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

JAVA³õʼ»¯Ë³Ðò


Java³õʼ»¯Ë³Ðò
ÏÈ¿´Ò»¸öÀý×Ó£º
/**ÀàA**/ 
class TestA {  
    public TestA(String a){  
        System.out.println(a);  
    }  
}  
/**ÀàB**/ 
 class TestB {  
    public TestB(String b){  
        System.out.println(b);  
    }  
}  
/**Àà Parent **/ 
 class Parent {  
    private static TestA testA1 = new TestA("ParentµÄ¾²Ì¬±äÁ¿");  
    static {  
        System.out.println("ParentµÄ¾²Ì¬³õʼ»¯Ä£¿é");  
    }  
    private  TestA testA2 = new TestA("Parent±äÁ¿");  
    {  
        System.out.println("ParentµÄ³õʼ»¯Ä£¿é");  
    }  
    public Parent(){  
        System.out.println("ParentµÄ¹¹Ô캯Êý");  
    }  
}  
 
/**ParentµÄ×ÓÀàSubClass**/ 
public class SubClass extends Parent{  
    private static TestA testA1 = new TestA("SubClassµÄ¾²Ì¬±äÁ¿1");  
    static {  
        System.out.println("SubClassµÄ¾²Ì¬³õʼ»¯Ä£¿é1");  
    }  
    private static TestA testA2 = new TestA("SubClassµÄ¾²Ì¬±äÁ¿2");  
    static {  
        System.out.println("SubClassµÄ¾²Ì¬³õʼ»¯Ä£¿é2");  
    }  
    private  TestA testA3 =


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 ......

javaʹÓÃrocksawºÍvserv tcpipʵÏÖ»ùÓÚICMPµÄPing¹¦ÄÜ

Ò»£º×¼±¸ www.savarese.org download
 1.  rocksaw-1.0.0-src.tar.gz
 2.  vserv-tcpip-0.9.2-src.tar.gz
¶þ£º±àÒëÔ´ÎļþµÃµ½jar°ü ʹÓÃAnt
 1.  build vserv-tcpip-0.9.2-src
      ÔÚvserv-tcpip-0.9.2Ŀ¼ÏÂÃæ½¨Ò»¸ötestsĿ¼£¬È»ºóÔÚcmd´°¿ÚϽøÈë ......

Java I/O³£ÓÃÁ÷ʾÀý

package io;
import java.io.*;
/**
* @author ¸ßÕíÎâÓÇ
* ÀûÓûº³åÇøÔ­Àí,BufferedInputStream,
* ʵÏÖµÄÎļþ×Ö½ÚÁ÷¶ÁÈ¡¹¦ÄÜʾ·¶
*
*/
public class BufferedInOutputStream {
public BufferedInOutputStream() {
ioTest2();
}
public void ioTest2() {
FileInputStream in = null ;
BufferedInput ......

JavaÖжÑÓëÕ»µÄÇø±ð

Õ»Óë¶Ñ¶¼ÊÇJavaÓÃÀ´ÔÚRAMÖдæ·ÅÊý¾ÝµÄµØ·½¡£ÓëC++²»Í¬£¬Java×Ô¶¯¹ÜÀíÕ»ºÍ¶Ñ£¬³ÌÐòÔ±²»ÄÜÖ±½ÓµØÉèÖÃÕ»»ò¶Ñ¡£
JavaµÄ¶ÑÊÇÒ»¸öÔËÐÐʱÊý¾ÝÇø,ÀàµÄ¶ÔÏó´ÓÖзÖÅä¿Õ¼ä¡£ÕâЩ¶ÔÏóͨ¹ýnew¡¢newarray¡¢anewarrayºÍmultianewarrayµÈÖ¸ÁÁ¢£¬ËüÃDz»ÐèÒª³ÌÐò´úÂëÀ´ÏÔʽµÄÊÍ·Å¡£¶ÑÊÇÓÉÀ¬»ø»ØÊÕÀ´¸ºÔðµÄ£¬¶ÑµÄÓÅÊÆÊÇ¿ÉÒÔ¶¯Ì¬µØ·ÖÅäÄÚ´æ´ ......

java×óÒÆ¡¢ÓÒÒÆ¡¢ÎÞ·ûºÅÓÒÒÆ¡¢²¹Âë


Ãû´Ê½âÊÍ£º
²¹Â룺1 ÔÚ¼ÆËã»úϵͳÖУ¬ÊýÖµÒ»ÂÉÓв¹ÂëÀ´±íʾ(´æ´¢). ʹÓò¹Âë,¿ÉÒÔ½«·ûºÅλºÍÆäËûλͳһ´¦Àí;ͬʱ,¼õ·¨Ò²¿É°´¼Ó·¨À´´¦Àí.ÁíÍâ,Á½¸öÓò¹Âë±íʾµÄÊý¾ÝÏà¼Óʱºò,Èç¹û×î¸ßλ(·ûºÅλ)ÓнøÎ»,Ôò½øÎ¥±»ÉáÆú.
               2 ²¹ÂëÓëÔ­Â ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ