Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

¹ØÓÚjavaµÄ¼¯ºÏÀà,ÒÔ¼°HashMapÖÐSetµÄÓ÷¨!


¹ØÓÚjavaµÄ¼¯ºÏÀà,ÒÔ¼°HashMapÖÐSetµÄÓ÷¨!
2005-10-22 14:47:43 Sat | ÔĶÁ£¨547£©´Î
package com.tiantian;
import java.util.*;
public class JAVAContainer {
     public static void main(String[] args) throws Exception {
         //     ArrayList
         {
             ArrayList arraylist = new ArrayList();
             arraylist.add(0, "end");//Ö¸¶¨Ë÷Òý¼ÓÈëÖµ
             //     Ðè×¢ÒâµÄÊÇ£¬Èç¹ûÏÖÓÐ2¸öÖµ£¬ÎÒ¼ÓÈëË÷ÒýΪ5µÄÄÇô¾Í»á³öÏÖÒì³£
             for (int i = 0; i < 2; i++) {
                 arraylist.add(i, String.valueOf(i));
             }
             System.out.println("ArrayList:");
             for (int i = 0; i < arraylist.size(); i++) {
                 System.out.print(arraylist.get(i) + ";");
             }
             arraylist.add("0");//Ö±½Ó¼ÓÈëÖµµ½ArrayListµÄ×îºó
             arraylist.add("0");
             System.out.print(" ArrayList's lastIndexOf("0") is "
                    


Ïà¹ØÎĵµ£º

JavaÖ®´Ójar°üÖжÁÈ¡ÅäÖÃÎļþµÄÐÅÏ¢

Java¿ª·¢ÖУ¬×îÖյijÌÐò·¢²¼Ò»°ãÊÇÒª´ò³Éjar°üÐÎʽµÄ£¬¶øÓÐһЩÅäÖÃÎļþÊÇ·ÅÔÚjarÀïÃæµÄ£¬ÕâÑùÔÚ×öFileÐÎʽµÄ¶Áȡʱ£¬¾Í»á·¢ÏÖ¶Á²»µ½ÏàÓ¦µÄÎļþ¡£ÏÂÃæÌṩһÖÖ½â¾ö·½Ê½£ºString fileName = "/config/abcd.config";
InputStream in = getClass().getResourceAsStream(fileName);
BufferedReader br = null;
try{
br = n ......

flex ´¦Àíjavaºǫ́·µ»ØµÄJavaBean

¹ØÓÚflex´¦Àíjava ʵÌåbean£¬ÎÒÒ²²éÁ˺öà×ÊÁÏ£¬ÏÖÔÚÖÕÓڸ㶨£¬Ð´Ò»¸ö¼òµ¥µÄÀý×Ó£¬·ÖÏí¸ø´ó¼Ò
¸ßÊ־Ͳ»Óÿ´ÁË
/*studentʵÌåÀà=java*/
public class Student implements java.io.Serializable{
 private String sNo;
 private String sName;
 get..
 set..
}
/*flex asÀà Student.as*/
packa ......

JAVA¿ª·¢Õß³£È¥µÄ20¸öÓ¢ÎÄÍøÕ¾


1.[http://www.javaalmanac.com] – Java¿ª·¢ÕßÄê¼øÒ»ÊéµÄÔÚÏß°æ±¾. ÒªÏë¿ìËٲ鵽ijÖÖJava¼¼ÇɵÄÓ÷¨¼°Ê¾Àý´úÂë, ÕâÊÇÒ»¸ö²»´íµÄÈ¥´¦.
2.[http://www.onjava.com] – O’ReillyµÄJavaÍøÕ¾. ÿÖܶ¼ÓÐÐÂÎÄÕÂ.
3.[http://java.sun.com] – ¹Ù·½µÄJava¿ª·¢ÕßÍøÕ¾ – ÿÖܶ¼ÓÐÐÂÎÄÕ·¢±í.
4.[http ......

java»ñÈ¡µ±Ç°Ê±¼ä£¨×ªÔØ£©


ÓÐÁ½ÖÖ·½·¨£º
·½·¨Ò»£ºÓÃjava.util.DateÀàÀ´ÊµÏÖ£¬²¢½áºÏjava.text.DateFormatÀàÀ´ÊµÏÖʱ¼äµÄ¸ñʽ»¯£¬¿´ÏÂÃæ´úÂ룺
import java.util.*;
import java.text.*;
//ÒÔÏÂĬÈÏʱ¼äÈÕÆÚÏÔʾ·½Ê½¶¼ÊǺºÓïÓïÑÔ·½Ê½
//Ò»°ãÓïÑÔ¾ÍĬÈϺºÓï¾Í¿ÉÒÔÁË£¬Ê±¼äÈÕÆڵĸñʽĬÈÏΪMEDIUM·ç¸ñ£¬±ÈÈ磺2008-6-16 20:54:53
//ÒÔÏÂÏÔʾµÄÈ ......

RedHat AS4ÅäÖÃJava»·¾³

µ½SunÍøÕ¾ÏÂÔØ×Ô½âѹ°²×°°üjdk-xxxx.bin
°²×°£º
[root@RHEL4 JDK-1.5.0.06]# chmod +x jdk-xxxx.bin
[root@RHEL4 JDK-1.5.0.06]# ./jdk-xxxx.bin
Ñ¡Ôñ°²×°Î»Öã¬
J2SDK°²×°Ä¿Â¼£º /usr/local/jdk
ÅäÖÃJava»·¾³±äÁ¿£º
ÔÚ ~/.bash_profile Àï¼ÓÈëÏÂÁм¸Ðл·¾³±äÁ¿¼´¿É£º
export JAVA_HOME=/usr/local/jdk
export PAT ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ