³õѧJAVAÖ®ËÄ
±àдһ¸ö¼òµ¥µÄÎı¾±à¼Æ÷£¬ÒªÇ󣺾ßÓдò¿ª¡¢±£´æ¡¢Ð½¨£¬Õ³Ìù¡¢¸´ÖƵȹ¦ÄÜ£»¾ßÓÐÒ»¸ö¹¤¾ßÌõ¡£±àдһ¸öÀàËÆ Windows ¼Çʱ¾µÄ¼òµ¥³ÌÐò£¬¸Ã³ÌÐòÄܹ»´´½¨ÐÂÎļþ¡¢¶ÁÈ¡ÒѾ´æÔÚµÄÎļþ¡¢²é¿´ºÍÐÞ¸ÄÎı¾ÒÔ¼°±£´æÎªÎı¾Îļþ¡£
ÔÝʱ»¹²»»á×ö£¬Å¬Á¦ÖС£¡£¡£¡£¡£¡£¡£¡£
Ïà¹ØÎĵµ£º
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 ......
JavaÈÝÆ÷ÀàѧϰÐĵÃ
ÓÉÓÚÎÒ¶ÔC++±È½ÏÊìϤ£¬ËùÒÔѧϰJavaÓ¦¸ÃÖØµãÌå»áJava´øÀ´µÄиÅÄî¡£±¾ÎÄ»ù±¾ÉÏÊÇJava±ê×¼¿âÖм¯ºÏ¿ò¼ÜµÄ»ù±¾¸ÅÄûÓÐÀý×Ó¡£Ð´±¾ÎĵÄÄ¿µÄÔÚÓÚ·½±ãÎҺܳ¤Ê±¼äºóÈôÊÇÍüÁËÕâЩ¶«Î÷¿ÉÒÔͨ¹ýÕâÆ¬ÎÄÕÂѸËÙ»ØÒäÆðÀ´¡£
1. ½Ó¿Ú
Õû¸öJavaÈÝÆ÷ÀàµÄ»ù´¡ÊÇÈÝÆ÷½Ó¿Ú£¨ÀýÈçCollection£¬MapµÈ½Ó¿Ú£©£¬¶ø²»ÊÇÀà ......
µ±Ò»¸ö·½·¨ºóÃæÉùÃ÷¿ÉÄÜ»áÅ׳öInterruptedException Ò쳣ʱ£¬ËµÃ÷¸Ã·½·¨ÊÇ¿ÉÄܻỨһµãʱ¼ä£¬µ«ÊÇ¿ÉÒÔÈ¡ÏûµÄ·½·¨¡£
Å×InterruptedExceptionµÄ´ú±í·½·¨ÓУº
1. java.lang.Object ÀàµÄ wait ·½·¨
2. java.lang.Thread ÀàµÄ sleep ·½·¨
3. java.lang.Thread ÀàµÄ join ·½·¨
-- ÐèÒª»¨µãʱ¼äµÄ·½·¨
Ö´ÐÐwait·½·¨µÄÏ ......
JavaÊý¾Ý¿âÁ¬½Ó£¨JDBC£©ÓÉÒ»×éÓà Java ±à³ÌÓïÑÔ±àдµÄÀàºÍ½Ó¿Ú×é³É¡£JDBC Ϊ¹¤¾ß/Êý¾Ý¿â¿ª·¢ÈËÔ±ÌṩÁËÒ»¸ö±ê×¼µÄ API£¬Ê¹ËûÃÇÄܹ»Óô¿Java API À´±àдÊý¾Ý¿âÓ¦ÓóÌÐò¡£È»¶ø¸÷¸ö¿ª·¢É̵Ľӿڲ¢²»ÍêÈ«Ïàͬ£¬ËùÒÔ¿ª·¢»·¾³µÄ±ä»¯»á´øÀ´Ò»¶¨µÄÅäÖñ仯¡£±¾ÎÄÖ÷Òª¼¯ºÏÁ˲»Í¬Êý¾Ý¿âµÄÁ¬½Ó·½Ê½¡£
¡¡¡¡Ò»¡¢Á¬½Ó¸÷ÖÖÊý¾Ý¿ ......
1¡¢±àдһ¸ö¼òµ¥µÄÎı¾±à¼Æ÷£¬ÒªÇ󣺾ßÓдò¿ª¡¢±£´æ¡¢Ð½¨£¬Õ³Ìù¡¢¸´ÖƵȹ¦ÄÜ£»¾ßÓÐÒ»¸ö¹¤¾ßÌõ¡£
1.1¡¢³ÌÐòÔ´Â루²Î¼ûmenu.java£©£º
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.URL;
public class menu extends JFrame impl ......