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

java Ä£ÄâselectorµÄ¸½´ø¹¦ÄÜ

package com.event;
import java.util.Map;
public interface EventListener {
 void onEvent(Map event);
}
package com.socket;
import java.nio.ByteBuffer;
import java.util.HashMap;
import com.event.EventListener;
/*
 * Ô¤´¦ÀíÀà
 */
public class BaseObject {
 private boolean flag;
 private ByteBuffer receivebuffer= ByteBuffer.allocate(20000);
 
 public void print(){
  System.out.println("hello!");
  flag=true;
 }
 public boolean isFlag() {
  return flag;
 }
 public void setFlag(boolean flag) {
  this.flag = flag;
 }
 public ByteBuffer getReceivebuffer() {
  return receivebuffer;
 }
 
 
 public void invoke(EventListener event){
  
  System.out.println("BaseObject invoke");
  HashMap<String, String> map=new HashMap<String, String>();
  map.put("key", "wellcome here");
  event.onEvent(map);
 }
}
package com.socket;
public class Client{
     /*
      * ¶ÔÓ¦µÄÔ¶³Ì¿Í»§¶Ë
      */
 public Client(){
  
 }
 public void run( ) {
  System.out.println("client run");
  
 }
}
package com.socket;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
public class Server {
 private ServerSocketChannel channel;
 private SocketController sc;
 public Server() {
  try {
   sc = new SocketController();
   sc.start();
   channel = ServerSocketChannel.open();
   channel.socket().bind(new InetSocketAddress(8080));
  } catch (IOException e) {
   e.printStackTrace();
  }
 }
 private void start


Ïà¹ØÎĵµ£º

[ת]Oracle ¹«²¼ Java ·¢Õ¹²ßÂÔ


¼×¹ÇÎÄÒѾ­Íê³ÉÁ˶ÔSUN¹«Ë¾µÄÊÕ¹º£¬ÓÚ1ÔÂ27ÈÕ·¢²¼Á˶ÔSun¸÷ÏîÒµÎñµÄÕûºÏ¹æ»®¡£×ÜÌåÉÏ˵£¬OracleÒª³ÉΪÈíÓ²¼þÒ»Ì廯µÄÕûÌå½â¾ö·½°¸µÄ³§ÉÌ¡£ ÒÔÏÂ¾ÍÆä¶Ô±¸ÊܹØ×¢µÄJava·½ÃæµÄ²ßÂÔ×ö¸ö½éÉÜ¡£
Java SE:
1£©ÍƳöJDK SE 7£¬ Ëü½«°üÀ¨¶à¸öÐµĹ¦ÄÜ£¬ÈçÌá¸ß¿ª·¢ÈËÔ±µÄЧÂÊ£¬Ìṩ¸ßÐÔÄÜ£¬¶Ô¶àºËоƬµÄÖ§³ÖµÈ¡£
2£©SunµÄHotSp ......

JavaµÄÄÚ´æÐ¹Â©

JavaµÄÒ»¸öÖØÒªÓŵã¾ÍÊÇͨ¹ýÀ¬»øÊÕ¼¯Æ÷(Garbage Collection£¬GC)×Ô¶¯¹ÜÀíÄÚ´æµÄ»ØÊÕ£¬³ÌÐòÔ±²»ÐèҪͨ¹ýµ÷Óú¯ÊýÀ´ÊÍ·ÅÄÚ´æ¡£Òò´Ë£¬ºÜ¶à³ÌÐòÔ±ÈÏΪJava²»´æÔÚÄÚ´æÐ¹Â©ÎÊÌ⣬»òÕßÈÏΪ¼´Ê¹ÓÐÄÚ´æÐ¹Â©Ò²²»ÊdzÌÐòµÄÔðÈΣ¬¶øÊÇGC»òJVMµÄÎÊÌâ¡£Æäʵ£¬ÕâÖÖÏë·¨ÊDz»ÕýÈ·µÄ£¬ÒòΪJavaÒ²´æÔÚÄÚ´æÐ¹Â¶£¬µ«ËüµÄ±íÏÖÓëC++²»Í¬¡£
ÎÊÌâµÄÌá ......

JavaÓïÑÔ±àÂë¹æ·¶(Java Code Conventions)


 
¡¡Ãû³Æ
JavaÓïÑÔ±àÂë¹æ·¶(Java Code Conventions)
¡¡ÒëÕß
³¿¹â£¨Morning£©
¡¡¼ò½é
±¾Îĵµ½²ÊöÁËJavaÓïÑԵıàÂë¹æ·¶£¬½ÏÖ®³ÂÊÀÖÒÏÈÉú¡¶c++±àÂë¹æ·¶¡·µÄºÆ·±Ï꾡£¬´ËÎĵ±Êô¶ÌС¾«º·ÁË¡£¶øÆäÖÐËùÁÐÖ®¸÷ÏîÌõ¿î£¬´Ó±àÂë·ç¸ñ£¬µ½×¢ÒâÊÂÏ²»µ¥Ö»Java£¬¶ÔÓÚÆäËûÓïÑÔ£¬Ò²¶¼ºÜÓÐ½è¼øÒâÒå¡£ÒòΪ¼ò¶Ì£¬ËùÒÔÒ׼ǣ¬´ó¼Ò² ......

JavaÖÐGraphicsÓ÷¨


import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
 
import javax.swing.JFrame;
import javax.swing.JPanel;
 
public class MyFrame extends JFrame {
 
         /**
       &nb ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ