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

JAVA·´ÉäÀà

import java.lang.reflect.Array;
public class ReflectionTest {
    public static void main(String[] args) {
        try {
            Example obj = new Example();
            java.lang.reflect.Field[] F1 = obj.getClass().getDeclaredFields();
            String Name = new String();
            for (int i = 0; i < F1.length; i++) {
                System.out.println(F1[i].getType());
                System.out.println(F1[i].getName());
                Name = F1[i].getName();
            }
            //Assume that you have known that "F1[1]" is the char array
            int length = Array.getLength(F1[1].get(obj));
            System.out.println("The length of c1 is: " + length);
        } catch (Exception e) {
            System.out.println("err occur");
        }
    }
}
class Example {
    int I1 = 3;
    char c1[] = new char[10];
}


Ïà¹ØÎĵµ£º

javaÖÐ120¸ö¾­µäÎÊÌâ4

91¡¢ServletÖ´ÐÐʱһ°ãʵÏÖÄö·½·¨£¿
    public void init(ServletConfig config)
    public ServletConfig getServletConfig()
    public String getServletInfo()
    public void service(ServletRequest request,ServletResponse response)
&n ......

JavaÖÐ×Ö·û´®£¨String£©µÄ´æ´¢ºÍ¸³ÖµÔ­Àí

¿ÉÄܺܶàjavaµÄ³õѧÕß¶ÔStringµÄ´æ´¢ºÍ¸³ÖµÓÐÃÔ»ó£¬ÒÔÏÂÊÇÒ»¸öºÜ¼òµ¥µÄ²âÊÔÓÃÀý£¬ÄãÖ»ÐèÒª»¨¼¸·ÖÖÓʱ¼ä±ã¿ÉÀí½â¡£
1.ÔÚ¿´Àý×Ó֮ǰ£¬È·±£ÄãÀí½âÒÔϼ¸¸öÊõÓ
 
Õ» £ºÓÉJVM·ÖÅäÇøÓò£¬ÓÃÓÚ±£´æÏß³ÌÖ´Ðе͝×÷ºÍÊý¾ÝÒýÓá£Õ»ÊÇÒ»¸öÔËÐеĵ¥Î»£¬JavaÖÐÒ»¸öÏ߳̾ͻáÏàÓ¦ÓÐÒ»¸öÏß³ÌÕ»ÓëÖ®¶ÔÓ¦¡£
 
¶Ñ £ºÓÉJVM·ÖÅä ......

javaʵս¼¼ÇÉ ¹ØÓÚ¸ñʽ»¯Êä³öÈÕÆÚ

javaʵս¼¼ÇÉ--¹ØÓÚ¸ñʽ»¯Êä³öÈÕÆÚ
ʹÓÃSimpleDateFormat ¸ñʽ»¯Êä³öÈÕÆÚÓë
ʹÓÃCalendar ¸ñʽ»¯Êä³öÈÕÆÚ
ÔÚºÄʱÉϵĶԱÈÈçÏÂ
²âÊÔÈí¼þƽ̨
win 7,CUP T4200,ÄÚ´æ 2G,
eclipse 3.5,
android sdk1.5
²âÊÔÓ²¼þƽ̨
T Mobile G1,
SimpleDateFormatµÄÊä³öÒª±ÈCalendar Âý2±¶ÒÔÉÏ
SimpleDateFormatµÄ¸ñʽÓÐÏÞÖÆ
±ÈÈç ......

Java×Ö½ÚÐò

¡¡ÒÔ϶ÔBIG-ENDIAN¡¢LITTLE-ENDIANµÄ½âÊÍÕýºÃŪ·´ÁË£¡£¡£¡£¡
¡¡¡¡BIG-ENDIAN£¨´ó×Ö½ÚÐò¡¢¸ß×Ö½ÚÐò£©
¡¡¡¡LITTLE-ENDIAN£¨Ð¡×Ö½ÚÐò¡¢µÍ×Ö½ÚÐò£©
¡¡¡¡Ö÷»ú×Ö½ÚÐò
¡¡¡¡ÍøÂç×Ö½Ú˳Ðò
¡¡¡¡JAVA×Ö½ÚÐò
¡¡¡¡1£®BIG-ENDIAN¡¢LITTLE-ENDIAN¸ú¶à×Ö½ÚÀàÐ͵ÄÊý¾ÝÓйصıÈÈçint,short,longÐÍ£¬¶ø¶Ôµ¥×Ö½ÚÊý¾ÝbyteȴûÓÐÓ°Ïì¡£BIG- ......

ÈçºÎʹÓÃJavaÖеÄDateºÍCalendarÀà

Java ÓïÑÔµÄCalendar(ÈÕÀú),Date(ÈÕÆÚ), ºÍDateFormat(ÈÕÆÚ¸ñʽ)×é³ÉÁËJava±ê×¼µÄÒ»¸ö»ù±¾µ«ÊǷdz£ÖØÒªµÄ²¿·Ö. ÈÕÆÚÊÇÉÌÒµÂß¼­¼ÆËãÒ»¸ö¹Ø¼üµÄ²¿·Ö. ËùÓеĿª·¢Õß¶¼Ó¦¸ÃÄܹ»¼ÆËãδÀ´µÄÈÕÆÚ, ¶¨ÖÆÈÕÆÚµÄÏÔʾ¸ñʽ, ²¢½«Îı¾Êý¾Ý½âÎö³ÉÈÕÆÚ¶ÔÏó. ÎÒÃÇдÁËÁ½ÆªÎÄÕÂ, ÕâÊǵÚһƪ, Î ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ