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

javaʵÏÖµÄstack pop·½·¨Ð¡Ï¸½Ú

 Ç°Ð©Ìì±àС³ÌÐò£¬Ð´ÆäÖÐÓÐÒ»¸ö×Ô¼ºÊµÏÖµÄstackµÄpopÈçÏ£º
public class Stack<T>{
 
   private ArrayList<T>  list;
   public Stack(){
          list =  new ArrayList<T>();
}
          public T pop(){
              if(list.size != 0 ){
                 T popOut = list.get(list.size - 1);
                 remove(popOut);
                 return popOut;
             }
             else{
               return null;
            }
 }
}
ÎÒµ±Ê±ÔÚÁíÒ»¸öÀàÀïdebug£¬ã¶ÊÇÕÒ²»³öÀ´£¬×îºó²Å·¢ÏÖÕâÀïµÄpop·½·¨³öÎÊÌâÁË¡£µ±listÊÇintÊý¾Ýʱ£¬ÈôlistΪ1£¬2£¬3£¬2£»pop³öÀ´ÊÇ2£¬µ«ÊÇlist²¢²»ÈçÏëÏóÖеÄΪ1£¬2£¬3£»¶øÊDZä³ÉÁË1£¬3£¬2£»ÕâÊÇÒòΪdoubleµÄequals·½·¨È϶¨Ö»ÒªÖµÒ»ÑùÁ½Õß¾ÍÒ»Ñù£¬ËüpopPutΪ2£¬½Ó×Åremove(2);ËüÔÚÕÒµ½µÚÒ»¸ö2ÊǾÍÈÏΪÄÇÒѾ­Æ¥ÅäÁË£¬¾Í°ÑËüɾ³ý£¬ËùÒÔremoveÖÐÓ¦¸ÃÓÃËûµÄÖØÔØº¯Êýremove(list.size - 1).
µ±È»»¹Ó¦¸Ã×¢ÒâÈôÊÇintÐ͵ÄËûÓÅÏȽ«ÆäÈÏΪÊÇindex¶ø·ÇÊý¾Ý¡£


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 ......

java¶àÏß³ÌÀý×Ó

 µ½ÕâÀïÎÒÃÇ×öÒ»¸öÍêÕûµÄÀý×ÓÀ´ËµÃ÷Ï̲߳úÉúµÄ·½Ê½²»Í¬¶øÉú³ÉµÄÏ̵߳ÄÇø±ð£º
package debug;
import java.io.*;
import java.lang.Thread;
class MyThread extends Thread{
public int x = 0;
public void run(){
System.out.println(++x);
}
}
class R implements Runnable{
private int x = ......

JavaÕýÔò±í´ïʽµÄ½âÊÍ˵Ã÷

1.1.×Ö·û
x    ×Ö·û x¡£ÀýÈça±íʾ×Ö·ûa
\\    ·´Ð±Ïß×Ö·û¡£ÔÚÊéдʱҪдΪ\\\\¡££¨×¢Ò⣺ÒòΪjavaÔÚµÚÒ»´Î½âÎöʱ°Ñ\\\\½âÎö³ÉÕýÔò±í´ïʽ\\£¬ÔÚµÚ¶þ´Î½âÎöʱÔÙ½âÎöΪ\£¬ËùÒÔ·²ÊDz»ÊÇ1.1Áоٵ½µÄתÒå×Ö·û£¬°üÀ¨1.1µÄ\\,¶øÓÖ´øÓÐ\µÄ¶¼ÒªÐ´Á½´Î£©
\0n    ´øÓа˽øÖÆÖµ 0µÄ×Ö·û ......

javaÁ¬½ÓÊý¾Ý¿â

1.javaÁ¬½ÓOracleÊý¾Ý¿â£º
 Class.forName("oracle.jdbc.driver.OracleDriver");
 String url="jdbc:oracle:thin:@127.0.0.1:1521:È«¾ÖÊý¾Ý¿âÃû";
 String uname="Óû§Ãû";
 String pwd="ÃÜÂë";
 Connection cn =DriverManager.getConnection(url,uname,pwd);
 Statement s=cn.createS ......

javaÖеÄÅÅÐò»ã×Ü

 JAVAÅÅÐò»ã×Ü ÊÕ²Ø
package com.softeem.jbs.lesson4;
import java.util.Random;
/**
 * ÅÅÐò²âÊÔÀà
 *
 * ÅÅÐòËã·¨µÄ·ÖÀàÈçÏ£º
 * 1.²åÈëÅÅÐò£¨Ö±½Ó²åÈëÅÅÐò¡¢ÕÛ°ë²åÈëÅÅÐò¡¢Ï£¶ûÅÅÐò£©£»
 * 2.½»»»ÅÅÐò£¨Ã°ÅÝÅÝÅÅÐò¡¢¿ìËÙÅÅÐò£©£»
 * 3.Ñ¡ÔñÅÅÐò£¨Ö±½ÓÑ¡ÔñÅÅÐò¡¢¶ÑÅÅÐò£ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ