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

java¸´ÖÆ£¬¼ôÇУ¬É¾³ýÎļþ²Ù×÷

package OALogic.sql.data;
import java.io.*;
public class FileOperate {
   public FileOperate() {
   }
  
   public static void main(String args[]){
       newFolder("D:/100");
   }
   /**
     * н¨Ä¿Â¼
     * @param folderPath String Èç c:/fqf
     * @return boolean
     */
   public static void newFolder(String folderPath) {
       try {
           String filePath = folderPath;
           filePath = filePath.toString();
           java.io.File myFilePath = new java.io.File(filePath);
           if (!myFilePath.exists()) {
               myFilePath.mkdir();
           }
       }
       catch (Exception e) {
           System.out.println("н¨Ä¿Â¼²Ù×÷³ö´í");
           e.printStackTrace();
       }
   }
   /**
     * н¨Îļþ
     * @param filePathAndName String Îļþ·¾¶¼°Ãû³Æ Èçc:/fqf.txt
     * @param fileContent String ÎļþÄÚÈÝ
     * @return boolean
     */
   public static void newFile(String filePathAndName, String fileContent) {
       try {
           String filePath = filePathA


Ïà¹ØÎĵµ£º

Java ʵÓþ­Ñé×ܽá Swing ƪ


Java ʵÓþ­Ñé×ܽá --Swing ƪ
ǰÑÔ
±¾ÎÄǰÑÔ²¿·ÖΪÎÒµÄһЩ¸ÐÏ룬Èç¹ûÄãÖ»¶Ô±¾ÎĽéÉÜµÄ Java ʵÓü¼ÇɸÐÐËȤ£¬¿ÉÒÔÌø¹ýǰÑÔÖ±½Ó¿´ÕýÎĵÄÄÚÈÝ¡£
±¾ÎĵÄд×÷¶¯»úÀ´Ô´ÓÚ×î½ü½Ó¸øÈ˼ҰïæдµÄÒ»¸öС³ÌÐò£¬Ö÷ÒªÓÃÓÚ¹ÜÀí·ÖÆÚ¸¶¿îµÄ»õ¿îµÄһϵÁйÜÀí£¬°üÀ¨¹ýÆÚ¿îµÄ¼Í¼£¬¹ýÆÚ¿îÀûÏ¢µÄ¼ÆË㣬ΪÌáǰ¸¶¿îµÄÓû§ÌṩһЩ·µ¿î½ ......

¡¾×ª¡¿Java synchronizedÓ÷¨ËѼ¯

ÔÚJavaÖУ¬synchronized¹Ø¼ü×ÖΪ·ÀÖ¹×ÊÔ´³åÍ»ÌṩÁËÖ§³Ö£¬Æä×÷ÓÃÓòÓжþÖÖ£º
ʵÀý·¶Î§¡£
¶ÔÏóʵÀý·¶Î§ÄÚsynchronizedʹÓõÄÁ½ÖÖÐÎʽ£º
ʵÀý·¶Î§Í¬²½·½·¨
publicd class syncTest {

synchronized void aMethod() {
//ÐèҪͬ²½Ê¹ÓõĴúÂë
}

synchronized aMethod(){}¿ÉÒÔ·ÀÖ¹¶à¸öÏß³Ìͬʱ ......

Java iText ¶¯Ì¬ Éú³É PDF Îĵµ ±í¸ñ ÖÐÎÄÎÊÌâ

import java.awt.Color;
import java.io.FileOutputStream;
import com.lowagie.text.Cell;
import com.lowagie.text.Chapter;
import com.lowagie.text.Document;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.List;
import com.lowagie.text.ListItem;
import com.lo ......

µ¶Ê¯Í·²¼ÓÎÏ· java°æ

import java.util.Scanner;
public class Game{
  void welcome(){
   println("»¶Ó­À´µ½¼ôµ¶Ê¯Í·²¼ÓÎÏ·");
  }
 Choice getUserChoice(){
  println("ÇëÑ¡Ôñ\t[1]¼ôµ¶\t[2]ʯͷ\t[3]²¼");
  Scanner sc= new Scanner(System.in);
  int userCh ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ