Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

¹ØÓÚc#ºÍjavaÖÐÊý×éµÄ±È½Ï

 javaÖÐʹÓöþά Êý×é
ognNf_v
public class Array2D...{
m @EvM)y0e2r
s
    public static void main(String[] args)...{JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§ ~j!lSR ^ z5bR5O
        int myInt[][]=new int[5][10];
@XH3ao\
        //±éÀú£¬¸øÊý×éÖеÄÿһ¸öÊý×鸳ֵJAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§ R8p'd3\`lT
        for(int i=0;i<myInt.length;i++)...{JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§fqHZUI#K
            for(int j=0;j<myInt[0].length;j++)...{JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§q"VYu{
                myInt[j]=i*j;JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§oKg2om|X2o
            }
Qw `h]2Q
        }JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§YoPgh
hN
        System.out.println ("myInt.length="+myInt.length+",myInt[0].length="+myInt[0].length);JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§ds;m&{T'CwI
K/x
        //Êä³öÊý×éÿһάµÄÏÂÏÞºÍÉÏÏÞ
+l5z9G {h
{Z7^
        for(int i=0;i<myInt.length;i++)...{
\%lw]-z_
            for(int j=0;j<myInt[0].length;j++)...{JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§6l0i
m$l@;vq[Q
                System.out.println ("myInt["+i+"]["+j+"]="+myInt[j]);JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§itTWP2Ij
            }JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§e@2A|
r
        }
D-n1r)x|+ra/E+k
    }JAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§iF o/{#Ia'E$e
}
4VnR"f9o
    ÔÚC#ÖÐint[][] myIntÊÇÉùÃ÷Ò»¸ö½»´íÊý×飬ÉùÃ÷¶þάÊý×éÊÇÕâôÉùÃ÷int[,] myInt£¬ÉÏÃæµÄ´úÂëÈç¹û»»³ÉC#µÄ£¬ÐèÒªÈçϱíʾ£ºJAVAÖÐÎÄÕ¾ÉçÇøÃÅ»§h-Rvy7buI
Xr P @8m
    class clsArrat2D
%xTVs2`a M:E5p
  &


Ïà¹ØÎĵµ£º

Java NIO APIÏê½â

 
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔÇ°£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......

java filterÓ÷¨´óÈ«

¹Ø¼ü×Ö: filter
    ¹ýÂËÆ÷FilterÒ²¾ßÓÐÉúÃüÖÜÆÚ£ºinit()->doFilter()->destroy()£¬Óɲ¿ÊðÎļþÖеÄfilterÔªËØÇý¶¯¡£ÔÚservlet2.4ÖУ¬¹ýÂËÆ÷ͬÑù¿ÉÒÔÓÃÓÚÇëÇó·ÖÅÉÆ÷£¬µ«ÐëÔÚweb.xmlÖÐÉùÃ÷£¬<dispatcher>INCLUDE»òFORWARD»òREQUEST»òERROR</dispatcher>¸ÃÔªËØλÓÚfilter-mappingÖС£
Ò»¡ ......

Java BeanÔ­ÀíÓëÓ¦ÓÃ

   ¡¡¡¡1¡¢Ê²Ã´ÊÇJavaBean£¿  
   
  ¡¡¡¡JavaBeanÊÇÃèÊöJavaµÄÈí¼þ×é¼þÄ£ÐÍ£¬ÓеãÀàËÆÓÚMicrosoftµÄCOM×é¼þ¸ÅÄî¡£ÔÚJavaÄ£ÐÍÖУ¬Í¨¹ýJavaBean¿ÉÒÔÎÞÏÞÀ©³äJava³ÌÐòµÄ¹¦ÄÜ£¬Í¨¹ýJavaBeanµÄ×éºÏ¿ÉÒÔ¿ìËÙµÄÉú³ÉеÄÓ¦ÓóÌÐò¡£¶ÔÓÚ³ÌÐòÔ±À´Ëµ£¬×îºÃµÄÒ»µã¾ÍÊÇJavaBean¿ÉÒÔʵÏÖ´úÂëµÄÖظ´ÀûÓ ......

javaÖÐ ×î³£ÓõÄString µÄÓ÷¨

String : ×Ö·û´®ÀàÐÍ
Ò»¡¢¹¹Ô캯Êý
String(byte[ ] bytes)£ºÍ¨¹ýbyteÊý×é¹¹Ôì×Ö·û´®¶ÔÏó¡£
String(char[ ] value)£ºÍ¨¹ýcharÊý×é¹¹Ôì×Ö·û´®¶ÔÏó¡£
String(Sting original)£º¹¹ÔìÒ»¸öoriginalµÄ¸±±¾¡£¼´£º¿½±´Ò»¸öoriginal¡£
String(StringBuffer buffer)£ºÍ¨¹ýStringBufferÊý×é¹¹Ôì×Ö·û´®¶ÔÏó¡£
ÀýÈ磺
byte[] b = ......

java»ñÈ¡SQL²éѯ½á¹û¼¯ÖеÄÐÐÊýºÍÁÐÊý

http://cheneyph.javaeye.com/blog/477829
         ÔÚJavaÖУ¬»ñµÃResultSetµÄ×ÜÐÐÊýµÄ·½·¨ÓÐÒÔϼ¸ÖÖ¡£
µÚÒ»ÖÖ£ºÀûÓÃResultSetµÄgetRow·½·¨À´»ñµÃResultSetµÄ×ÜÐÐÊý
Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABL ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ