Java±à³ÌÓïÑԵİ˴óÓŵã
1¡¢Óï·¨£º±ØÐë±È½ÏÊìϤ£¬ÔÚд´úÂëµÄʱºòIDEµÄ±à¼Æ÷¶ÔijһÐб¨´íÓ¦¸ÃÄܹ»¸ù¾Ý±¨´íÐÅÏ¢ÖªµÀÊÇʲôÑùµÄÓï·¨´íÎó²¢ÇÒÖªµÀÈκÎÐÞÕý¡£
2¡¢ÃüÁ±ØÐëÊìϤJDK´øµÄһЩ³£ÓÃÃüÁî¼°Æä³£ÓÃÑ¡ÏÃüÁîÖÁÉÙÐèÒªÊìϤ£ºappletviewer¡¢ HtmlConverter¡¢jar¡¢ java¡¢javac¡¢javadoc¡¢javap¡¢javaw¡¢native2ascii¡¢serialver£¬Èç¹ûÕâЩÃüÁîÄãûÓÐÈ«²¿Ê¹Óùý£¬ÄÇôÄã¶Ôjavaʵ¼ÊÉÏ»¹ºÜ²»Á˽⡣
3¡¢¹¤¾ß£º±ØÐëÖÁÉÙÊìÁ·Ê¹ÓÃÒ»ÖÖIDEµÄ¿ª·¢¹¤¾ß£¬ÀýÈçEclipse¡¢Netbeans¡¢JBuilder¡¢Jdeveloper¡¢IDEA¡¢JCreator»òÕßWorkshop£¬°üÀ¨½øÐй¤³Ì¹ÜÀí¡¢³£ÓÃÑ¡ÏîµÄÉèÖᢲå¼þµÄ°²×°ÅäÖÃÒÔ¼°½øÐе÷ÊÔ¡£
4¡¢API£ºJavaµÄºËÐÄAPIÊǷdz£ÅÓ´óµÄ£¬µ«ÊÇÓÐһЩÄÚÈݱÊÕßÈÏΪÊDZØÐëÊìϤµÄ£¬·ñÔò²»¿ÉÄÜÊìÁ·µÄÔËÓÃJava£¬°üÀ¨£º¡ôjava.lang°üϵÄ80£¥ÒÔÉϵÄÀàµÄ¹¦ÄܵÄÁé»îÔËÓá£
¡ôjava.util°üϵÄ80£¥ÒÔÉϵÄÀàµÄÁé»îÔËÓã¬ÌرðÊǼ¯ºÏÀàÌåϵ¡¢¹æÔò±í´ïʽ¡¢zip¡¢ÒÔ¼°Ê±¼ä¡¢Ëæ»úÊý¡¢ÊôÐÔ¡¢×ÊÔ´ºÍTimer.
¡ôjava.io°üϵÄ60£¥ÒÔÉϵÄÀàµÄʹÓã¬Àí½âIOÌåϵµÄ»ùÓڹܵÀÄ£Ð͵ÄÉè¼ÆË¼Â·ÒÔ¼°³£ÓÃIOÀàµÄÌØÐÔºÍʹÓó¡ºÏ¡£
¡ôjava.math°üϵÄ100£¥µÄÄÚÈÝ¡£
¡ôjava.net°üϵÄ60£¥ÒÔÉϵÄÄÚÈÝ£¬¶Ô¸÷¸öÀàµÄ¹¦ÄܱȽÏÊìϤ¡£
¡ôjava.text°üϵÄ60£¥ÒÔÉϵÄÄÚÈÝ£¬ÌرðÊǸ÷ÖÖ¸ñʽ»¯Àà¡£
¡ôÊìÁ·ÔËÓÃJDBC. 8£©¡¢java.security°üÏÂ40£¥ÒÔÉϵÄÄÚÈÝ£¬Èç¹û¶ÔÓÚ°²È«Ã»ÓнӴ¥µÄ»°¸ù±¾¾Í²»¿ÉÄÜÕÆÎÕjava.
¡ôAWTµÄ»ù±¾ÄÚÈÝ£¬°üÀ¨¸÷ÖÖ×é¼þʼþ¡¢¼àÌýÆ÷¡¢²¼¾Ö¹ÜÀíÆ÷¡¢³£ÓÃ×é¼þ¡¢´òÓ¡¡£
¡ôSwingµÄ»ù±¾ÄÚÈÝ£¬ºÍAWTµÄÒªÇóÀàËÆ¡£
¡ôXML´¦Àí£¬ÊìϤSAX¡¢DOMÒÔ¼°JDOMµÄÓÅȱµã²¢ÇÒÄܹ»Ê¹ÓÃÆäÖеÄÒ»ÖÖÍê³ÉXMLµÄ½âÎö¼°ÄÚÈÝ´¦Àí¡£
5¡¢²âÊÔ£º±ØÐëÊìϤʹÓÃjunit±àд²âÊÔÓÃÀýÍê³É´úÂëµÄ×Ô¶¯²âÊÔ¡£
6¡¢¹ÜÀí£º±ØÐëÊìϤʹÓÃantÍê³É¹¤³Ì¹ÜÀíµÄ³£ÓÃÈÎÎñ£¬ÀýÈ繤³Ì±àÒë¡¢Éú³Éjavadoc¡¢Éú³Éjar¡¢°æ±¾¿ØÖÆ¡¢×Ô¶¯²âÊÔ¡£
7¡¢ÅÅ´í£ºÓ¦¸Ã¿ÉÒÔ¸ù¾ÝÒì³£ÐÅÏ¢±È½Ï¿ìËٵĶ¨Î»ÎÊÌâµÄÔÒòºÍ´óÖÂλÖá£
8¡¢Ë¼Ï룺±ØÐëÕÆÎÕOOPµÄÖ÷ÒªÒªÇó£¬ÕâÑùʹÓÃJava¿ª·¢µÄϵͳ²ÅÄÜÊÇÕæÕýµÄJavaϵͳ¡£
9¡¢¹æ
Ïà¹ØÎĵµ£º
1.ǰÑÔ£º
ÄãµÄ³ÌÐò×ÜÓÐÒ»Ìì»á±ÀÀ£µô£¬ÔÚ±ÀÀ£µôµÄʱºòÎÒÃÇÒªÖªµÀËüÔÚÄÄ£¬ÎªÁËʲô¶ø±ÀÀ£µô£¬Êý¾ÝµÄ±£´æ»òÕß¶ªÊ§Çé¿öÈçºÎµÈÎÊÌâ¡£ÎÒÃÇ¿ÉÒÔͨ¹ý¼Ì³ÐÀàjava.lang.ThrowableµÄ×ÓÀࣺExceptionÀ´Éè¼ÆÎÒÃÇ×Ô¼ºµÄJavaÒì³£¡£ExceptionÀàÓÃÓÚÃèÊö³ÌÐòÄܹ»²¶»ñµÄÒì³££¬ÈçClassNotFoundException¡£Òª×¢ÒâµÄÊÇ×Ô¶¨ÒåÒì³£ÀàÖ®¼äÒ²¿ÉÒÔÓм ......
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 {
//&nbs ......
´ó¼ÒÖªµÀ£¬ÔÚ1991Ä꣬¼¸ºõÓëLinuxͬʱ£¬SUN·¢²¼ÁËJava±à³ÌÓïÑÔ¡£²»¾Ã£¬ÎҵĴóѧͬѧ£¨±ÈÎÒµÍÁ½Ä꣩Íõ¿Ëºê½ÌÊÚ£¨Ç廪²©Ê¿µ¼Ê¦£©ÓëSUNºÏ×÷³ÉÁ¢ÁËÖйú×îÔçµÄ“JavaÑо¿ÖÐÐÄ”£¬²¢ÇÒµ£ÈθÃÖÐÐÄÖ÷ÈΡ£´Ó´Ë£¬ÎÒ¿ªÊ¼×¢ÒâJava¼¼ÊõµÄ·¢Õ¹¶¯Ì¬¡£ÎÒ¼ÒÖеĴæÊ飬ÒÔJavaÊé¼®×î¶à£¨µ±È»£¬³ýÁËÊýѧÊé¼® ......
The clone( ) method generates a duplicate copy of the object on which it is called. Only classes that implement the Cloneable interface can be cloned.
...clone()²úÉúÁËÒ»¸öµ÷ÓÃËüµÄ¶ÔÏóµÄ¸´ÖÆ;Ö»ÓÐʵÏÖÁËCloneable½Ó¿ÚµÄÀà²Å¿ÉÒÔ±»¸´ÖÆ¡£
The Cloneable interface defines no ......
1. Òì³£»úÖÆ
Òì³£»úÖÆÊÇÖ¸µ±³ÌÐò³öÏÖ´íÎóºó£¬³ÌÐòÈçºÎ´¦Àí¡£¾ßÌåÀ´Ëµ£¬Òì³£»úÖÆÌṩÁ˳ÌÐòÍ˳öµÄ°²È«Í¨µÀ¡£µ±³öÏÖ´íÎóºó£¬³ÌÐòÖ´ÐеÄÁ÷³Ì·¢Éú¸Ä±ä£¬³ÌÐòµÄ¿ØÖÆÈ¨×ªÒƵ½Òì³£´¦ÀíÆ÷¡£
´«Í³µÄ´¦ÀíÒì³£µÄ°ì·¨ÊÇ£¬º¯Êý·µ»ØÒ»¸öÌØÊâµÄ½á¹ûÀ´±íʾ³öÏÖÒì³££¨Í ......