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

javaѧϰ±Ê¼Ç

×î½üѧϰjavaµÄIO²Ù×÷£¬ÏÖÕûÀíÈçÏÂ
1   ÊäÈëÊä³ö
  javaµÄ¿â½«³ÌÐòÓëÊäÈëÓйصÄÀà¶¼´ÓInputStream¼Ì³Ð£¬ÓëÊä³öÓйصÄÀà¶¼´ÓOutStream¼Ì³Ð¡£
ÒÔǰûÓÐÕÆÎÕµÄÏà¹ØÀà  SequenceInputStream ½«Á½¸ö»ò¸ü¶àµÄinputStream ת»»³Éµ¥¸ö¶ÔÏóʹÓá£
2 ÔöÌíÊôÐÔºÍÓÐÓõĽӿÚ
×°ÊÎÆ÷ £º ÀûÓòã´Î»¯¶ÔÏó¶¯Ì¬Í¸Ã÷µÄÔö¼Óµ¥¸ö¶ÔÏóµÄÄÜÁ¦µÄ×ö·¨½Ð×ö“×°ÊÎÆ÷” 
3 ÊäÈë
¶ÔÒ»¸öÎļþ½øÐÐÊäÈë²Ù×÷£¬ÐèÒªÒ»¸öFileInputStream ¶ÔÏó£¬ÎªÌá¸ßËÙ¶ÈÐèÒª¶ÔÎļþ½øÐлº³å´¦Àí BufferedInputStream  £¬ÎªÁËÒÔ¸ñʽ»¯µÄÐÎʽ¶ÁÈ¡Êý¾Ý£¬ÎÒÃÇʹÓÃÁËDataInputStream À´½øÐд¦Àí¡£ 
DataInputStream in = new DataInputStream(new BufferedInputStream(new FileInputStream(args[0]))); 
4 ¿ìËÙÎļþÊäÈë
class InFile extends DataInputStream {

public InFile(String fileName) throws FileNotFoundException{
super(new BufferedInputStream(new FileInputStream(fileName)));
}

public InFile(File file) throws FileNotFoundException{
super(new BufferedInputStream(new FileInputStream(file.getPath())));
}
}
ÕâÑùÉè¼Æ¿ÉÒÔ±ÜÃâÿ´ÎÖØ¸´¹»Ôì ¡£
ͬÑù¿ìËÙÎļþÊä³ö¿ÉÒÔ°´ÕÕÉÏÊöµÄ¸ñʽ½øÐй¹Ôì¡£
5 Reader Writer 
inputstream ÊÇ×Ö½ÚÁ÷ £¬¶þreaderÊÇ×Ö·ûÁ÷ ´«µÝunicode ¡£
ҪʹÓÃreadLine()Ó¦¸ÃʹÓÃBufferedReader ,¶þ²»Ó¦¸ÃÔÙʹÓÃDataInputStream 
6 ÖØµ¼Ïò±ê×¼IO package cn.bupt.io;
import java.io.*;
public class Redirect {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
BufferedInputStream in = null ;
try {
in = new BufferedInputStream(new FileInputStream(args[0]));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
PrintStream out = null ;

try {
out = new PrintStream(new BufferedOutputStream(new FileOutputStream(args[1]))) ;
} catch (FileNotFoundException e) {
e.printStackTrace();
}


System.setIn(in) ;
System.setOut(out) ;
System.setErr(out) ;


BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String s = null ;
try {
whil


Ïà¹ØÎĵµ£º

JAVAÖÐ×Ö·û´®ÖªÊ¶Ïê½â

javaÖÐ×Ö·û´®ºÍÕûÐÍÖ®¼äµÄת»¯
1£©ÈçºÎ½«×Ö·û´®×ª»¯ÎªÕûÐÍ£»
   int i = Integer.parseInt(String str);
   int i = Integer.valueOf().intValue();
 
  ×¢£ºInteger.parseIn ºÍ Integer.valueOf ²»Í¬£¬Ç°ÕßÉú³ÉµÄÊÇÕûÐÍ£¬¶øºóÕßÊÇÒ»¸ö¶ÔÏó£¬ËùÒÔҪͨ¹ýintValue()À´»ñµÃ¶ÔÏóµÄÖµ£»
&nb ......

¶¨ÖÆjavaÐéÄâ»ú

×î½üÓÐÍøÓÑÎÊ£ºÈçºÎÈÃÒ»¸öJARÎļþËæJVMÆô¶¯Ê±ÔËÐУ¿java.exeÊDz»Äܹ»×ö³ÉÕâÑùµÄ£¬²»¹ý¿ÉÒÔ×Ô¼º¶¨ÖÆjava.exe£¬¶¨ÖÆjava.exeÔÚÈçÏÂÇé¿öÓÐÓãº
1.²»Ïë³ÌÐòµÄ½ø³ÌÃûÏÔʾΪjava.exe
2.Ï£Íû³ÌÐòË«»÷¾Í¿ÉÒÔÔËÐС£
ÏÂÃæÊÇÒ»¶ÎʾÀý´úÂ룺
// JVM_CPP.cpp : Defines the entry point for the console application.
//
#include ......

java ³õѧÕß µÚ¶þ¸öÎÊÌâ

1.н¨Ò»¸öservlet³ÌÐò£¬ÎļþÃûΪTest.java£¬ÎļþÄÚÈÝÈçÏ£º
package test;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServle ......

JAVAµ÷ÓÃDLLµÄ×¢ÒâÊÂÏî

ÍøÉÏJAVAµ÷ÓÃDLLµÄÎÄÕ²»ÉÙÁË£¬µ«·¢ÏÖÓÐЩ»¹ÊÇÓÐÎÊÌâ¡£¸ÕºÃÑо¿ÁËһϣ¬ÉÔ×ö¸ü¸Äºó£¬ÔÚVC2005ÉϲâÊÔͨ¹ý£¬£¨ReleaseºÍDebug°æ±¾¾ù¿É£©¡£
¸ü¸Äµã£º
1¡¢#include "jni.h"
2¡¢½«jni_md.hÖеģº#define JNICALL __stdcall±äΪ£º#define JNICALL __cdecl (º¯ÊýʹÓõÄÓ¦¸ÃÊÇcÓïÑÔµÄȱʡµ÷Ó÷½Ê½_cdecl·½Ê½£¬·ñÔòDLLÀ ......

javaµ÷Óô洢¹ý³Ì

Õâ¶Îʱ¼ä¿ªÊ¼Ñ§Ï°Ð´´æ´¢¹ý³Ì£¬Ö÷ÒªÔ­Òò»¹ÊÇÒòΪ¹¤×÷ÐèÒª°É£¬±¾À´ÒÔΪºÜ¼òµ¥µÄ£¬µ«¼¸¾­´ìÕÛ£¬ºÀÆøÏûÄ¥´ù¾¡£¬µ«×ÜËã¸ãͨÁË£¬ÎªÁ˱ÜÃâºóÀ´ÕßÉÙ×ßÍä·£¬ÌؼÇÊöÓë´Ë£¬Í¬Ê±Òà¶Ô×Ô¼º½øÐйÄÀø¡£
Ò»£ºÎÞ·µ»ØÖµµÄ´æ´¢¹ý³Ì
´æ´¢¹ý³ÌΪ£º
CREATE OR REPLACE PROCEDURE TESTA(PARA1 IN VARCHAR2,PARA2 IN VARCHAR2)  AS
BEGIN ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ