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

dzÎöJavaÐòÁл¯»úÖÆ

    Javaµ±ÖеÄÐòÁл¯£¬ÆäÖ÷ÒªµÄ×÷ÓÃÊǽ«ÀàµÄʵÀý½øÐÐÎÞËð´«Ê䣬»òÕß˵¾ÍÊÇͨ¹ýJavaµÄÐòÁл¯»úÖÆ£¬JavaÀàµÄʵÀý¿ÉÒÔͨ¹ýObjectÁ÷À´´«ÊäºÍÖØÐ»ñÈ¡£¬¶ø²»»áËð»µÀàµÄʵÀý¡£
    Ê×ÏÈ£¬ÎÒÃÇ¿´¿´Ê²Ã´ÑùµÄÀàÊÇÐòÁл¯À࣬
      1.AÀà×ÔÉíʵÏÖÁËSerializable½Ó¿ÚµÄÀࣻ
      2.AÀà×ÔÉíûÓÐʵÏÖSerializable½Ó¿Ú£¬µ«Æä¸¸ÀàʵÏÖÁËSerializable½Ó¿ÚµÄÀࣻ
    ÒÔÉÏÁ½ÖÖ£¬ÎÒÃÇÈÏΪÊÇÀàAÊÇÐòÁл¯Àà¡£
    ÔÚSCJP¿¼ÊÔµ±ÖоÍÓÐÒ»µÀ¹ØÓÚÐòÁл¯µÄÌâÄ¿£º
    import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
class Food implements Serializable{
Food() {
System.out.print("1");
}
}
class Fruit extends Food implements Serializable {
Fruit() {
System.out.print("2");
}
}
public class Banana2 extends Fruit {
int size = 42;
public static void main(String[] args) {
Banana2 b = new Banana2();
b.serializeBanana2(b); // assume correct serialization
b = b.deserializeBanana2(b); // assume correct
System.out.println(" restored " + b.size + " ");
}
// more Banana2 methods
public static void serializeBanana2(Banana2 b) {
try {
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("c:/a.txt"));
out.writeObject(b);
} catch (Exception e) {
e.printStackTrace();
}
}
public static Banana2 deserializeBanana2(Banana2 b) {
try {
ObjectInputStream in = new ObjectInputStream(new FileInputStream("c:/a.txt"));
return (Banana2) in.readObject();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}

ÕâµÀÌâµÄÊä³ö½á¹ûÊÇ£º121 restored 42
    ´ÓÔËÐнá¹ûÀ´¿´£ºÇ°Á¬¸öÊý×Ö12ÊÇÏÔ¶øÒ×¼ûµÄ£¬ÔÚnew Banana2()µÄʱºòÖ´Ðе쬵«ÊǵÚÈý¸ö1¾Í²»ºÃÀí½âÁË£¬Æäʵ£¬Èç¹û´Ó¶à̬µÄ½Ç¶È¿¼ÂÇ£¬Ò²²»ÄÑÀí½â£¬ÒòΪ·´ÐòÁл¯ÊÇÒªµÃµ½Ô­ÀàµÄʵÀý£¬¶øÕâ¾ÍÐèÒªÔÚ·´ÐòÁл¯Ö®Ç°¾ÍµÃÉùÃ÷Ò»¸öԭʼÀà»òÕßÔ­


Ïà¹ØÎĵµ£º

ÓÃjavaʵÏÖµÄÒ»¸ö¼òµ¥web·þÎñÆ÷³ÌÐò

Ò»¡¢Ê×ÏÈÀ´¿´Ò»ÏÂhttpµÄ±¨ÎĽṹ
1¡¢ÇëÇó±¨ÎÄ
Ò»¸öHTTPÇëÇó±¨ÎÄÓÉÇëÇóÐУ¨request line£©¡¢ÇëÇóÍ·²¿£¨header£©¡¢¿ÕÐкÍÇëÇóÊý¾Ý4¸ö²¿·Ö×é³É£¬ÏÂͼ¸ø³öÁËÇëÇó±¨ÎĵÄÒ»°ã¸ñʽ¡£
(1)ÇëÇóÐÐ
ÇëÇóÐÐÓÉÇëÇó·½·¨×ֶΡ¢URL×ֶκÍHTTPЭÒé°æ±¾×Ö¶Î3¸ö×Ö¶Î×é³É£¬ËüÃÇÓÿոñ·Ö¸ô¡£ÀýÈ磬GET /index.html HTTP/1.1¡£
HTTPЭÒéµÄÇëÇ ......

WebService java µ÷ÓÃ .net·½·¨

package com.test.servlet;
import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;
import org.apache.axis.message.SOAPHeaderElement;
public class WebService {
&nbs ......

java µ÷ÓÃdllÎļþ

//1.´´½¨testdll.javaÎļþ
public class testdll
{
static
{
System.loadLibrary("goodluck");
}
public native static int get();
public native static void set(int i);
public static void main(String[] args)
{
testdll test = new testdll();
test.set(10);
System.out.println(test.get() ......

ʹÓÃjava¶ÁÈ¡URL

import java.net.*;
import java.io.*;
public class ReadDemo
{
public static void main(String argv[])
{
try
{
URL url = new URL("http://blog.chinaunix.net/u/15586/showart_1863289.html");
BufferedRe ......

ÈçºÎ»ñÈ¡javaÀàÖеıäÁ¿ÃûµÄ×Ö´®

ÔÚÀàÖж¨ÒåÁËÒ»¸öÊôÐÔabc£¬ÈçºÎ»ñÈ¡Õâ¸ö±äÁ¿µÄabcµÄÃû×Ö´®ÄØ£¿Ò²¾ÍÊÇ˵Ôõô֪µÀabcÕâ¸ö±äÁ¿µÄÃû×ÖÊÇabc£¬Õâ¸öÎÊÌâ±È½ÏµÄºÃÍæ¡£
Õâ¸öÊÇżÔÚÒ»¿ª·¢ÖÐÓöµ½µÄÒ»¸ö±È½ÏÓÐȤµÄÎÊÌ⣬ÕÒ Á˰ëÌìµÄ×ÊÁϼÓÏÂżÐÁÇÚµÄ˼¿¼£¬ÖÕÓÚÕÒµ½µÄ½â¾ö·½·¨¡£Ó÷´Éä¡«¡«¡«
javaÌṩÁ˺ÜÇ¿´óµÄ·´Éä»úÖÆ£¬¿ÉÒÔ˵±È¶¯Ì¬ÓïÑÔ»¹¶¯Ì¬¡£µ«ÊÇÕâ¸ö¶«¶«Æ½Ê±µ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ