IDE錛歟clipse3.6+ javaee鐗?br /> 鏂板緩涓涓猨ava宸ョ▼鍚庯紝寤哄涓嬬被鍗沖彲綆鍗曞疄鐜皐ebservice錛?br />
1
import javax.jws.WebService;
2import javax.xml.ws.Endpoint;
3
4@WebService
5
public class HelloWorld {
6
public String sayHello() {
7
return "helloworld";
8
}
9 public static void main(String[] args) {
10 //鍙戝竷涓涓猈ebService
11 Endpoint.publish("http://localhost:9090/HelloWorld", new HelloWorld());
12 }
13
}
14
import javax.jws.WebService;2
import javax.xml.ws.Endpoint;3
4
@WebService5
public class HelloWorld {
6
public String sayHello() { 
7
return "helloworld";8
} 9
public static void main(String[] args) { 10
//鍙戝竷涓涓猈ebService 11
Endpoint.publish("http://localhost:9090/HelloWorld", new HelloWorld()); 12
} 13
}14
鍚姩main鏂規硶鍗沖彲鍙戝竷涓涓獁ebservice鏈嶅姟錛岄氳繃嫻忚鍣ㄨ緭鍏?font style="background-color: #cce8cf" face="Verdana">http://localhost:9090/HelloWorld?wsdl鍗沖彲璁塊棶銆?br /> 娉細HelloWorld鏄竴涓櫘閫氱被錛屽彧鏄湪綾葷殑鍓嶉潰絎?琛屽姞浜嗘敞瑙?font style="background-color: #cce8cf">@WebService錛屽彂甯冩槸鍦ㄧ11琛岋紝http://localhost:9090/HelloWorld鏄彂甯冩湇鍔″湴鍧錛屽叾涓璶ew HelloWorld()鏄湇鍔＄被銆?br /> 鍦ㄥ疄闄呴」鐩紑鍙戜腑鍙互鏈嶅姟鍦板潃浠庣‖緙栫爜涓娊紱誨鐞嗭紝鍐欏埌閰嶇疆鏂囦歡鎴栬呮暟鎹簱涓柟渚跨淮鎶ょ鐞嗭紝淇敼鍦板潃浠庡墠鏈嶅姟鍗沖彲銆?br />
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閫氳繃鏌ョ湅jdk鏂囨。錛屽緱鐭ユ湁涓猚ontains()鏂規硶錛屽鏋滄鍚戦噺鍖呭惈鎸囧畾鐨勫厓绱狅紝鍒欒繑鍥?
true銆傛洿紜垏鍦拌錛屽綋涓斾粎褰撴鍚戦噺鑷沖皯鍖呭惈涓涓弧瓚?(o==null ? e==null : o.equals(e)) 鐨勫厓绱?e 鏃訛紝榪斿洖 true銆?br />
JDK鍘熸枃錛?br />
contains
public boolean contains(Object elem)
- Tests if the specified object is a component in this vector.
- Specified by:
containsin interfaceCollection<E>- Specified by:
containsin interfaceList<E>- Overrides:
containsin classAbstractCollection<E>
- Parameters:
elem- an object.- Returns:
trueif and only if the specified object is the same as a component in this vector, as determined by the equals method;falseotherwise.- 鍥犳錛氬彲浠ラ氳繃璇ユ柟娉曟潵瀹炵幇榪囨護閲嶅鐨勫厓绱犮?/dd>
contains鏂規硶JDK婧愮爜錛?br />
1public boolean contains(Object elem) {
2 return indexOf(elem, 0) >= 0;
3 }1public synchronized int indexOf(Object elem, int index) {
2 if (elem == null) {
3 for (int i = index ; i < elementCount ; i++)
4 if (elementData[i]==null)
5 return i;
6 } else {
7 for (int i = index ; i < elementCount ; i++)
8 if (elem.equals(elementData[i]))
9 return i;
10 }
11 return -1;
12 }娉細contains鏂規硶閲岄潰榪斿洖鐨刬ndexOf(Object elem, int index)鏂規硶錛屽崄鍒嗛噸瑕併?br />
嫻嬭瘯渚嬪瓙錛?br />
1package org.apple.collection.test;
2
3import java.util.Vector;
4
5public class VectorTest {
6
7 /**
8 * @param args
9 */
10 public static void main(String[] args) {
11 // TODO Auto-generated method stub
12 Vector<String> v = new Vector<String>();
13 Vector<String> o = new Vector<String>();
14 v.add("aaaaa");
15 v.add("bbbbb");
16 v.add("aaaaa");
17 v.add("ccccc");
18 for(int i=0;i<v.size();i++)
19 {
20 if(!o.contains(v.get(i)))
21 o.add(v.get(i));
22 }
23 for(int j = 0;j<o.size();j++)
24 {
25 System.out.println(o.get(j));
26 }
27
28 }
29
30}
31杈撳嚭緇撴灉aaaaa bbbbb ccccc
PS錛氭墍浠ラ氳繃contains鏂規硶鍙互鎶婇噸澶嶅厓绱犺繃婊ゆ帀銆?/font>
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姣斿鍙互鏍規嵁褰撳墠鏃墮棿鍜岀敤鎴峰悕鐢熸垚
String username = ...// 榪欎釜鏄敤鎴鋒敞鍐岀殑鐢ㄦ埛鍚?/span>String sign = MD5.encode(username + System.currentTimeMillis());2 鎶婅繖涓瓧絎︿覆淇濆瓨鍒扮敤鎴風殑淇℃伅涓?/strong>
user.setRegisterEmailSign(sign); 3 鍙戦侀偖浠訛紝閾炬帴閲屾湁榪欎釜瀛楃涓?nbsp;
閭歡鍐呭鍖呮嫭涓涓繛鎺?/p>
<a href="....../registerActive?sign=<%=sign%>">鐐瑰嚮姝ら摼鎺ユ縺媧繪偍鐨勫笎鍙?/span></a>4 鐢ㄦ埛嬋媧繪椂錛屾牴鎹瓧絎︿覆錛屾煡鎵懼搴旂殑鐢ㄦ埛錛岀劧鍚庢縺媧?/strong>
// 鎷垮埌嬋媧葷爜 String sign = request.getParameter("sign");
if (!StrTools.isBlank(sign)) {
// 鏌ユ壘瀵瑰簲嬋媧葷爜鐨勭敤鎴鋒槸鍚﹀瓨鍦?/span> UserService us = (UserService) Factory.getBean("UserService"); User u = us.findByEmailSign(sign);
if (u == null) {
out.print("嬋媧葷爜鏃犳晥!"); } else if (u.isActived()) { out.println("璇ョ敤鎴峰凡緇忔槸姝ｅ紡鐢ㄦ埛!"); } else { // 璁劇疆宸茬粡嬋媧葷殑鏍囧織錛?/span> u.setActived(true); if (us.save(u) != null) { out.print("<script>alert('嬋媧繪敞鍐屾垚鍔?);self.location='login.jsp';</script>"); } else { out.print("嬋媧誨け璐?/span>");
} }
}]]>
1. 浠嬬粛
2. 瀹氫箟綆鍗曠殑娉涘瀷
3. 娉涘瀷鍜屽瓙綾葷戶鎵?
4. 閫氶厤絎?Wildcards)
4.1. 鏈夐檺鍒剁殑閫氶厤絎?Bounded Wildcards)
5. 娉涘瀷鏂規硶
6. 涓庢棫浠ｇ爜浜や簰
6.1. 鍦ㄦ硾鍨嬩唬鐮佷腑浣跨敤鑰佷唬鐮?
6.2. 鎿﹂櫎鍜岀炕璇?Erasure and Translation)
6.3. 鍦ㄨ佷唬鐮佷腑浣跨敤娉涘瀷浠ｇ爜
7. 瑕佺偣(The Fine Print)
7.1. 涓涓硾鍨嬬被琚叾鎵鏈夎皟鐢ㄥ叡浜?
7.2. 杞瀷鍜宨nstanceof
7.3. 鏁扮粍Arrays
8. Class Literals as Run-time Type Tokens < 闃呰鍏ㄦ枃
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