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ʹÓà java ½øÐÐÎļþ¿½±´ ÏàÐźܶàÈ˶¼»áÓÃ,,²»¹ýЧÂÊÉÏÊÇ·ñ×îºÃÄØ?
×î½ü¿´ÁË¿´NIO¾ö¶¨ÊÔÒ»ÊÔ java  NIO µ½µ×ÓÐʲôÐÔÄܵÄÌáÉý.
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 public static long forJava(File f1,File f2) throws Exception{
  long time=new Date().getTime();
  int length=2097152;
  FileInputStream in=new FileInputStream(f1);
  FileOutputStream out=new FileOutputStream(f2);
  byte[] buffer=new byte[length];
  while(true){
   int ins=in.read(buffer);
   if(ins==-1){
    in.close();
    out.flush();
    out.close();
    return new Date().getTime()-time;
   }else
    out.write(buffer,0,ins);
  }
 }
·½·¨µÄ2²ÎÊý·Ö±ðÊÇԭʼÎļþ,ºÍ¿½±´µÄÄ¿µÄÎļþ.ÕâÀï²»×ö¹ý¶à½éÉÜ.
ʵÏÖ·½·¨ºÜ¼òµ¥,·Ö±ð¶Ô2¸öÎļþ¹¹½¨ÊäÈëÊä³öÁ÷,²¢ÇÒʹÓÃÒ»¸ö×Ö½ÚÊý×é×÷ΪÎÒÃÇÄÚ´æµÄ»º´æÆ÷, È»ºóʹÓÃÁ÷´Óf1 ÖжÁ³öÊý¾Ýµ½»º´æÀï,ÔÚ½«»º´æÊý¾Ýдµ½f2ÀïÃæÈ¥.ÕâÀïµÄ»º´æÊÇ2MBµÄ×Ö½ÚÊý×é
µÚ2ÖÖ·½·¨:ʹÓÃNIOÖеĹܵÀµ½¹ÜµÀ´«Êä
    public static long forTransfer(File f1,File f2) throws Exception{
        long time=new Date().getTime();
        int length=2097152;
        FileInputStream in=new FileInputStream(f1);
        FileOutputStream out=new FileOutputStream(f2);
        FileChannel inC=in.getChannel();
        FileChannel outC=out.getChannel();
        int i=0;
        while(true){
            if(inC.position()==inC.size()){
                inC.close();
                outC.cl


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Java Network Game Programming

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Myeclipse±¨Could not create Java VM

Myeclipse±¨Could not create Java VM
 
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