java»ù´¡ÃæÊÔÌâ
1.Çëд³öÏÂÁÐJava´úÂëµÄÊä³ö½á¹û
package test;
public class FatherClass()
{ public FatherClass()
{ System.out.println("FatherClass Create");}
}
×ÓÀࣺ
package test;
import test.FatherClass;
public class ChildClass extends FatherClass
{
public ChildClass()
{ System.out.println("ChildClass Create"); }
public static void main(String[] args)
{ FatherClass fc=new FatherClass();
ChildClass cc=new ChildClass(); }
}
&nbs
Ïà¹ØÎĵµ£º
Java™ 5.0 ƽ̨µÄ IBM ʵÏÖÖÐÐµĹ²ÏíÀàÌØÐÔÌṩÁËÒ»ÖÖÍêȫ͸Ã÷ºÍ¶¯Ì¬µÄ·½·¨£¬¿ÉÒÔ¹²ÏíÒÑ¾×°ÔØµÄËùÓÐÀ࣬¶ø²»»á¶Ô¹²ÏíÀàÊý¾ÝµÄ JVM Ê©¼ÓÏÞÖÆ¡£Õâ¸öÌØÐÔΪ¼õÉÙÐéÄâÄÚ´æÕ¼Óú͸ĽøÆô¶¯Ê±¼äÌṩÁËÒ»¸ö¼òµ¥ÇÒÁé»îµÄ½â¾ö·½°¸£¬´ó¶àÊýÓ¦ÓóÌÐò¶¼Äܹ»Òò´ËÊÜÒæ¡£±¾ÎÄÌÖÂÛÕâ¸öÌØÐÔÊÇÈçºÎ¹¤×÷µÄ¡¢ÈçºÎʹÓÃËüÒÔ¼°ºÎʱʹÓÃËü£ ......
ÒÔÍùҪʹÓÃJava¶Ôʱ¼äÈÕÆÚ½øÐвÙ×÷£¬¿ÉÄÜ»áÓõ½ÒÔϵÄһЩÀࣺ
Date and its subclasses :
java.util.Date
java.sql.Date
java.sql.Timestamp
The calendar and time zone classes :
java.util.Calendar
java.util.GregorianCalendar
java.util.TimeZone
java.util.SimpleTimeZone
(for use with the Gregorian ......
×÷Õß
Josh Long
ÒëÕß
ËÎçâ
·¢²¼ÓÚ
2010Äê5ÔÂ5ÈÕ ÏÂÎç9ʱ7·Ö
Josh BlochÔÚSun¹«Ë¾¶àÄêΪJavaƽ̨×÷³öÁ˽ܳö¹±Ï×£¨Èç¹ûÄãÓùýJava
Collections¿ò¼Ü¾Í»áÁ˽âÕâÒ»µã£©£¬ÏÖÔÚGoogle¾ÍÖ°£¬ÊÇ»ñ½±Í¼Êé¡¶Effective ......
µ¥Ôª²âÊÔ
1.
DBUnit
DBunitÊÇÒ»¸ö»ùÓÚjunitÀ©Õ¹µÄÊý¾Ý¿â²âÊÔ¿ò¼Ü¡£ËüÌṩÁË´óÁ¿µÄÀà¶ÔÓëÊý¾Ý¿âÏà¹ØµÄ²Ù×÷½øÐÐÁ˳éÏóºÍ·â×°¡£
2.MOckito
MockitoÊÇÒ»¸öÕë¶ÔJavaµÄmocking¿ò¼Ü¡£Äã¿ÉÒÔʹÓüò½àµÄAPI±àд³öƯÁÁµÄ²âÊÔ¡£
3.Hamcrest Matchers
Hamcrest ÊÇÒ»¸ö²âÊÔ¸¨Öú¹¤¾ß£¬ÌṩÁËÒ»Ì×ͨÓÃµÄÆ¥Åä·û Matcher£¬Áé»îʹÓÃÕâÐ ......
ʹÓÃJava·¢ËÍGET¡¢POSTÇëÇó
——½ÚÑ¡×Ô¡¶·è¿ñJava½²Òå¡·
URLµÄopenConnection()·½·¨½«·µ»ØÒ»¸öURLConnection¶ÔÏ󣬸öÔÏó±íʾӦÓóÌÐòºÍ URL Ö®¼äµÄͨÐÅÁ´½Ó¡£³ÌÐò¿ÉÒÔͨ¹ýURLConnectionʵÀýÏò¸ÃURL·¢ËÍÇëÇó¡¢¶ÁÈ¡URLÒýÓõÄ×ÊÔ´¡£
ͨ³£´´½¨Ò»¸öºÍ URL µÄÁ¬½Ó£¬²¢·¢ËÍÇëÇó¡¢¶ÁÈ¡´Ë URL ÒýÓõÄ×ÊÔ´ÐèÒªÈçϼ¸¸ö² ......