241071.html#Feedback 0 http://www.tkk7.com/youngturk/comments/commentRss/241071.html http://www.tkk7.com/youngturk/services/trackbacks/241071.html 鐚氳繃鍕ゅ姵鑷村瘜鏈?鍏冮挶瀛樺湪鑰侀紶寮鐨勯挶搴勯噷銆傜尓鎵撶畻鎷胯繖5鍏冮挶寤轟竴涓皬紿?錛屽ぇ鐩栬鑺?鍏冨崠鍦幫紝鑺?鍏冩惌紿濄?/font>
鐜嬪叓鏄悶宸ョ▼鐨勶紝浠栨兂鍦ㄧ尓韜笂鎸ｆ洿澶氱殑閽憋紝浜庢槸鎵炬潵褰撴姇璧勯【闂殑鐙愮嫺鎯沖姙娉曪紝鐙愮嫺璇達細榪欏ソ鍔炪備簬鏄壘鏉ョ鍦扮洏鐨勭嫾錛屽紑閽卞簞鐨勮侀紶涓璧鋒潵鍟嗚錛岀粨鏋滅帇鍏粠鑰侀紶閭ｉ噷鍊熸潵200鍏冿紝鐢?00鍏冧拱浜嗙嫾鐨勫湴錛岃姳浜?鍏冩妸鐚獫鐩栧ソ錛岃姳浜?0鍏冪粰浜嗙嫄鐙?nobr oncontextmenu="return false" onmousemove="kwM(0)" id="clickeyekey0" onmouseover="kwE(event,0, this)" style="color: #6600ff; border-bottom: #6600ff 1px dotted; background-color: transparent; text-decoration: underline" onclick="kwC(event,0)" onmouseout="kwL(event,this)">鍜ㄨ鏈嶅姟璐癸紝鐚病鏈夊湴錛屽彧濂芥眰鐜嬪叓鎶婄獫鍗栫粰瀹冿紝鐜嬪叓瑕佷環500鍏?錛岃佺尓璇村彧鏈?鍏冧拱涓嶈搗錛岃繖鏃跺欑嫄鐙歌鏈嶇尓鍘誨悜鑰侀紶鍊熼挶錛岃侀紶絳斿簲鍊?00鍏冪粰鐚紝鍓嶆彁鏄浠栬繛鏈甫鍒╄繕600鍏冿紝鍙互鍒?0騫磋繕娓咃紝騫朵笖浜ф潈璇佹嬁鏉ユ姷鎶箋?
緇撴灉鎴愪氦銆傜尓鍒版渶鍚庤姳浜?00鍏冧拱鏉ヤ簡鐚獫錛屾瘮浠栧師鏉ョ殑璁″垝楂樹簡11鍊嶏紝鐚姫鍔涗簡鍗佸勾鍘繪專閽辮繕璐楓?
鍦ㄨ繖鍦轟氦鏄撻噷闈紝鐙鹼紝鑰侀紶錛岀嫄鐙歌繕鏈夌帇鍏兘鎸ｄ簡閽便備互鍚庝粬浠氨濡傛硶鐐埗銆傛洿澶氱殑鐚幓璐鋒涔版埧瀛愪簡錛岃繖鏃跺欙紝褰撳晢浜虹殑椹寸湅鍒版湁鏈哄彲涔橈紝鍒拌侀紶閭ｉ噷璐蜂簡濂藉濂藉鐨勬錛屾妸鐜嬪叓鐩栫殑鎴垮瓙閮戒拱涓嬫潵錛岀劧鍚庝互鏇撮珮鐨勪環鏍煎崠緇欎簡鐚?鐚殑榪樿捶鏈熷氨瓚婃潵瓚婇暱錛屽悆鐨勮秺鏉ヨ秺宸紝灝忕尓宕藉瓙涔熶笉鏁㈢敓浜嗐?
鐢變簬鐚殑鏁扮洰瓚婃潵瓚婂皯錛岀嫾瑙夊緱榪欐牱涓嬪幓鑷繁娌℃湁鐚倝鍚冧簡錛岄潪楗挎涓嶅彲錛?浜庢槸寮濮嬭皟鎺э紝涓嶈鑰侀紶鍐嶅熼挶浜嗐備絾鏄帇鍏繕娌℃湁鍋滄鐩栨埧錛屾妸鑷繁鎸ｇ殑閽卞拰璐風殑閽卞叏鎶曞叆鐢熶駭浜嗐?
椹存墜涓婄殑鐚獫鍥ょН鐨勫緢澶氾紝鍗栦笉鍔ㄤ簡琚鐗簡銆傜粨鏋滐紝鑰侀紶錛岀帇鍏紝榪樻湁椹撮兘鎸ｄ簡濂藉鐨勭尓紿濄傞挶鍒版渶鍚庨泦涓埌鐙兼墜涓娿傚浠婏紝璋侀兘絳夌潃鐙兼妸閽辨嬁鍑烘潵鏁戝懡,浜庢槸4涓囦嚎灝辮繖涔堝嚭鏉ヤ簡銆?
鐚紞鏅氱櫨濮?
鐜嬪叓錛嶆埧鍦頒駭寮鍙戝晢
鐙愮嫺錛嶇粡嫻庡瀹躲佺簿鑻變漢澹紙濡侺i YN)
鑰侀紶錛嶉摱琛屾姇璧勪漢
椹達紞鐐掓埧鍟嗕漢
鐙鹼紞緇忔祹鏀跨瓥鍐崇瓥瀹炴柦綆＄悊鑰?br />
]]> String杞琤yte 鏁扮粍???? http://www.tkk7.com/youngturk/archive/2008/03/21/187725.htmlyoungturk youngturk Fri, 21 Mar 2008 08:20:00 GMT http://www.tkk7.com/youngturk/archive/2008/03/21/187725.html http://www.tkk7.com/youngturk/comments/187725.html http://www.tkk7.com/youngturk/archive/2008/03/21/187725.html#Feedback 0 http://www.tkk7.com/youngturk/comments/commentRss/187725.html http://www.tkk7.com/youngturk/services/trackbacks/187725.html
String str=new String(buffer);
榪欐牱涓嶅氨鍙互瀹炵幇瀛楄妭鏁扮粍鍜屽瓧絎︿覆鐨勮漿鎹簡涔堬紵
byte []buf= str.getBytes();
change String to byte.
]]> Eclipse蹇嵎閿厤緗甁DK http://www.tkk7.com/youngturk/archive/2007/07/17/130896.htmlyoungturk youngturk Tue, 17 Jul 2007 09:27:00 GMT http://www.tkk7.com/youngturk/archive/2007/07/17/130896.html http://www.tkk7.com/youngturk/comments/130896.html http://www.tkk7.com/youngturk/archive/2007/07/17/130896.html#Feedback 0 http://www.tkk7.com/youngturk/comments/commentRss/130896.html http://www.tkk7.com/youngturk/services/trackbacks/130896.html -vm D:\bea\jdk142_05\bin\javaw.exe
]]> javascript涓浜涙鍒欒〃杈懼紡 http://www.tkk7.com/youngturk/archive/2007/06/08/122821.htmlyoungturk youngturk Fri, 08 Jun 2007 04:38:00 GMT http://www.tkk7.com/youngturk/archive/2007/06/08/122821.html http://www.tkk7.com/youngturk/comments/122821.html http://www.tkk7.com/youngturk/archive/2007/06/08/122821.html#Feedback 0 http://www.tkk7.com/youngturk/comments/commentRss/122821.html http://www.tkk7.com/youngturk/services/trackbacks/122821.html
鎬諱箣:flexbuilder閲嶆柊瀹夎,debug鐨刦lash鐗堟湰鍏堝湪欏圭洰瀹氫箟10,鐒跺悗瀹夎11鐨勫吋瀹圭増鏈?/div>
]]>
-Xmx256m
-Xms256m
-XX:PermSize=512m
-XX:MaxPermSize=512m
-verbose:gc
]]>
緇撴灉鎴愪氦銆傜尓鍒版渶鍚庤姳浜?00鍏冧拱鏉ヤ簡鐚獫錛屾瘮浠栧師鏉ョ殑璁″垝楂樹簡11鍊嶏紝鐚姫鍔涗簡鍗佸勾鍘繪專閽辮繕璐楓?
鍦ㄨ繖鍦轟氦鏄撻噷闈紝鐙鹼紝鑰侀紶錛岀嫄鐙歌繕鏈夌帇鍏兘鎸ｄ簡閽便備互鍚庝粬浠氨濡傛硶鐐埗銆傛洿澶氱殑鐚幓璐鋒涔版埧瀛愪簡錛岃繖鏃跺欙紝褰撳晢浜虹殑椹寸湅鍒版湁鏈哄彲涔橈紝鍒拌侀紶閭ｉ噷璐蜂簡濂藉濂藉鐨勬錛屾妸鐜嬪叓鐩栫殑鎴垮瓙閮戒拱涓嬫潵錛岀劧鍚庝互鏇撮珮鐨勪環鏍煎崠緇欎簡鐚?鐚殑榪樿捶鏈熷氨瓚婃潵瓚婇暱錛屽悆鐨勮秺鏉ヨ秺宸紝灝忕尓宕藉瓙涔熶笉鏁㈢敓浜嗐?
鐢變簬鐚殑鏁扮洰瓚婃潵瓚婂皯錛岀嫾瑙夊緱榪欐牱涓嬪幓鑷繁娌℃湁鐚倝鍚冧簡錛岄潪楗挎涓嶅彲錛?浜庢槸寮濮嬭皟鎺э紝涓嶈鑰侀紶鍐嶅熼挶浜嗐備絾鏄帇鍏繕娌℃湁鍋滄鐩栨埧錛屾妸鑷繁鎸ｇ殑閽卞拰璐風殑閽卞叏鎶曞叆鐢熶駭浜嗐?
椹存墜涓婄殑鐚獫鍥ょН鐨勫緢澶氾紝鍗栦笉鍔ㄤ簡琚鐗簡銆傜粨鏋滐紝鑰侀紶錛岀帇鍏紝榪樻湁椹撮兘鎸ｄ簡濂藉鐨勭尓紿濄傞挶鍒版渶鍚庨泦涓埌鐙兼墜涓娿傚浠婏紝璋侀兘絳夌潃鐙兼妸閽辨嬁鍑烘潵鏁戝懡,浜庢槸4涓囦嚎灝辮繖涔堝嚭鏉ヤ簡銆?
鐚紞鏅氱櫨濮?
鐜嬪叓錛嶆埧鍦頒駭寮鍙戝晢
鐙愮嫺錛嶇粡嫻庡瀹躲佺簿鑻變漢澹紙濡侺i YN)
鑰侀紶錛嶉摱琛屾姇璧勪漢
椹達紞鐐掓埧鍟嗕漢
鐙鹼紞緇忔祹鏀跨瓥鍐崇瓥瀹炴柦綆＄悊鑰?br />
]]>
榪欐牱涓嶅氨鍙互瀹炵幇瀛楄妭鏁扮粍鍜屽瓧絎︿覆鐨勮漿鎹簡涔堬紵
byte []buf= str.getBytes();
change String to byte.
]]>
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涓嬮潰閮芥槸鎴戞敹闆嗙殑涓浜涙瘮杈冨父鐢ㄧ殑姝ｅ垯琛ㄨ揪寮忥紝鍥犱負騫沖父鍙兘鍦ㄨ〃鍗曢獙璇佺殑鏃跺欙紝鐢ㄥ埌鐨勬瘮杈冨銆傜壒鍙戝嚭鏉ワ紝璁╁悇浣嶆湅鍙嬪叡鍚屼嬌鐢ㄣ傚懙鍛點?/font>
鍖歸厤涓枃瀛楃鐨勬鍒欒〃杈懼紡錛?[u4e00-u9fa5]
璇勬敞錛氬尮閰嶄腑鏂囪繕鐪熸槸涓ご鐤肩殑浜嬶紝鏈変簡榪欎釜琛ㄨ揪寮忓氨濂藉姙浜?/p>
鍖歸厤鍙屽瓧鑺傚瓧絎?鍖呮嫭姹夊瓧鍦ㄥ唴)錛歔^x00-xff]
璇勬敞錛氬彲浠ョ敤鏉ヨ綆楀瓧絎︿覆鐨勯暱搴︼紙涓涓弻瀛楄妭瀛楃闀垮害璁?錛孉SCII瀛楃璁?錛?/p>
鍖歸厤絀虹櫧琛岀殑姝ｅ垯琛ㄨ揪寮忥細ns*r
璇勬敞錛氬彲浠ョ敤鏉ュ垹闄ょ┖鐧借
鍖歸厤HTML鏍囪鐨勬鍒欒〃杈懼紡錛?lt; (S*?)[^>]*>.*?|< .*? />
璇勬敞錛氱綉涓婃祦浼犵殑鐗堟湰澶碂緋曪紝涓婇潰榪欎釜涔熶粎浠呰兘鍖歸厤閮ㄥ垎錛屽浜庡鏉傜殑宓屽鏍囪渚濇棫鏃犺兘涓哄姏
鍖歸厤棣栧熬絀虹櫧瀛楃鐨勬鍒欒〃杈懼紡錛歗s*|s*$
璇勬敞錛氬彲浠ョ敤鏉ュ垹闄よ棣栬灝劇殑絀虹櫧瀛楃(鍖呮嫭絀烘牸銆佸埗琛ㄧ銆佹崲欏電絳夌瓑)錛岄潪甯告湁鐢ㄧ殑琛ㄨ揪寮?/p>
鍖歸厤Email鍦板潃鐨勬鍒欒〃杈懼紡錛歸+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*
璇勬敞錛氳〃鍗曢獙璇佹椂寰堝疄鐢?/p>
鍖歸厤緗戝潃URL鐨勬鍒欒〃杈懼紡錛歔a-zA-z]+://[^s]*
璇勬敞錛氱綉涓婃祦浼犵殑鐗堟湰鍔熻兘寰堟湁闄愶紝涓婇潰榪欎釜鍩烘湰鍙互婊¤凍闇姹?/p>
鍖歸厤甯愬彿鏄惁鍚堟硶(瀛楁瘝寮澶達紝鍏佽5-16瀛楄妭錛屽厑璁稿瓧姣嶆暟瀛椾笅鍒掔嚎)錛歗[a-zA-Z][a-zA-Z0-9_]{4,15}$
璇勬敞錛氳〃鍗曢獙璇佹椂寰堝疄鐢?/p>
鍖歸厤鍥藉唴鐢佃瘽鍙風爜錛歞{3}-d{8}|d{4}-d{7}
璇勬敞錛氬尮閰嶅艦寮忓 0511-4405222 鎴?021-87888822
鍖歸厤鑵捐QQ鍙鳳細[1-9][0-9]{4,}
璇勬敞錛氳吘璁疩Q鍙蜂粠10000寮濮?/p>
鍖歸厤涓浗閭斂緙栫爜錛歔1-9]d{5}(?!d)
璇勬敞錛氫腑鍥介偖鏀跨紪鐮佷負6浣嶆暟瀛?/p>
鍖歸厤韜喚璇侊細d{15}|d{18}
璇勬敞錛氫腑鍥界殑韜喚璇佷負15浣嶆垨18浣?/p>
鍖歸厤ip鍦板潃錛歞+.d+.d+.d+
璇勬敞錛氭彁鍙杋p鍦板潃鏃舵湁鐢?/p>
鍖歸厤鐗瑰畾鏁板瓧錛?br>^[1-9]d*$銆 銆 //鍖歸厤姝ｆ暣鏁?br>^-[1-9]d*$ 銆 //鍖歸厤璐熸暣鏁?br>^-?[1-9]d*$銆銆 //鍖歸厤鏁存暟
^[1-9]d*|0$銆 //鍖歸厤闈炶礋鏁存暟錛堟鏁存暟 + 0錛?br>^-[1-9]d*|0$銆銆 //鍖歸厤闈炴鏁存暟錛堣礋鏁存暟 + 0錛?br>^[1-9]d*.d*|0.d*[1-9]d*$銆銆 //鍖歸厤姝ｆ誕鐐規暟
^-([1-9]d*.d*|0.d*[1-9]d*)$銆 //鍖歸厤璐熸誕鐐規暟
^-?([1-9]d*.d*|0.d*[1-9]d*|0?.0+|0)$銆 //鍖歸厤嫻偣鏁?br>^[1-9]d*.d*|0.d*[1-9]d*|0?.0+|0$銆銆 //鍖歸厤闈炶礋嫻偣鏁幫紙姝ｆ誕鐐規暟 + 0錛?br>^(-([1-9]d*.d*|0.d*[1-9]d*))|0?.0+|0$銆銆//鍖歸厤闈炴嫻偣鏁幫紙璐熸誕鐐規暟 + 0錛?br>璇勬敞錛氬鐞嗗ぇ閲忔暟鎹椂鏈夌敤錛屽叿浣撳簲鐢ㄦ椂娉ㄦ剰淇
鍖歸厤鐗瑰畾瀛楃涓詫細
^[A-Za-z]+$銆銆//鍖歸厤鐢?6涓嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓?br>^[A-Z]+$銆銆//鍖歸厤鐢?6涓嫳鏂囧瓧姣嶇殑澶у啓緇勬垚鐨勫瓧絎︿覆
^[a-z]+$銆銆//鍖歸厤鐢?6涓嫳鏂囧瓧姣嶇殑灝忓啓緇勬垚鐨勫瓧絎︿覆
^[A-Za-z0-9]+$銆銆//鍖歸厤鐢辨暟瀛楀拰26涓嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓?br>^w+$銆銆//鍖歸厤鐢辨暟瀛椼?6涓嫳鏂囧瓧姣嶆垨鑰呬笅鍒掔嚎緇勬垚鐨勫瓧絎︿覆
鍦ㄤ嬌鐢≧egularExpressionValidator楠岃瘉鎺т歡鏃剁殑楠岃瘉鍔熻兘鍙婂叾楠岃瘉琛ㄨ揪寮忎粙緇嶅涓?
鍙兘杈撳叆鏁板瓧錛?#8220;^[0-9]*$”
鍙兘杈撳叆n浣嶇殑鏁板瓧錛?#8220;^d{n}$”
鍙兘杈撳叆鑷沖皯n浣嶆暟瀛楋細“^d{n,}$”
鍙兘杈撳叆m-n浣嶇殑鏁板瓧錛?#8220;^d{m,n}$”
鍙兘杈撳叆闆跺拰闈為浂寮澶寸殑鏁板瓧錛?#8220;^(0|[1-9][0-9]*)$”
鍙兘杈撳叆鏈変袱浣嶅皬鏁扮殑姝ｅ疄鏁幫細“^[0-9]+(.[0-9]{2})?$”
鍙兘杈撳叆鏈?-3浣嶅皬鏁扮殑姝ｅ疄鏁幫細“^[0-9]+(.[0-9]{1,3})?$”
鍙兘杈撳叆闈為浂鐨勬鏁存暟錛?#8220;^+?[1-9][0-9]*$”
鍙兘杈撳叆闈為浂鐨勮礋鏁存暟錛?#8220;^-[1-9][0-9]*$”
鍙兘杈撳叆闀垮害涓?鐨勫瓧絎︼細“^.{3}$”
鍙兘杈撳叆鐢?6涓嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓詫細“^[A-Za-z]+$”
鍙兘杈撳叆鐢?6涓ぇ鍐欒嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓詫細“^[A-Z]+$”
鍙兘杈撳叆鐢?6涓皬鍐欒嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓詫細“^[a-z]+$”
鍙兘杈撳叆鐢辨暟瀛楀拰26涓嫳鏂囧瓧姣嶇粍鎴愮殑瀛楃涓詫細“^[A-Za-z0-9]+$”
鍙兘杈撳叆鐢辨暟瀛椼?6涓嫳鏂囧瓧姣嶆垨鑰呬笅鍒掔嚎緇勬垚鐨勫瓧絎︿覆錛?#8220;^w+$”
楠岃瘉鐢ㄦ埛瀵嗙爜:“^[a-zA-Z]w{5,17}$”姝ｇ‘鏍煎紡涓猴細浠ュ瓧姣嶅紑澶達紝闀垮害鍦?-18涔嬮棿錛?/p>
鍙兘鍖呭惈瀛楃銆佹暟瀛楀拰涓嬪垝綰褲?br>楠岃瘉鏄惁鍚湁^%&’,;=?$”絳夊瓧絎︼細“[^%&’,;=?$x22]+”
鍙兘杈撳叆姹夊瓧錛?#8220;^[u4e00-u9fa5],{0,}$”
楠岃瘉Email鍦板潃錛?#8220;^w+[-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*$”
楠岃瘉InternetURL錛?#8220;^http://([w-]+.)+[w-]+(/[w-./?%&=]*)?$”
楠岃瘉鐢佃瘽鍙風爜錛?#8220;^((d{3,4})|d{3,4}-)?d{7,8}$”
姝ｇ‘鏍煎紡涓猴細“XXXX-XXXXXXX”錛?#8220;XXXX-XXXXXXXX”錛?#8220;XXX-XXXXXXX”錛?/p>
“XXX-XXXXXXXX”錛?#8220;XXXXXXX”錛?#8220;XXXXXXXX”銆?br>楠岃瘉韜喚璇佸彿錛?5浣嶆垨18浣嶆暟瀛楋級錛?#8220;^d{15}|d{}18$”
楠岃瘉涓騫寸殑12涓湀錛?#8220;^(0?[1-9]|1[0-2])$”姝ｇ‘鏍煎紡涓猴細“01”-“09”鍜?#8220;1”“12”
楠岃瘉涓涓湀鐨?1澶╋細“^((0?[1-9])|((1|2)[0-9])|30|31)$”
姝ｇ‘鏍煎紡涓猴細“01”“09”鍜?#8220;1”“31”銆?/p>
鍖歸厤涓枃瀛楃鐨勬鍒欒〃杈懼紡錛?[u4e00-u9fa5]
鍖歸厤鍙屽瓧鑺傚瓧絎?鍖呮嫭姹夊瓧鍦ㄥ唴)錛歔^x00-xff]
鍖歸厤絀鴻鐨勬鍒欒〃杈懼紡錛歯[s| ]*r
鍖歸厤HTML鏍囪鐨勬鍒欒〃杈懼紡錛?< (.*)>.*|< (.*) />/
鍖歸厤棣栧熬絀烘牸鐨勬鍒欒〃杈懼紡錛?^s*)|(s*$)
鍖歸厤Email鍦板潃鐨勬鍒欒〃杈懼紡錛歸+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*
鍖歸厤緗戝潃URL鐨勬鍒欒〃杈懼紡錛歨ttp://([w-]+.)+[w-]+(/[w- ./?%&=]*)?
(1)搴旂敤錛氳綆楀瓧絎︿覆鐨勯暱搴︼紙涓涓弻瀛楄妭瀛楃闀垮害璁?錛孉SCII瀛楃璁?錛?br>String.prototype.len=function(){return this.replace([^x00-xff]/g,”aa”).length;}
(2)搴旂敤錛歫avascript涓病鏈夊儚vbscript閭ｆ牱鐨則rim鍑芥暟錛屾垜浠氨鍙互鍒╃敤榪欎釜琛ㄨ揪寮忔潵瀹炵幇
String.prototype.trim = function()
{
return this.replace(/(^s*)|(s*$)/g, “”);
}
(3)搴旂敤錛氬埄鐢ㄦ鍒欒〃杈懼紡鍒嗚В鍜岃漿鎹P鍦板潃
function IP2V(ip) //IP鍦板潃杞崲鎴愬搴旀暟鍊?br>{
re=/(d+).(d+).(d+).(d+)/g //鍖歸厤IP鍦板潃鐨勬鍒欒〃杈懼紡
if(re.test(ip))
{
return RegExp.$1*Math.pow(255,3))+RegExp.$2*Math.pow(255,2))+RegExp.$3*255+RegExp.$4*1
}
else
{
throw new Error(”Not a valid IP address!”)
}
}
(4)搴旂敤錛氫粠URL鍦板潃涓彁鍙栨枃浠跺悕鐨刯avascript紼嬪簭
s=”http://www.9499.net/page1.htm”;
s=s.replace(/(.*/){0,}([^.]+).*/ig,”$2″) ; //Page1.htm
(5)搴旂敤錛氬埄鐢ㄦ鍒欒〃杈懼紡闄愬埗緗戦〉琛ㄥ崟閲岀殑鏂囨湰妗嗚緭鍏ュ唴瀹?br>鐢ㄦ鍒欒〃杈懼紡闄愬埗鍙兘杈撳叆涓枃錛歰nkeyup=”value=”/blog/value.replace(/[”^u4E00-u9FA5]/g,'’) ” onbeforepaste=”clipboardData.setData(’text’,clipboardData.getData(’text’).replace(/[^u4E00-u9FA5]/g,'’))”
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鍦ㄤ袱涓〃涓敤濡備笅鍏崇郴錛歴tudent琛ㄤ腑鏈塩lassid瀛楁鍜宑lass琛ㄦ湁classid瀛楁錛屽叾涓璼tudent琛ㄤ腑鐨刢lassid瀛楁涓哄閿紝class琛ㄤ腑classid涓哄叾涓婚敭錛岄氳繃涓よ〃灞炴у緩绔嬬殑澶栭敭鍏崇郴鍒欏艦鎴愮駭鑱斿叧緋伙紝鍗籌細鍒犻櫎class涓殑classid涓涓瓧孌碉紝鍒欐湁鍦╯tudent琛ㄤ腑鐨勬墍鏈夊睘浜庢classid涓殑瀛︾敓淇℃伅鍏ㄨ鍒犻櫎
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int compareTo(T聽o)
- 姣旇緝姝ゅ璞′笌鎸囧畾瀵硅薄鐨勯『搴忋傚鏋滆瀵硅薄灝忎簬銆佺瓑浜庢垨澶т簬鎸囧畾瀵硅薄錛屽垯鍒嗗埆榪斿洖璐熸暣鏁般侀浂鎴栨鏁存暟銆?/dd>
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瀵硅薄鐨勪覆琛屽寲
瀵硅薄鐨勪覆琛屽寲錛圫erialization錛壜犱竴銆佷覆琛屽寲鐨勬蹇靛拰鐩殑聽
1
.浠涔堟槸涓茶鍖?br />瀵孤犺薄鐨勫鍛介氬父闅忕潃鐢熸垚璇ュ璞＄殑紼嬪簭鐨勭粓姝㈣岀粓姝€傛湁鏃跺欙紝鍙兘闇瑕佸皢瀵硅薄鐨勭姸鎬佷繚瀛樹笅鏉ワ紝鍦ㄩ渶瑕佹椂鍐嶅皢瀵硅薄鎭㈠銆傛垜浠妸瀵硅薄鐨勮繖縐嶈兘璁板綍鑷繁鐨勭姸鎬佷互渚垮皢聽鏉ュ啀鐢熺殑鑳藉姏銆傚彨浣滃璞＄殑鎸佺畫鎬?persistence)銆傚璞￠氳繃鍐欏嚭鎻忚堪鑷繁鐘舵佺殑鏁板兼潵璁板綍鑷繁聽錛岃繖涓繃紼嬪彨瀵硅薄鐨勪覆琛屽寲(Serialization)聽銆備覆琛屽寲鐨勪富瑕佷換鍔℃槸鍐欏嚭瀵硅薄瀹炰緥鍙橀噺鐨勬暟鍊箋傚鏋滀氦閲忔槸鍙︿竴瀵硅薄鐨勫紩鐢紝鍒欏紩鐢ㄧ殑瀵硅薄涔熻涓茶鍖栥傝繖涓繃紼嬫槸閫掑綊鐨勶紝涓茶鍖栧彲鑳借娑夊強涓涓鏉傛爲緇撴瀯鐨劼犲崟琛屽寲錛屽寘鎷師鏈夊璞°佸璞＄殑瀵硅薄銆佸璞＄殑瀵硅薄鐨勫璞＄瓑絳夈傚璞℃墍鏈夋潈鐨勫眰嬈＄粨鏋勭О涓哄浘琛?graph)銆?br />
2
.涓茶鍖栫殑鐩殑Java瀵硅薄鐨勫崟琛屽寲鐨勭洰鏍囨槸涓篔ava鐨勮繍琛岀幆澧冩彁渚涗竴緇勭壒鎬э紝濡備笅鎵紺猴細
1
)聽聽聽聽聽聽聽灝介噺淇濇寔瀵硅薄涓茶鍖栫殑綆鍗曟壖瑕伮狅紝浣嗚鎻愪緵涓縐嶉斿緞浣垮叾鍙牴鎹紑鍙戣呯殑瑕佹眰榪涜鎵╁睍鎴栧畾鍒躲?br />
2
)聽聽聽聽聽聽聽涓茶鍖栨満鍒跺簲涓ユ牸閬靛畧Java鐨勫璞℃ā鍨嬄犮傚璞＄殑涓茶鍖栫姸鎬佷腑搴旇瀛樻湁鎵鏈夌殑鍏充簬縐嶇被鐨勫畨鍏ㄧ壒鎬х殑淇℃伅銆?br />
3
)聽聽聽聽聽聽聽瀵硅薄鐨勪覆琛屽寲鏈哄埗搴旀敮鎸丣ava鐨勫璞℃寔緇с?br />
4
)聽聽聽聽聽聽聽瀵硅薄鐨勪覆琛屽寲鏈哄埗搴旀湁瓚沖鐨劼犲彲鎵╁睍鑳藉姏浠ユ敮鎸佸璞＄殑榪滅▼鏂規硶璋冪敤(RMI)銆?br />
5
)聽聽聽聽聽聽聽瀵硅薄涓茶鍖栧簲鍏佽瀵硅薄瀹氫箟鑷韓聽鐨勬牸寮忓嵆鍏惰嚜韜殑鏁版嵁嫻佽〃紺哄艦寮忥紝鍙閮ㄥ寲鎺ュ彛鏉ュ畬鎴愯繖欏瑰姛鑳姐?br />浜屻佷覆琛屽寲鏂規硶聽浠嶫DK1.1寮濮嬶紝Java璇█鎻愪緵浜嗗璞′覆琛屽寲鏈哄埗聽錛屽湪java.io鍖呬腑錛屾帴鍙erialization鐢ㄦ潵浣滀負瀹炵幇瀵硅薄涓茶鍖栫殑宸ュ叿聽錛屽彧鏈夊疄鐜頒簡Serialization鐨勭被鐨勫璞℃墠鍙互琚覆琛屽寲銆?br />Serializable鎺ュ彛涓病鏈変換浣曠殑鏂規硶銆傚綋涓涓被澹版槑瑕佸疄鐜癝erializable鎺ュ彛鏃訛紝鍙槸琛ㄦ槑璇ョ被鍙傚姞涓茶鍖栧崗璁紝鑰屼笉闇瑕佸疄鐜頒換浣曠壒孌婄殑鏂規硶銆備笅闈㈡垜浠氳繃瀹炰緥浠嬬粛濡備綍瀵瑰璞¤繘琛屼覆琛屽寲銆?br />
1
.瀹氫箟涓涓彲涓茶鍖栧璞?br />涓涓被錛屽鏋滆浣垮叾瀵硅薄鍙互琚覆琛屽寲錛屽繀欏誨疄鐜癝erializable鎺ュ彛銆傛垜浠畾涔変竴涓被Student濡備笅錛?br />銆銆
public
聽
class
聽Student聽
implements
聽Serializable
{
銆銆
int
聽id錛浡?/span>
//
瀛﹀彿
銆銆String聽name錛浡?/span>
//
濮撳悕
銆銆
int
聽age錛浡?/span>
//
騫撮緞
銆銆String聽department聽
//
緋誨埆
銆銆
public
聽Student(
int
聽id,String聽name,
int
聽age,聽String聽depart
銆銆ment)
{銆銆
this
.id
=
id錛?br />銆銆
this
.name
=
name錛?br />銆銆
this
.age
=
age錛?br />銆銆
this
.department
=
department錛?br />
銆銆}
銆銆}
2
.鏋勯犲璞＄殑杈撳叆錛忚緭鍑烘祦瑕佷覆琛屽寲涓涓璞★紝蹇呴』涓庝竴瀹氱殑瀵硅薄杈撳嚭錛忚緭鍏ユ祦鑱旂郴璧鋒潵錛岄氳繃瀵硅薄杈撳嚭嫻佸皢瀵硅薄鐘舵佷繚瀛樹笅鏉ワ紝鍐嶉氳繃瀵硅薄杈撳叆嫻佸皢瀵硅薄鐘舵佹仮澶嶃?br />java.io聽鍖呬腑錛屾彁渚涗簡ObjectInputStream鍜孫bjectOutputStream灝嗘暟鎹祦鍔熻兘鎵╁睍鑷沖彲璇誨啓瀵硅薄聽銆傚湪ObjectInputStream聽涓敤readObject()鏂規硶鍙互鐩存帴璇誨彇涓涓璞★紝ObjectOutputStream涓敤writeObject()鏂規硶鍙互鐩存帴灝嗗璞′繚瀛樺埌聽杈撳嚭嫻佷腑銆?br />聽銆銆
public
聽
class
聽ObjectSer
{銆銆銆
public
聽
static
聽
void
聽main(String聽args[聽])
throws
聽IOExcep銆銆銆tion,ClassNotFoundException
{銆銆Student聽stu
=
new
聽Student(
981036
,鈥滾iuMing鈥?
18
,鈥滳SD鈥?錛?br />銆銆FileOutputStream聽fo
=
new
聽FileOutputStream(鈥漝ata.ser鈥?錛?br />銆銆ObjectOutputStream聽so
=
new
聽ObjectOutputStream(fo)錛?br />銆銆
try
{銆銆銆銆so.writeObject(stu)錛?br />銆銆銆銆so.close()錛?br />銆銆}
catch
(IOExcption)銆銆
{聽System.out.println(e)錛泒
銆銆stu
=
null
錛?br />銆銆FileInputStream聽fi
=
new
聽FileInputStream(鈥渄ata.ser鈥?錛?br />銆銆ObjetctInputStream聽si
=
new
聽ObjectInputStream(fi)錛?br />銆銆
try
{銆銆銆銆stu
=
(Student)si.readObject錛?br />銆銆銆銆si.close()錛?br />銆銆}
catch
(IOException)銆銆
{System.out.println(e)錛泒
銆銆System.out.println(鈥淪tudent聽Info:鈥?錛?br />銆銆System.out.println(鈥淚D:鈥?/span>
+
stu.id)錛?br />銆銆System.out.println(鈥淣ame:鈥?/span>
+
stu.name)錛?br />銆銆System.out.println(鈥淎ge:鈥?/span>
+
stu.age)錛?br />銆銆System.out.println(鈥淒ep:鈥?/span>
+
stu.department)錛?br />銆銆}
銆銆}
銆銆榪愯緇撴灉濡備笅錛?br />聽銆銆Student聽Info:銆銆ID:
981036
銆銆Name:LiuMing銆銆Age:
18
銆銆Dep:CSD聽鍦ㄨ繖涓緥瀛愪腑錛屾垜浠鍏堝畾涔変簡涓涓被Student錛屽疄鐜頒簡Serializable聽鎺ュ彛聽錛岀劧鍚庨氳繃瀵硅薄杈撳嚭嫻佺殑writeObject()鏂規硶灝哠tudent瀵硅薄淇濆瓨鍒版枃浠堵燿ata.ser涓犮備箣鍚庯紝閫氳繃瀵瑰杈撳叆嫻佺殑readObjcet()鏂規硶浠庢枃浠禿ata.ser涓鍑轟繚瀛樹笅鏉ョ殑Student瀵硅薄聽銆備粠榪愯緇撴灉鍙互鐪嬪埌錛岄氳繃涓茶鍖栨満鍒訛紝鍙互姝ｇ‘鍦頒繚瀛樺拰鎭㈠瀵硅薄鐨勭姸鎬併?br />涓夈佷覆琛屽寲鐨勬敞鎰忎簨欏孤?br />
1
.涓茶鍖栬兘淇濆瓨鐨勫厓绱?br />涓茶鍖栧彧鑳戒繚瀛樺璞＄殑闈為潤鎬佹垚鍛樹氦閲忥紝涓嶈兘淇濆瓨浠諱綍鐨勬垚鍛樻柟娉曞拰闈欐佺殑鎴愬憳鍙橀噺錛岃屼笖涓茶鍖栦繚瀛樼殑鍙槸鍙橀噺鐨勫鹼紝瀵逛簬鍙橀噺鐨勪換浣曚慨楗扮閮戒笉鑳戒繚瀛樸?br />
2
.transient鍏抽敭瀛?br />瀵逛簬鏌愪簺綾誨瀷鐨勫璞★紝鍏剁姸鎬佹槸鐬椂鐨勶紝榪欐牱鐨勫璞℃槸鏃犳硶淇濆瓨鍏剁姸鎬佺殑銆備緥濡備竴涓猅hread瀵硅薄鎴栦竴涓狥ileInputStream瀵硅薄聽錛屽浜庤繖浜涘瓧孌碉紝鎴戜滑蹇呴』鐢╰ransient鍏抽敭瀛楁爣鏄庯紝鍚﹀垯緙栬瘧鍣ㄥ皢鎶ユ帾銆?br />鍙β犲聽錛屼覆琛屽寲鍙兘娑夊強灝嗗璞″瓨鏀懼埌聽紓佺洏涓婃垨鍦ㄧ綉緇滀笂鍙戣揪鏁版嵁錛岃繖鏃跺欏氨浼氫駭鐢熷畨鍏ㄩ棶棰樸傚洜涓烘暟鎹綅浜嶫ava榪愯鐜涔嬪錛屼笉鍦↗ava瀹夊叏鏈哄埗鐨勬帶鍒朵箣涓傚浜庤繖浜涢渶瑕佷繚瀵嗙殑瀛楁錛屼笉搴斅犱繚瀛樺湪姘鎬箙浠嬭川涓狅紝鎴栬呬笉搴旂畝鍗曞湴涓嶅姞澶勭悊鍦頒繚瀛樹笅鏉ヂ狅紝涓轟簡淇濊瘉瀹夊叏鎬с傚簲璇ュ湪榪欎簺瀛楁鍓嶅姞涓妕ransient鍏抽敭瀛椼?br />
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get()涓巌ndexOf()鍖哄埆
聽E錛坙ist涓被鍨嬪弬鏁幫級聽get(
int
聽index)聽聽聽聽聽聽聽聽聽聽聽榪斿洖鍒楄〃涓寚瀹氫綅緗殑鍏冪礌銆偮?br />
int
聽indexOf(Object聽o)聽聽聽聽聽聽聽聽聽聽聽榪斿洖鍒楄〃涓嬈″嚭鐜版寚瀹氬厓绱犵殑绱㈠紩錛屽鏋滃垪琛ㄤ笉鍖呭惈姝ゅ厓绱狅紝鍒欒繑鍥灺?/span>
-
1
銆偮?/span>
瀹炰綋鍏崇郴
7涓叧緋葷被鍨嬶細鍒嗕負鍗曢」鍜屽弻鍚?br />
1
<----->
1
1
---
銆塶
1
<------>
n
1
<----
n..銆傘傘傘傘傘傘傘傘傘?br />鍏崇郴鏁版嵁搴撴ā寮忥細銆傘傘傘傘傘傘?br />銆傘傘傘傘傘傘?br />鎶借薄緙栫▼妯″紡錛?br />銆傘傘傘傘傘傘?br />銆傘傘傘傘傘傘?br />鎶借薄鎸佷箙瀛樺偍妯″紡錛?br />銆傘傘傘傘傘傘?br />銆傘傘傘傘傘傘?/span>
]]>
鍖哄垎"=="鍜宔qual
public
聽
class
聽BB聽
{聽聽聽聽String聽a聽;
public
聽BB(String聽a)
{聽聽聽聽
this
.a聽
=
聽a;聽聽聽聽System.out.println(
"
11
"
);
//
3
}
聽聽聽聽
public
聽
static
聽
void
聽main(String[]聽args)聽
{聽聽聽聽聽聽聽聽String聽s聽
=
聽
new
聽String聽(
"
Computer
"
);
//
姝ゅ涓哄瓧絎︿覆綾伙紝涓哄紩鐢ㄧ被鍨?/span>
聽聽聽聽聽聽聽聽String聽n聽
=
聽
new
聽String聽(
"
Computer
"
);聽聽聽聽聽聽聽聽String聽k
=
"
Computer
"
;
//
涓哄師濮嬬被鍨?/span>
聽聽聽聽聽聽聽聽
char
聽m聽
=
聽k.charAt(
3
);聽聽聽聽聽聽聽聽System.out.println(m);聽聽聽聽聽聽聽聽
if
(s聽
==
聽k)
//
s涓烘寚閽堝湴鍧涓巏涓嶇瓑
聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽n
"
);聽聽聽聽聽聽聽聽
if
(s聽
==
聽
"
Computer
"
)
//
鍚岀悊鍊間笉絳?/span>
聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽A
"
);聽聽聽聽聽聽聽聽
if
(s.equals(
"
Computer
"
))聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽B
"
);
//
s鎸囧悜鐨勫唴瀹逛笌"Computer"鐩哥瓑
聽聽聽聽聽聽聽聽
if
(s.equals(n))聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽n
"
);
//
鍚岀悊
聽聽聽聽聽聽聽聽BB聽b聽
=
聽
new
聽BB(
"
aa
"
);
//
鎵ц3錛岃皟鐢ㄦ瀯閫犲嚱鏁?-銆夎緭鍑?1
聽聽聽聽聽聽聽聽BB聽c聽
=
聽
new
聽BB(
"
aa
"
);
//
BB涓鴻嚜瀹氫箟綾伙紝鎵浠涓嶄負瀛楃涓詫紝鑰屾槸瀵硅薄
聽聽聽聽聽聽聽聽BB聽d聽;聽聽聽聽聽聽聽聽d聽
=
聽c;聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽
if
(b聽
==
聽c)聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽b=c
"
);
//
鏍規湰涓嶅彲鑳斤紝鏄嚜鍔ㄥ垎閰嶇殑鍐呭瓨鍦板潃
聽聽聽聽聽聽聽聽
if
(b.equals(
"
aa
"
))聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽b聽equals聽'aa'
"
);
//
鏄被騫墮潪瀛楃涓茬被
聽聽聽聽聽聽聽聽
if
(b.equals(c))聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽b聽equals聽'c'
"
);
//
b,c閮芥槸瀵硅薄鍐呭涓嶇瓑錛屽唴瀹逛負鍦板潃鍊?/span>
聽聽聽聽聽聽聽聽
if
(d.equals(
"
aa
"
))聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽d聽equals聽'aa'
"
);聽聽聽聽聽聽聽聽
if
(d.equals(c))聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽d聽equals聽'c'
"
);
//
鏃㈢劧浠樺間簡錛屽綋鐒剁浉絳変簡
聽聽聽聽聽聽聽聽
if
(d
==
c)聽聽聽聽聽聽聽聽聽聽聽聽System.out.println(
"
Equal聽d聽equals聽'c'
"
);聽聽聽聽}
絳旀
pEqual聽BEqual聽n
11
11
Equal聽d聽equals聽
'
c
'
Equal聽d聽equals聽
'
c
'
鍙兘涓涓猵ublicpackage聽bishi;聽interface聽聽聽Person聽聽聽{聽聽聽}聽聽聽聽聽//public聽聽聽class聽聽聽Employee聽聽聽extends聽聽聽Person聽聽聽{聽聽聽}聽//瑕佺敤implements瀹炵幇鍊熷彛錛岀戶鎵跨敤extends錛屾枃浠朵腑鍙兘鏈変竴涓猵ublicpublic聽class聽bcd聽implements聽聽聽Person{聽聽聽聽public聽static聽void聽main(String[]聽args)聽{String聽a="asdf";聽聽聽聽}}]]>
]]>
from sc
group by Cno;
鍒嗘瀽錛氳璇彞瀵規煡璇㈢粨鏋滄寜Cno鐨勫煎垎緇勶紝鎵鏈夌浉鍚孋no鍊肩殑鍏冪粍涓轟竴緇?br />鐒跺悗瀵規瘡涓緇勪綔鐢ㄩ泦鍑芥暟COUNT璁＄畻錛屼互姹傚緱璇ョ粍鐨勫鐢熶漢鏁般?br />濡傛灉鍒嗙粍鍚庤繕瑕佹眰鎸変竴瀹氱殑鏉′歡瀵硅繖浜涚粍榪涜絳涢夛紝鏈緇堝彧杈撳嚭婊¤凍鎸囧畾鏉′歡鐨勭粍錛屽垯鍙互浣跨敤HAVING
鐭鎸囧畾絳涢夋潯浠躲?/font>
select Cno,COUNT(Sno)
from sc
group by Cno
having聽 COUNT(*)銆?錛?/font>
select *
from Student
where Sno = '9500';
2)
涓や釜琛ㄧ殑鏌ヨ銆?br />seclect聽 聽Student.*,SC.*
from Student,SC
where聽 Student.Sno = SC.Sno;
3)
澶栬繛鎺?br />select Student.Sno,Sname,Ssex,Sage,Sdept,Cno,Grade
from Student,SC
where Student.Sno = SC.Sno(*)
4)
甯︽湁IN璋撹瘝鐨勫瓙鏌ヨ
渚嬶細
鏌ヨ涓庘滃垬鏅ㄢ濆湪鍚屼竴涓郴瀛︿範鐨勫鐢?br />select Sno,Sname,Sdept
from Student
where Sdept IN
聽聽聽聽聽聽聽聽聽 (select Stept
聽聽聽聽聽聽聽聽聽聽聽 from Student
聽聽聽聽聽聽聽聽聽聽聽 Where Sname = '鍒樻櫒');
鏂規硶2錛?br />select S1.Sno,S1.Sname,S1.Sdept
from Student S1,Student S2
where S1.Sdept = S2.Sdept 聽and聽 S2.Sname = '鍒樻櫒';
5)
瀵規煡璇㈢粨鏋滄帓搴?br />select聽聽 Sno,Grade
from聽 SC
where聽 Cno聽 =聽 '3'
order聽 by聽 grade聽 desc;
6)
鏌ヨ瀛︾敓鎬諱漢鏁?br />select聽 聽count(*)
from聽聽 Student;
璁＄畻1鍙瘋紼嬬殑鏈楂樻垚緇?br />select max(Grade)
from SC
where聽 Cno聽 = '1';聽聽聽 //avg(),sum()涓鍒楀肩殑鎬誨拰銆俢ount錛堬級緇熻鍏冪粍涓暟銆?br />
7錛?br />Statement stmt=con.createStatement();
stmt.executeUpdate("Update bookTable set Title='Java2' where Author='zhang'");
stmt.executeUpdate("Delete from bookTable where Author='zhang'");
stmt.executeUpdate("Insert into bookTable(BookID,Author,Title) values(1,'Li Ming','Java2')"); //鏈粰鍑虹殑鍒楋紝鍏跺間負NULL
]]>
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class AA extends Applet {
聽 private int count = 0;
聽 private Button
聽聽聽 onOff = new Button("Toggle"),
聽聽聽 start = new Button("Start");
聽 private TextField t = new TextField(10);
聽 private boolean runFlag = true;
聽 public void init() {
聽聽聽 add(t);
聽聽聽 start.addActionListener(new StartL());
聽聽聽 add(start);
聽聽聽 onOff.addActionListener(new OnOffL());
聽聽聽 add(onOff);
聽 }
聽 public void go() {
聽聽聽 while (true) {
聽聽聽聽聽 try {
聽聽聽聽聽聽聽 Thread.currentThread().sleep(100);
聽聽聽聽聽 } catch (InterruptedException e){}
聽聽聽聽聽 if(runFlag)
聽聽聽聽聽聽聽 t.setText(Integer.toString(count++));
聽聽聽 }
聽 }
聽 class StartL implements ActionListener {
聽聽聽 public void actionPerformed(ActionEvent e) {
聽聽聽聽聽 go();
聽聽聽 }
聽 }
聽 class OnOffL implements ActionListener {
聽聽聽 public void actionPerformed(ActionEvent e) {
聽聽聽聽聽 runFlag = !runFlag;
聽聽聽 }
聽 }
聽 public static void main(String[] args) {
聽聽聽 AA applet = new AA();
聽聽聽 Frame aFrame = new Frame("AA");
聽聽聽 aFrame.addWindowListener(
聽聽聽聽聽 new WindowAdapter() {
聽聽聽聽聽聽聽 public void windowClosing(WindowEvent e) {
聽聽聽聽聽聽聽聽聽 System.exit(0);
聽聽聽聽聽聽聽 }
聽聽聽聽聽 });
聽聽聽 aFrame.add(applet, BorderLayout.CENTER);
聽聽聽 aFrame.setSize(300,200);
聽聽聽 applet.init();
聽聽聽 applet.start();
聽聽聽 aFrame.setVisible(true);
聽 }
} ///:~
2銆?br />class SuperClass
{
聽int a = 3,b = 6;}
class SubClass extends SuperClass
{
//聽int a=30,b=20;
聽int max(){return ((a > b)? a:b);}}
public class ABC {
聽public static void main(String[] args) {
聽SubClass sb = new SubClass();
聽System.out.println(sb.max());
聽}
}
3.
聽聽 interface聽 Playable聽聽 {
聽聽聽聽聽聽 void聽 play();
聽 }
聽聽聽 interface聽 Bounceable聽聽 {
聽聽聽聽聽聽 void聽 play();
聽 }
聽聽聽 interface聽 Rollable聽 extends聽 Playable, Bounceable聽聽 {
聽聽聽聽聽 Ball ball聽 =聽聽 new聽 Ball( " PingPang " );//interface 閲岄潰鐨勫彉閲忎負public static final
聽 }
聽聽聽 class聽 Ball聽 implements聽 Rollable聽聽 {
聽聽聽聽聽聽 private聽 String name;
聽聽聽聽聽聽聽 public聽 String getName()聽聽 {
聽聽聽聽聽聽聽聽聽聽 return聽 name;
聽聽聽聽聽 }
聽聽聽聽聽聽聽 public聽 Ball(String name)聽聽 {
聽聽聽聽聽聽聽聽聽 this .name聽 =聽 name;聽聽聽聽聽聽聽
聽聽聽聽聽 }
聽聽聽聽聽 public聽聽 void聽 play()聽聽 {
//聽聽聽聽聽聽聽聽聽 ball聽 =聽聽 new聽 Ball( " Football " );
聽聽聽聽聽聽聽聽聽 System.out.println(ball.getName());
聽聽聽聽聽 }
聽 }
4.
public class BB {
聽String a ;
public BB(String a){
聽this.a = a;
聽System.out.println("11");
}
聽public static void main(String[] args) {
聽聽String s = new String ("Computer");
聽聽if(s == "Computer")
聽聽聽System.out.println("Equal A");
聽聽if(s.equals("Computer"))
聽聽聽System.out.println("Equal B");
聽聽BB b = new BB("aa");
聽聽BB c = new BB("aa");
聽聽BB d ;
聽聽d = c;
聽聽
聽聽if(b == c)
聽聽聽System.out.println("Equal b=c");
聽聽if(b.equals("aa"))
聽聽聽System.out.println("Equal b equals 'aa'");
聽聽if(d.equals("aa"))
聽聽聽System.out.println("Equal d equals 'aa'");
聽聽if(d.equals(c))
聽聽聽System.out.println("Equal d equals 'c'");
聽聽if(d==c)
聽聽聽System.out.println("Equal d equals 'c'");
聽}
}
5.
interface聽 A{
聽聽聽 int x = 0;
聽}
聽class B{
聽聽聽 int x =1;
聽}
聽class C extends B implements A {
聽聽聽 public void pX(){
//聽聽聽聽聽聽 System.out.println(x);//涓や釜x閮藉尮閰?瀵逛簬鐖剁被鐨勫彉閲?鍙互鐢╯uper.x鏉ユ槑紜紝鑰屾帴鍙ｇ殑灞炴ч粯璁ら殣鍚負 public static final.鎵浠ュ彲浠ラ氳繃A.x鏉ユ槑紜?/p>
聽聽聽 }
聽聽聽 public static void main(String[] args) {
聽聽聽聽聽聽 new C().pX();
聽聽聽 }
聽}
6.
public class CalC {
聽聽聽聽 void amethod(){
聽聽聽聽聽聽聽 System.out.println("CalC.amethod");
聽聽聽聽聽 }
聽聽聽聽聽 CalC(){//---------銆?
聽聽聽聽聽聽聽聽 amethod();//----銆?
聽聽聽聽聽聽聽聽聽 System.out.println("Hu?");
聽聽聽聽 }
聽聽聽聽 public static void main(String[] args) {
聽聽聽聽聽聽聽聽 // TODO Auto-generated method stub
聽聽聽聽聽聽聽聽 CalC cc = new CalChild();//--1鍒濆鍖栬皟鐢ㄦ瀯閫犳柟娉曪紝鍚戜笂杞瀷錛岃皟鐢ㄥ紬闆鋒瀯閫犳柟娉?br />聽聽聽聽聽聽聽聽 System.out.println("1");
聽聽聽聽聽聽聽聽 cc.amethod();
聽聽聽聽 }
聽}
聽class CalChild extends CalC{
聽聽//----2
聽聽聽聽 void amethod(){//-----5
聽聽聽聽聽聽聽 System.out.println("CalChild.amethod");
聽聽聽 }
聽}
7.
class Vehicle{
聽String str;
聽public Vehicle(){}
聽public Vehicle(String s){
聽聽
聽}
}
聽public class Car {
聽String a;
聽 public Car(String a){this.a = a;}
聽public static void main(String[] args) {
聽聽 Vehicle v = new Vehicle("Hello");
聽聽 Car a;
//聽聽 a = "a";
聽聽v = new Vehicle ("How are You");
聽聽v.str = "How is going";
聽聽System.out.println("Greeting is :" + v+"11");
聽}
}
8.
class聽 Parent{
聽private void method1(){
聽聽System.out.println("Parent's method1()");
聽}
聽public void method2(){
聽聽System.out.println("Parent's method2()");
聽聽method1();
聽}
}
public class Childe extends Parent {
聽public void method1(){
聽聽System.out.println("Child's method1()");
聽}
聽
聽public static void main(String[] args) {
聽Parent p = new Childe();
聽p.method2();
聽}
}聽聽聽聽聽聽聽聽聽
9.
class聽聽 O聽聽 {聽聽
聽聽聽聽聽聽聽 public聽聽 O()聽聽 {聽聽
聽聽聽聽聽聽聽聽聽聽 System.out.println("A's聽聽 c聽聽 is聽聽 here聽聽 ");聽聽
聽聽聽聽聽 }聽聽
聽聽聽聽聽聽 void聽聽 println()聽 {聽聽
聽聽聽聽聽聽聽聽聽聽 System.out.println("A's聽聽 v聽聽 is聽聽 here聽聽 ");聽聽
聽聽聽聽聽聽 }聽聽
聽聽聽 }聽聽
聽class聽聽 P聽聽 extends聽 O {聽聽
聽聽聽聽聽聽 public聽聽 P()聽聽 {聽聽
聽聽聽聽聽聽聽聽聽聽 System.out.println("B's聽聽 c聽聽 is聽聽 here聽聽 ");聽聽
聽聽聽聽聽聽 }聽聽
聽聽聽聽聽聽 void聽聽 println()聽 {聽聽
聽聽聽聽聽聽聽聽聽聽 System.out.println("B's聽聽 v聽聽 is聽聽 here聽聽 ");聽聽
聽聽聽聽聽聽 }聽聽
聽聽 }聽聽
聽聽 public聽聽 class聽聽 Chp_4_2聽 {聽聽
聽聽聽聽聽聽 public聽聽 static聽聽 void聽聽 main(String[]聽聽 args)聽 {聽聽
聽聽聽聽聽聽聽聽聽聽 O聽聽 b聽聽 =聽聽 new聽聽 P();
聽聽聽聽聽聽聽聽聽聽 b.println();
聽聽聽聽聽聽 }聽聽
聽 }
10.
public class Cwich {
聽/**
聽 * @param args
聽 */
聽public static void main(String[] args) {
聽聽int x = 9;
聽聽switch(x){
聽聽default:
聽聽聽System.out.println(1);
聽聽case 1:
聽聽System.out.println(1);
聽聽case 2:
聽聽case 3:
聽聽聽System.out.println(3);break;
聽聽case 4:
聽聽聽System.out.println("4");
//聽聽default:
//聽聽聽break;
聽聽}
11.
class Tree{}
class Pine extends Tree{}
class Oak extends Tree{}
public class Forest {
聽public static void main(String[] args) {
聽聽
聽聽Tree tree = new Pine();
聽聽if(tree instanceof Pine)
聽聽聽System.out.println("Pine");
聽聽if(tree instanceof Tree)
聽聽聽System.out.println("Tree");
聽聽if(tree instanceof Oak)
聽聽聽System.out.println("Oak");
聽聽else
聽聽聽System.out.println("Oops");
聽}
}
12.
class FuZhia {
聽 private int a;
聽聽 public int change(int m) {
聽聽聽聽 return m;聽聽
聽聽 }聽
聽聽聽
聽}
聽public class FuZhi extends FuZhia{
聽聽 public int b;聽
聽 public static void main() {
聽聽 FuZhi聽 aa = new FuZhi();
聽聽 FuZhia聽 bb = new FuZhia();
聽聽聽 int k;聽
聽聽聽 k=bb.change(30);聽
聽聽 }
聽}
13.
import java.sql.*;
public class Jdbc
{
String dbUrl="jdbc:oracle:thin:@127.0.0.1:1521:orcl";
String theUser="admin";
String thePw="manager";
Connection c=null;
Statement conn;
ResultSet rs=null;
public Jdbc()
{
try{
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
c = DriverManager.getConnection(dbUrl,theUser,thePw);
conn=c.createStatement();
}catch(Exception e){
e.printStackTrace();
}
}
public boolean executeUpdate(String sql)
{
try
{
conn.executeUpdate(sql);
return true;
}
catch (SQLException e)
{
e.printStackTrace();
return false;
}
}
public ResultSet executeQuery(String sql)
{
rs=null;
try
{
rs=conn.executeQuery(sql);
}
catch (SQLException e)
{
e.printStackTrace();
}
return rs;
}
public void close()
{
try
{
conn.close();
c.close();
}
catch (Exception e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
ResultSet rs;
Jdbc conn = new Jdbc();
rs=conn.executeQuery("select * from test");
try{
while (rs.next())
{
System.out.println(rs.getString("id"));
System.out.println(rs.getString("name"));
}
}catch(Exception e)
{
e.printStackTrace();
}
}
}
14.
class AB {
聽String s1;
聽String s2;
聽AB(String str1,String str2){
聽聽s1 = str1;s2 = str2;
聽}
聽public String toString(){
聽聽return s1+s2;
聽}
}
public class jiahao {
聽public static void main(String[] args) {
聽聽AB s = new AB("Hello!","I love Java.");
聽聽System.out.println(s.toString());
聽}
}
15.
class N{
聽N(){
聽聽System.out.println("Class N Constructor");
聽}
}
public class M extends N{
聽M(){System.out.println("Class M Constructor");}
聽
聽public static void main(String[] args) {
聽聽M m = new M();
聽}
}
16.
聽聽 class聽 Base聽 {
聽聽聽聽聽聽聽聽 private聽 final聽 void聽 f()聽 {聽 //娉ㄦ剰final
聽聽聽聽聽聽聽聽聽聽 System.out.println( " Base.f() " );
//聽聽聽聽聽聽聽聽聽聽 public int i;//灞閮ㄥ彉閲忓墠涓嶈兘鏀劇疆浠諱綍淇グ絎?br />聽聽聽聽聽聽 }
聽聽 }
聽聽
聽聽聽 class聽 Derived聽 extends聽 Base聽 {
聽聽聽聽聽聽聽聽 public聽 final聽 void聽 f()聽 {聽聽 //娉ㄦ剰final
聽聽聽聽聽聽聽聽聽 System.out.println( " Derived.f() " );
聽聽聽聽聽 }
聽 }
聽聽
聽聽聽 public聽聽 class聽 Main聽聽 {
聽聽聽聽聽聽聽聽聽聽聽 public聽聽 static聽聽 void聽 main(String[] args)聽聽 {
聽聽聽聽聽聽聽聽聽 Derived op1聽 =聽聽 new聽 Derived();
聽聽聽聽聽聽聽聽 Base op2 = op1;
聽聽聽聽聽聽聽聽聽 op1.f();
//聽聽聽聽聽聽聽聽 op2.f();
聽聽聽聽聽 }
聽}
17.
import java.awt.AWTEvent;
import java.awt.TextArea;
import java.awt.event.TextEvent;
public class MyTextArea extends TextArea{
聽public MyTextArea(int nrows,int ncols){
聽聽enableEvents(AWTEvent.TEXT_EVENT_MASK);
聽}
聽public void processTextEvent(TextEvent te){
聽聽System.out.println("Processing a text event.");
聽}
}
18.
public class Outer {
聽final String s = "i am outer class member variable";
聽public void Method(){
聽聽String s1 = "i am inner class variable";
聽聽class InnerClass{
聽聽聽String s2 = "i am inner class variable";
聽聽聽public void innerMethod(){
聽聽聽聽int xyz = 20;
聽聽聽聽System.out.println(s);
聽聽聽聽System.out.println("Integer value is " + xyz);
聽聽聽聽System.out.println(s2);
聽聽聽}
聽聽}
聽}
聽public static void main(String[] args) {
聽聽// TODO Auto-generated method stub
聽}
}
19.
public class Outerclass
{
private class InterClass
{
public InterClass()
{
System.out.println("InterClass Create");
}
}
public Outerclass()
{
InterClass ic = new InterClass();
System.out.println("OuterClass Create");
}
public static void main(String[] args)
{
Outerclass oc = new Outerclass();
}
}
20.
public class Parent1 {
聽 public void test(){ }
聽 public Parent1(){
聽聽聽聽聽聽聽聽 test();
聽聽聽 }
聽 public static void main(String[] args){
聽聽聽聽聽聽聽聽 new Child1();
聽聽聽聽 }
}
class Child1 extends Parent1{
聽聽聽聽聽聽聽 public int instanceValue = 20;
聽聽聽聽聽聽聽 public Child1(){
聽聽聽聽聽聽聽 聽聽聽聽聽 //super();
聽聽聽聽聽聽聽 聽聽聽聽聽 System.out.println("instance value isa: " + instanceValue);
聽聽聽聽聽聽聽 聽 }
聽聽聽 public void test(){
聽聽聽聽聽聽聽聽聽聽聽 System.out.println("instance value is: " + instanceValue);
聽聽聽聽聽聽 }
聽 }
]]>