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

ÊÕ²Ø java×·¼ÓдÎļþµÄ·½·¨

 import java.io.BufferedWriter;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.RandomAccessFile;
/**
 * ÃèÊö£º×·¼ÓÄÚÈݵ½Îļþĩβ
 * @author Administrator
 *
 */
public class WriteStreamAppend {
 /**
  * ×·¼ÓÎļþ£ºÊ¹ÓÃFileOutputStream£¬ÔÚ¹¹ÔìFileOutputStreamʱ£¬°ÑµÚ¶þ¸ö²ÎÊýÉèΪtrue
  *
  * @param fileName
  * @param content
  */
 public static void method1(String file, String conent) {
  BufferedWriter out = null;
  try {
   out = new BufferedWriter(new OutputStreamWriter(
     new FileOutputStream(file, true)));
   out.write(conent);
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   try {
    out.close();
   } catch (IOException e) {
    e.printStackTrace();
   }
  }
 }
 /**
  * ×·¼ÓÎļþ£ºÊ¹ÓÃFileWriter
  *
  * @param fileName
  * @param content
  */
 public static void method2(String fileName, String content) {
  try {
   // ´ò¿ªÒ»¸öдÎļþÆ÷£¬¹¹Ô캯ÊýÖеĵڶþ¸ö²ÎÊýtrue±íʾÒÔ×·¼ÓÐÎʽдÎļþ
   FileWriter writer = new FileWriter(fileName, true);
   writer.write(content);
   writer.close();
  } catch (IOException e) {
   e.printStackTrace();
  }
 }
 /**
  * ×·¼ÓÎļþ£ºÊ¹ÓÃRandomAccessFile
  *
  * @param fileName
  *            ÎļþÃû
  * @param content
  *            ×·¼ÓµÄÄÚÈÝ
  */
 public static void method3(String fileName, String content) {


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

JAVAµÄǰÊÀ½ñÉú

 -
JavaÊÇÓÉSun Microsystems¹«Ë¾ÓÚ1995Äê5ÔÂÍÆ³öµÄJava³ÌÐòÉè¼ÆÓïÑÔ£¨ÒÔϼò³ÆJavaÓïÑÔ£©ºÍJavaƽ̨µÄ×ܳơ£ÓÃJavaʵÏÖµÄHotJavaä¯ÀÀÆ÷£¨Ö§³ÖJava applet£©ÏÔʾÁËJavaµÄ÷ÈÁ¦£º¿çƽ̨¡¢¶¯Ì¬µÄWeb¡¢Internet¼ÆËã¡£´Ó´Ë£¬Java±»¹ã·º½ÓÊܲ¢Íƶ¯ÁËWebµÄѸËÙ·¢Õ¹£¬³£ÓõÄä¯ÀÀÆ÷ÏÖÔÚ¾ùÖ§³ÖJava applet¡£ÁíÒ»·½Ã棬Java¼¼ÊõÒ ......

Java¶ÔÏó´®Ðл¯ÊµÀý

 1.StudentList.java:
/**
 *
 * @author lucifer
 */
package JavaSerializable;
import java.util.*;
import java.io.*;
public class StudentList implements Serializable{
     Vector list = new Vector(6);
     public StudentList(){} ......

javaÖÐ thisÓ÷¨

±ØÐëÓÃthis¹Ø¼ü×ÖµÄÈýÖÖÇé¿ö:
1.ÎÒÃÇÏëͨ¹ý¹¹Ôì·½·¨½«Íⲿ´«ÈëµÄ²ÎÊý¸³Öµ¸ø³ÉÔ±±äÁ¿,¶ø¹¹Ôì·½·¨µÄÐÎʽ²ÎÊýÓëÀà³ÉÔ±µÄ±äÁ¿ÃûÏàͬ,Õâʱ¾ÍÐèÒªthisÕâ¸ö¹Ø¼ü×ÖÀ´Çø±ð¾Ö²¿±äÁ¿ÓëÀà±äÁ¿;
2.¼ÙÉèÓÐÒ»¸öÈÝÆ÷ÀàºÍÒ»¸ö²¿¼þÀà,ÔÚÈÝÆ÷ÀàµÄij¸ö·½·¨ÖÐÒª´´½¨²¿¼þÀàµÄʵÀý¶ÔÏó,¶ø²¿¼þÀàµÄ¹¹Ôì·½·¨Òª½ÓÊÕÒ»¸ö´ú±íÆäËùÔÚÈÝÆ÷µÄ²ÎÊý,ÕâÊ±Ò²Ò ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ