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

javaÖÐÓë(&)ºÍ»ò(|)ÔËËã

System.out.println(2|0); //0010 0000 =>0010 = 2
System.out.println(2|1); //0010 0001 =>0011 = 3
System.out.println(3|2); //0011 0010 =>0011 = 3
System.out.println(3&2); //0011 0010 =>0010 = 2
/*
  ÔÚjavaÖÐ0´ú±í¼Ù, 1´ú±íÕæ
  00011|0010  ´ÓÓÒµ½×ó±È½Ï0|1 = 1, 1|0 = 1 ½á¹ûΪ0011
  Ð¡Ìáʾ:Integer.toBinaryString(7),¿ÉÒÔ»ñµÃ7µÄ¶þ½øÖÆ
*/


Ïà¹ØÎĵµ£º

Java Ïß³Ì Thread ¶ÔÏóËøµÄwaitºÍnotify½âÎö

ͨ³££¬¶àÏß³ÌÖ®¼äÐèҪЭµ÷¹¤×÷¡£ÀýÈ磬ä¯ÀÀÆ÷µÄÒ»¸öÏÔʾͼƬµÄÏß³ÌdisplayThreadÏëÒªÖ´ÐÐÏÔʾͼƬµÄÈÎÎñ£¬±ØÐëµÈ´ýÏÂÔØÏß³ÌdownloadThread½«¸ÃͼƬÏÂÔØÍê±Ï¡£Èç¹ûͼƬ»¹Ã»ÓÐÏÂÔØÍ꣬displayThread¿ÉÒÔÔÝÍ££¬µ±downloadThreadÍê³ÉÁËÈÎÎñºó£¬ÔÙ֪ͨdisplayThread“ͼƬ׼±¸Íê±Ï£¬¿ÉÒÔÏÔʾÁË”£¬Õâʱ£¬displayThread ......

Java»ñÈ¡ÇëÇó¿Í»§¶ËµÄÕæÊµIPµØÖ·

ͨ³£Í¨¹ýrequest.getRemoteAddr()
È¡µÃ¿Í»§¶ËµÄIPµØÖ·£¬×ö¼øÈ¨ºÍУÑ飬Âß¼­Ã»ÎÊÌ⣬ÄÇô¿Ï¶¨request.getRemoteAddr()³öÁËÎÊÌ⣬googleÏ£¬·¢ÏÖÓÐÈËÓöµ½ÀàËÆµÄÎÊÌâ¡£
×îÖÕ¶¨Î»Îªrequest.getRemoteAddr()ÕâÖÖ·½·¨Ôڴ󲿷ÖÇé¿ö϶¼ÊÇÓÐЧµÄ¡£µ«ÊÇÔÚͨ¹ýÁËApache,SquidµÈ·´Ïò´úÀíÈí¼þ¾Í²»ÄÜ»ñÈ¡µ½¿Í»§¶ËµÄÕæÊµIPµØÖ·ÁË¡£
......

JAVAÍøÂçÓ¦ÓÃϵͳ¿ª·¢µÄÐÂ˼¿¼·½·¨

ÄãÒ²ÐíÊÇÒ»¸ö¹¤³Ìʦ£¬ÕýÔÚʹÓÃEJB¡¢Struts¡¢Hibernate¡¢SpringµÈ¸÷ÖÖ¹úÍâÁ÷ÐеĿò¼Ü¿ª·¢ÄãµÄϵͳÖеĸ÷¸ö²¿·Ö£¬ËüÃÇÖ®¼ä¿¿²»Í¬µÄÅäÖÃÎļþ¡¢½Ó¿Ú¡¢·þÎñÁ¬½ÓÔÚÒ»Æð£¬ÎªÕâЩ½Ó¿Ú¡¢ÅäÖᢷþÎñµÄ±àд¡¢µ÷Óã¬Í·ÌÛÂð£¿
ÄãÒ²ÐíÊÇÒ»¸öPM£¬ ÕýÔÚΪÄãµÄÏîÄ¿²ÉÓÃʲô¿ò¼Ü¡¢ÈçºÎ·Ö×é¡¢ÈçºÎЭµ÷¡¢¸÷ÖÖ¿ò¼ÜµÄÓÅÁÓ×öÆÀ¹À¡¢²âÊÔ£¬ÎªÄãµÄÓ¦Ó ......

Java×÷Òµ02

package homework02;
import java.util.Scanner;
/*
* ±àдÁ½¸öÀࣺAºÍB£¬ÀàA´´½¨µÄ¶ÔÏó¿ÉÒÔ¼ÆËãÁ½¸öÕýÕûÊýµÄ×î´ó¹«Ô¼Êý£¬ÀàB´´½¨µÄ
* ¶ÔÏó¿ÉÒÔ¼ÆËãÁ½¸öÊýµÄ×îС¹«±¶Êý¡£ÒªÇó£ºÀàBÖÐÓÐÒ»¸ö³ÉÔ±±äÁ¿Ê±ÓÃÀàAµÄÉùÃ÷¶ÔÏó¡£
*/
public class A {
private int m;
private int n;
public A(){
this.intput();
......

JavaÔ¶³ÌͨѶ¿ÉÑ¡¼¼Êõ¼°Ô­Àí

ÔÚ·Ö²¼Ê½·þÎñ¿ò¼ÜÖУ¬Ò»¸ö×î»ù´¡µÄÎÊÌâ¾ÍÊÇÔ¶³Ì·þÎñÊÇÔõôͨѶµÄ£¬ÔÚJavaÁìÓòÖÐÓкܶà¿ÉʵÏÖÔ¶³ÌͨѶµÄ¼¼Êõ£¬ÀýÈ磺RMI¡¢MINA¡¢ESB¡¢Burlap¡¢Hessian¡¢SOAP¡¢EJBºÍJMSµÈ£¬ÕâЩÃû´ÊÖ®¼äµ½µ×ÊÇЩʲô¹ØÏµÄØ£¬ËüÃDZ³ºóµ½µ×ÊÇ»ùÓÚʲôԭÀíʵÏÖµÄÄØ£¬Á˽âÕâЩÊÇʵÏÖ·Ö²¼Ê½·þÎñ¿ò¼ÜµÄ»ù´¡ÖªÊ¶£¬¶øÈç¹ûÔÚÐÔÄÜÉÏÓиߵÄÒªÇóµÄ»°£¬ÄÇÉ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ