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

JavaÖ®@SuppressWarnings

ÓÃÁËÕâ¸ö£¬MyEclipseÀï¾Í²»»á±¨ÄÇЩ¾¯¸æÁË£¬¿´ÆðÀ´Æ¯ÁÁ¶àÁË
³£Óõģº
@SuppressWarnings("unchecked"),·ºÐÍ
@SuppressWarnings("deprecation"), deprecated·½·¨
@SuppressWarnings(value={"deprecation","unchecked"}) ˫ѡ
@SuppressWarnings("serial"), ÐòÁл¯
ÆäËûµÄ£º
¹Ø¼ü×Ö
ÓÃ;
deprecation
ʹÓÃÁ˲»ÔÞ³ÉʹÓõÄÀà»ò·½·¨Ê±µÄ¾¯¸æ
unchecked
Ö´ÐÐÁËδ¼ì²éµÄת»»Ê±µÄ¾¯¸æ£¬ÀýÈ統ʹÓü¯ºÏʱûÓÐÓ÷ºÐÍ (Generics) À´Ö¸¶¨¼¯ºÏ±£´æµÄÀàÐÍ¡£
fallthrough
µ± Switch ³ÌÐò¿éÖ±½ÓͨÍùÏÂÒ»ÖÖÇé¿ö¶øÃ»ÓÐ Break ʱµÄ¾¯¸æ¡£
path
ÔÚÀà·¾¶¡¢Ô´Îļþ·¾¶µÈÖÐÓв»´æÔڵķ¾¶Ê±µÄ¾¯¸æ¡£
serial
µ±ÔÚ¿ÉÐòÁл¯µÄÀàÉÏȱÉÙ serialVersionUID ¶¨ÒåʱµÄ¾¯¸æ¡£
finally
ÈκΠfinally ×Ӿ䲻ÄÜÕý³£Íê³ÉʱµÄ¾¯¸æ¡£
all
¹ØÓÚÒÔÉÏËùÓÐÇé¿öµÄ¾¯¸æ¡£


Ïà¹ØÎĵµ£º

Java NIO APIÏê½â

 
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔǰ£¬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 ......

¡¾×ª¡¿DWRÖÐJava·½·¨µÄ²ÎÊý¼°·µ»ØÖµ

1¡¢µ÷ÓÃûÓзµ»ØÖµºÍ²ÎÊýµÄJava·½·¨
1.1¡¢dwr.xmlµÄÅäÖÃ
Xml´úÂë
<dwr>  
  <allow>  
    <create creator="new" javascript="testClass" >  
      <param name="class" value="com.dwr.Test ......

´«ÖDz¥¿ÍµÄJAVA SE¸ß¼¶ÊÓÆµ2 IO ×Ôѧ±Ê¼Ç

´«ÖDz¥¿ÍµÄJAVA SE¸ß¼¶ÊÓÆµ2 IO ×Ôѧ±Ê¼Ç:
FileÀࣺ
    1.IO°üÖÐΨһ´ú±í´ÅÅÌÎļþ±¾ÉíÐÅÏ¢µÄÀ࣬¶ø²»ÊÇÎļþÖÐÄÚÈÝ¡£
    2.´´½¨¡¢É¾³ý¡¢ÖØÃüÃûÎļþµÈ·½·¨¡£
    3.JavaÖÐĿ¼±»µ±×÷Ò»ÖÖÌØÊâÎļþʹÓã¬list·½·¨·µ»ØËùÓÐ×ÓĿ¼ºÍÎļþ¡£
    4.UnixÏ·¾¶· ......

JAVA³õʼ»¯µÄÏÝÚå

ΪÁË˵Ã÷Õâ¸öÎÊÌâÏȸø´ó¼Ò³ö¸öÎÊÌâ°É£º
Çë¿´´úÂ룺
public abstract class A {
public A() {
initMethod();
}
public abstract void initMethod();
}
public class B extends A {
static String staticStr = "static1";
private String testStr = "Test1";
/*
* (non-Javadoc)
*
* @see A#in ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ