javaºÍ.net»¥Ïàµ÷ÓÃwebservice×¢ÒâÊÂÏî
×îºóÔÚÑо¿GWT,ÐèÒªÓõ½.net µÄwebservice,ÍøÉÏËÑÁ˵ã´úÂë,»ù±¾ÉÏÎÊÌâ¶à¶à.
JavaÒªµ÷ÓÃ.netµÄwebserviceÊÇÐèÒªÒ»¸öaxisµÄ°üµÄ. ÐèÒªÏÂÔØ,È»ºóÒýÓÃ.
ÒýÓõÄʱºò,ÐèҪעÒâһЩСÎÊÌâ.
Java ¶Ë
public String ServiceLogon(String user, String pwd) throws ServiceException
{
String url="http://localhost/WebServices/Service.asmx";
Service service = new Service();
Call call = (Call)service.createCall();
//We have to figure our the namespace. The java doesn't know where is the namespace
call.setOperationName(new QName("http://localhost/WebServices/Service.asmx","Logon"));
call.addParameter(new QName("http://localhost/WebServices/Service.asmx","username"),XMLType.XSD_STRING, javax.xml.rpc.ParameterMode.IN);
call.addParameter(new QName("http://localhost/WebServices/Service.asmx","password"),XMLType.XSD_STRING, javax.xml.rpc.ParameterMode.IN);
String res = "";
try {
call.setTargetEndpointAddress(new URL("http://localhost/WebServices/Service.asmx"));
res = (String)call.invoke(new Object[]{user,pwd});
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
&n
Ïà¹ØÎĵµ£º
ÉùÃ÷£ºJavaEyeÐÂÎÅÎÄÕµİæÈ¨ÊôÓÚJavaEyeÍøÕ¾ËùÓУ¬ÑϽûÈκÎÍøÕ¾×ªÔØ±¾ÎÄ£¬·ñÔò±Ø½«×·¾¿·¨ÂÉÔðÈΣ¡
ÍÆ¼öÊ®¸ö×îºÃµÄJavaÐÔÄܹÊÕÏÅųý¹¤¾ß£º
1.jconsoleÊÇËæ×ÅJDK 1.5¶øÍƳöµÄ¡£ÕâÊÇÒ»¸öJava¼à²âºÍ¹ÜÀí¿ØÖÆÌ¨-JMX¼æÈݵÄͼÐι¤¾ßÀ´¼à²âJavaÐéÄâ»ú¡£ËüÄܹ»Í¬Ê±¼à²â±¾µØºÍÔ¶³ÌµÄJVMs¡£ÏêÇé¿É²é¿´£ºjconsole¹¤¾ß½ ......
TCPͨ¹ý ServerSocket ºÍ Socket À´ÊµÏÖ´«Êä
UDPÖ÷Ҫͨ¹ý DatagramSocket ºÍ DatagramPacket À´Íê³É´«Êä
Ö±½ÓÉÏ´úÂë
·þÎñÆ÷¶Ë£º
public class UdpServer
{
private DatagramSocket server;
private DatagramPacket packet;
private byte[] b;
private String str;
public UdpServer()
{
Init();
} ......
<Resource name="jdbc/testDB" auth="Container"
type="javax.sql.DataSource"/>
<ResourceParams name="jdbc/testDB">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<parameter>
< ......
ÒÔǰÓùý¼¸´ÎÕâ¸ö¶«¶«£¬µ«Ã¿´Î¶¼ÖØÐ²éѯһ´Î¡£±¾ÎÄÔʼ³ö´¦ÊÇÕâÀï ¡£
£££££££££££££££££££££££££££££££££££££££££££££££££££££££££££
Keytool ÊÇÒ»¸öJava Êý¾ÝÖ¤ÊéµÄ¹ÜÀí¹¤¾ß ,Keytool ½«ÃÜÔ¿£¨key£©ºÍÖ¤Ê飨certificates£©´æÔÚÒ»¸ö³ÆÎªkeystoreµÄÎļþÖÐÔÚk ......
strictfp ¹Ø¼ü×Ö
¿ÉÄܺܶàÈ˶¼Ã»ÓÐÓùýÕâ¸ö¹Ø¼ü×Ö£¬Èç¹ûºÜ¶àÈËÓÃÄDZêÌâÒ²ÏÔµÃûʲôÒâÒåÁË¡£
Ê×ÏÈ¿´Á½¶ÎºÜ¼òµ¥µÄ´úÂ룺
public static void main(String[] args){
double w = 7*8/3;
System.out.println(w);
}
public static strictfp void main(String[] args){
double w = 7*8/3;
System.out.println(w);
......