Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javaÖеÄsuperÓëc#ÖеÄbase


C#ÖжÔbaseµÄ½âÊÍ(Òý×ÔMSDN):
base ¹Ø¼ü×ÖÓÃÓÚ´ÓÅÉÉúÀàÖзÃÎÊ»ùÀàµÄ³ÉÔ±£º
µ÷ÓûùÀàÉÏÒѱ»ÆäËû·½·¨ÖØÐ´µÄ·½·¨¡£
Ö¸¶¨´´½¨ÅÉÉúÀàʵÀýʱӦµ÷ÓõĻùÀ๹Ô캯Êý¡£
»ùÀà·ÃÎÊÖ»ÄÜÔÚ¹¹Ô캯Êý¡¢ÊµÀý·½·¨»òʵÀýÊôÐÔ·ÃÎÊÆ÷ÖнøÐС£
´Ó¾²Ì¬·½·¨ÖÐʹÓà base ¹Ø¼ü×ÖÊÇ´íÎóµÄ¡£
ÔÚ±¾ÀýÖУ¬»ùÀà Person ºÍÅÉÉúÀà Employee ¶¼ÓÐÒ»¸öÃûΪ Getinfo µÄ·½·¨¡£Í¨¹ýʹÓà base ¹Ø¼ü×Ö£¬¿ÉÒÔ´ÓÅÉÉúÀàÖе÷ÓûùÀàµÄ Getinfo ·½·¨¡£
public class Person
{
    protected string ssn = "444-55-6666";
    protected string name = "John L. Malgraine";
    public virtual void GetInfo()
    {
        Console.WriteLine("Name: {0}", name);
        Console.WriteLine("SSN: {0}", ssn);
    }
}
class Employee : Person
{
    public string id = "ABC567EFG";
    public override void GetInfo()
    {
        // Calling the base class GetInfo method:
        base.GetInfo();
        Console.WriteLine("Employee ID: {0}", id);
    }
}
class TestClass
{
    static void Main()
    {
        Employee E = new Employee();
        E.GetInfo();
    }
}
/*
Output
Name: John L. Malgraine
SSN: 444-55-6666
Employee ID: ABC567EFG
*/
------------------------------------------------------------------------------------------------------------------------------------------
JavaÖеÄsuper£º
superÊÇ×ÓÀàµ÷ÓûùÀàÖеķ½·¨
ÓÚÊÇ£¬ÉÏÃæµÄ´úÂë¾ÍÓ¦¸ÃдΪ
public class Person
{
    protected string ssn = "444-55-6666";
    protected string name = "John L. Malgraine";
    // There is no virturl in Java
    public void GetInfo()
    {


Ïà¹ØÎĵµ£º

javaÖÐÈçºÎʹÓÃamcharts


×î½ü¹«Ë¾Åöµ½ÐèÒªÓÃͼ±íµÄÐÎʽÏÔʾһЩÊý¾Ý£¬ÎҾͿªÊ¼µ½ÍøÉϲéѯ£¬²éµ½ÁËjfreechartºÍamcharts,ÕâÁ½ÕßÎÒ¶¼ÊµÏÖ¹ýÁË£¬jfreechart×îºóÉú³ÉͼƬ£¬µ«ÊÇͼƬЧ¹û²»ÊÇÎÒÏëÒªµÄ£¬È»ºóÓÖÑо¿amcharts ËüµÄЧ¹ûȷʵºÜºÃ£¬¶øÇÒ¹Ù·½ÍøÕ¾ÉÏ»¹ÓкÃЩÀý×ӿɹ©ÏÂÔØ£¬ÍøÖ·ÊÇ:www.amcharts.com
£¨ÏëÒªÍê³ÉÒ»¸öamchartsͼÐÎÐèÒªswfobjects. ......

java webservice

Web Service¸ÅÊö
ʲôÊÇWeb Service
       Web ServiceÊÇÄܹ»»ùÓÚÍøÂ磬ÓÈÆäÊÇ»ùÓÚÍòÎ¬Íø£¨World Wide
Web£©Ö±½Óµ÷ÓõÄÄܹ»´¦ÀíÀëÉ¢ÈÎÎñ»òÁ¬ÐøÈÎÎñµÄÈí¼þÄ£ÐÍ¡£Ä¿Ç°½ÏΪÁ÷ÐеÄÓ¦ÓÃÊÇ£¬ÓÉÒ»¼Ò¹«Ë¾¶ÔÆäרÓÐÊý¾Ý½øÐзâ×°£¬ÌṩWeb
Service£¬È»ºóÆäËü¹«Ë¾¾Í¿ÉÒÔͨ¹ýInternetÀ´¶¯Ì¬Ê¹ÓÃÕâÐ ......

Java½â»ó4 40²»ÇéÔ¸µÄ¹¹ÔìÆ÷

¾¡¹ÜÔÚÒ»¸ö·½·¨ÉùÃ÷Öп´µ½Ò»¸öthrows×Ó¾äÊǺܳ£¼ûµÄ£¬µ«ÊÇÔÚ¹¹ÔìÆ÷µÄÉùÃ÷Öп´µ½Ò»¸öthrows×Ó¾ä¾ÍºÜÉÙ¼ûÁË¡£ÏÂÃæµÄ³ÌÐò¾ÍÓÐÕâÑùµÄÒ»¸öÉùÃ÷¡£ÄÇô£¬Ëü½«´òÓ¡³öÊ²Ã´ÄØ£¿
public class Reluctant {
private Reluctant internalInstance = new Reluctant();
public Reluctant() throws Exception {
throw n ......

Java½â»ó4 41ÓòºÍÁ÷

ÏÂÃæµÄ·½·¨½«Ò»¸öÎļþ¿½±´µ½ÁíÒ»¸öÎļþ£¬²¢ÇÒ±»Éè¼ÆÎªÒª¹Ø±ÕËüËù´´½¨µÄÿһ¸öÁ÷£¬¼´Ê¹ËüÅöµ½I/O´íÎóÒ²ÒªÈç´Ë¡£Òź¶µÄÊÇ£¬Ëü²¢·Ç×ÜÊÇÄܹ»×öµ½ÕâÒ»µã¡£ÎªÊ²Ã´²»ÄÜÄØ£¬ÄãÈçºÎ²ÅÄܶ©ÕýËüÄØ£¿
static void copy(String src, String dest) throws IOException {
InputStream in = null;
OutputStream out = n ......

java¶¯Ì¬´úÀíÓ¦ÓÃÓÚRMI

¶¯Ì¬´úÀíÊÇÖ¸¿Í»§Í¨¹ý´úÀíÀàÀ´µ÷ÓÃÆäËü¶ÔÏóµÄ·½·¨
¶¯Ì¬´úÀíʹÓó¡ºÏ:
•Ô¶³Ì·½·¨µ÷ÓÃ(RMI)
• 
1.´´½¨Ò»¸öʵÏÖ½Ó¿ÚInvocationHandlerµÄÀ࣬Ëü±ØÐëʵÏÖinvoke·½·¨
2.´´½¨±»´úÀíµÄÀàÒÔ¼°½Ó¿Ú
3.ͨ¹ýProxyµÄ¾²Ì¬·½·¨
newProxyInstance(ClassLoader loader, Class[] interfaces, InvocationHandler ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ