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 ;
BufferedInputStream bi = null;
int i= 0;
int count=0;
try{
in = new FileInputStream("D:/j/o/java2.txt");
bi = new BufferedInputStream(in);
while(( i=bi.read())!=-1) {
System.out.print((char)i);
count++;
}
System.out.println(count);
in.close();
bi.close();
}catch (IOException e){
e.printStackTrace();
}
}
public static void main(String[] args) {
new BufferedInOutputStream();
}
}
----------------------------------
package io;
import java.io.*;
/**
* @author Owner ÀûÓûº³åÇøÔÀí,BufferedInputStr
Ïà¹ØÎĵµ£º
ÀàµÄ³õʼ»¯ºÍ¶ÔÏó³õʼ»¯ÊÇ JVM ¹ÜÀíµÄÀàÐÍÉúÃüÖÜÆÚÖзdz£ÖØÒªµÄÁ½¸ö»·½Ú£¬Google ÁËÒ»±éÍøÂ磬ÓйØÀà×°ÔØ»úÖÆµÄÎÄÕµ¹ÊDz»ÉÙ£¬È»¶øÀà³õʼ»¯ºÍ¶ÔÏó³õʼ»¯µÄÎÄÕ²¢²»¶à£¬ÌرðÊÇ´Ó×Ö½ÚÂëºÍ JVM ²ã´ÎÀ´·ÖÎöµÄÎÄÕ¸üÊÇÏÊÓÐËù¼û¡£
±¾ÎÄÖ÷Òª¶ÔÀàºÍ¶ÔÏó³õʼ»¯È«¹ý³Ì½øÐзÖÎö£¬Í¨¹ýÒ»¸öʵ¼ÊÎÊÌâÒýÈ룬½«Ô´´úÂëת»»³É JVM ×Ö½ÚÂëºó£¬ ......
ʹÓà java ½øÐÐÎļþ¿½±´ ÏàÐźܶàÈ˶¼»áÓÃ,,²»¹ýЧÂÊÉÏÊÇ·ñ×îºÃÄØ?
×î½ü¿´ÁË¿´NIO¾ö¶¨ÊÔÒ»ÊÔ java NIO µ½µ×ÓÐʲôÐÔÄܵÄÌáÉý.
µÚÒ»ÖÖ·½·¨:¹ÅÀϵķ½Ê½
public static long forJava(File f1,File f2) throws Exception{
long time=new Date().getTime();
int length=2097152;
FileInp ......
ÏÈÉùÃ÷һϣ¬ÌâĿԳöÓÚ£ºhttp://gocom.primeton.com/modules/newbb/item60284_60284.htm
JVMÊÇJava³ÌÐòµÄÔËÐл·¾³£¬Òò´Ë¶ÔÓÚJVMµÄÕÆÎÕÓÐÖúÓÚÀí½âJava³ÌÐòµÄÖ´ÐÐÒÔ¼°±àд£¬ÓÈÆäÊÇÔËÐÐʱÅöµ½µÄһЩ¹îÒìÎÊÌ⣬ÄÇôÔõôÑùÄÜ¿¼²ì×Ô¼º¶ÔÓÚJVM¹Ø¼ü֪ʶµãµÄÕÆÎÕÇé¿ö£¬°ïÖúѧϰJVM»úÖÆÄØ£¬ÔÚÕâÆªblogÖÐÀ´Ì½ÌÖÏ¡£
¶ÔÓÚJava³ÌÐò¶øÑ ......
ListenerÊÇServletµÄ¼àÌýÆ÷£¬Ëü¿ÉÒÔ¼àÌý¿Í»§¶ËµÄÇëÇó¡¢·þÎñ¶ËµÄ²Ù×÷µÈ¡££¨Í¨¹ý¼àÌýÆ÷£¬¿ÉÒÔ×Ô¶¯¼¤·¢Ò»Ð©²Ù×÷£¬±ÈÈç¼àÌýÔÚÏßµÄÓû§µÄÊýÁ¿¡£µ±Ôö¼ÓÒ»¸öHttpSessionʱ£¬¾Í¼¤·¢
sessionCreated(HttpSessionEvent se)·½·¨£¬ÕâÑù¾Í¿ÉÒÔ¸øÔÚÏßÈËÊý¼Ó1¡££©
Servlet ¼àÌýÆ÷ÓÃÓÚ¼àÌýÒ»Ð©ÖØÒªÊ¼þµÄ·¢Éú£¬¼àÌýÆ÷¶ÔÏóÔÚÊÂÇé·¢Éúǰ¡¢·¢ ......
±¾ÎĽ²½âÁËJavaÐòÁл¯µÄ»úÖÆºÍÔÀí¡£´ÓÎÄÖÐÄã¿ÉÒÔÁ˽âÈçºÎÐòÁл¯Ò»¸ö¶ÔÏó£¬Ê²Ã´Ê±ºòÐèÒªÐòÁл¯ÒÔ¼°JavaÐòÁл¯µÄËã·¨¡£
00 00 00 0B: 11, containVersionµÄÖµ.
0x70:TC_NULL£¬Ã»Óг¬ÀàÁË¡£
0x49: ÓòÀàÐÍ. 49 ´ú±í"I", Ò²¾ÍÊÇInt..
00 0E: ÓòÃû×Ö³¤¶ ......