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

java°æ 2·Ö²éÕÒ

 
/**
 * ²ÉÓÃ2·Ö·¨ÊµÏÖÓÐÐòÊý×éµÄÔöɾ²é
 * ÓÉÓÚÊý×鶨ÒåÁË´óС¾Í²»ÄÜÔÙ¸ÄÁË ËùÒÔÎÒÃÇÖØÐ¶¨ÒåÁËsize()·½·¨;
 * ½«Êý¾Ý×é³ÉÁËÒ»¸ö¶ÔÏó
 * @author leader
 * 2009-11-3
 */
class Array
{
 public static int maxsize ;//Êý×éµÄ³¤¶ÈµÄ×î´óÖµ
 public static int realsize;
 int [] array ;//Êý×é
 public Array (int maxsize)
 {
  //³õʼ»¯Õâ¸öÀà
  this.maxsize  = maxsize;
  this.array = new int [this.maxsize];
  this.realsize = 0 ;
 }
 /**
  * ¸øÊý×éÌí¼ÓÊý¾Ý
  */
 public void insert (int ins)
 {
  //µ±Êý×黹ÓпռäµÄʱºò²ÅÄÜÍùÀïÃæ²åÈëÊý¾Ý
  int len = this.realsize;
  if(len == maxsize)
  {
   System.out.println("Êý×éÒÑÂú");
  }
  //ÓÉÓÚÊÇÓÐÐòÊý×é ËùÒÔÒª¸øÐÂÌí¼Ó½øÀ´µÄÊý×ַŵ½ÅÅÐòºóµÄλÖÃ
  int i = 0;
  for ( ;i<this.realsize;i++)
  {
   if(array[i]>ins)
   {
    //²åÈëµÄÊý×ÖСÓÚÊý×éÖеÄij¸ö³ÉÔ±µÄʱºò ¾Í¿ÉÒÔ·ÅÔÚÕâ¸öÊý×ÖµÄÇ°Ãæ ӦΪËûÊÇÓÐÐòµÄÅÅÁеÄ
    break;
   }
   
  }
  //½²Õâ¸öÊý¾ÝÒÔºóµÄÊý¾ÝÏòºóһλ ´Ó×îºó¿ªÊ¼ÒÆ
  for (int j =this.realsize  ;j>i;j--)
  {
   array[j] = array[j-1];
  }
  array[i]=ins;//½«²åÈëµÄÊý×Ö·ÅÔÚÕýÈ·µÄλÖÃ
  this.realsize ++;//½«Êý×鳤¶È¼ÓÒ»
 }
 /**
  * Êý×éµÄ´óСֻÊǸøÈË¿´µÄ
  * @return
  */
 public int size ()
 {
  return this.realsize;
 }
 public void display ()
 {
  for (int i = 0 ;i<this.realsize;i++)
  {
   System.out.println(array[i]);
  }
 }
 public void delete (int del)
 {
  int i = 0;
  for ( ;i<this.realsize;i++)
&


Ïà¹ØÎĵµ£º

javaÎļþ²Ù×÷

 1.´´½¨Îļþ¼Ð 
File myFolderPath = new File(%%1); 
try { 
if (!myFolderPath.exists()) { 
     myFolderPath.mkdir(); 


catch (Exception e) { 
System.out.println("н¨Ä¿Â¼²Ù×÷³ö´í"); 
e.printStackTrace();  ......

javaÐÔÄÜÓÅ»¯¼¼ÇÉ

1.1 ²»ÓÃnew¹Ø¼ü´Ê´´½¨ÀàµÄʵÀý
¡¡¡¡
¡¡¡¡ÓÃnew¹Ø¼ü´Ê´´½¨ÀàµÄʵÀýʱ£¬¹¹Ô캯ÊýÁ´ÖеÄËùÓй¹Ô캯Êý¶¼»á±»×Ô¶¯µ÷Óᣵ«Èç¹ûÒ»¸ö¶ÔÏóʵÏÖÁËCloneable½Ó¿Ú£¬ÎÒÃÇ¿ÉÒÔµ÷ÓÃËüµÄclone()·½·¨¡£clone()·½·¨²»»áµ÷ÓÃÈκÎÀ๹Ô캯Êý¡£
¡¡¡¡
¡¡¡¡ÔÚʹÓÃÉè¼ÆÄ£Ê½£¨Design Pattern£©µÄ³¡ºÏ£¬Èç¹ûÓÃFactoryģʽ´´½¨¶ÔÏó£¬Ôò¸ÄÓÃclone( ......

java ¼¯ºÏÀà


¼¯ºÏCollection½Ó¿Ú
--Collection ÊÇÈκζÔÏó×é£¬ÔªËØ¸÷×Ô¶ÀÁ¢£¬Í¨³£ÓµÓÐÏàͬµÄÌ×ÓùæÔò¡£Set ListÓÉËüÅÉÉú¡£
»ù±¾²Ù×÷ Ôö¼ÓÔªËØadd(Object obj); addAll(Collection c);
ɾ³ýÔªËØ remove(Object obj); removeAll(Collection c);
Çó½»¼¯ retainAll(Collection c);
ɾ³ýÔªËØ remove(Object obj); removeAll(Collectio ......

[×ªÔØ] Alibaba ¸ß¼¶java³ÌÐòÔ±ÒªÇó

Ò».°¢ÀïÑз¢Ôº-º¼ÖÝ-Java¸ß¼¶³ÌÐòÔ±
ÈËÊý£º1ÈË
ѧÀú£º±¾¿Æ¼°ÒÔÉÏ
¹¤×÷µØµã£ºº¼ÖÝ
ְλÃèÊö:
1¡¢ Éè¼Æ¡¢¿ª·¢¡¢¸Ä½ø»ùÓÚJavaµÄ¹¤¾ßºÍ¿ò¼Ü£»
2¡¢ Ö¸µ¼¿ª·¢ÍŶÓʹÓù¤¾ßºÍ¿ò¼Ü£¬½â¾öÒÉÄÑÎÊÌâ¡£
ְλҪÇó£º
1¡¢ ÊìϤ²¢×ÔÈçÔËÓÃJavaÓïÑÔ¼°JDKÀà¿â£¬¾ß±¸Á¼ºÃµÄ±à³Ìϰ¹ß£»
2¡¢ ÊìϤ¶àÖÖJava¿ªÔ´ÏîÄ¿£¬¾«Í¨Ä¿Ç°Ö÷Á ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ