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

Java¶ÁȡͼƬÎļþµÄ¿í¶ÈºÍ¸ß¶È

InputStream is = new FileInputStream(filename);//ͨ¹ýÎļþÃû³Æ¶ÁÈ¡
»ò
InputStream is =new ByteArrayInputStream(byte[] a);//ͨ¹ýÎļþµÄ×Ö½ÚÊý×é¶ÁÈ¡
BufferedImage buff = ImageIO.read(is);
buff.getWidth();¡¡//µÃµ½Í¼Æ¬µÄ¿í¶È
buff.getHeight();  //µÃµ½Í¼Æ¬µÄ¸ß¶È
is.close(); //¹Ø±ÕStream


Ïà¹ØÎĵµ£º

JavaÖз½·¨ÃüÃû¾­Ñé

JavaÖз½·¨ÃüÃûÒ»°ãÊÇ£º¶¯´Ê/¶¯´ÊÐÔ´Ê×飬Ê××ÖĸСд£¬Öм䵥´ÊµÄÊ××Öĸ´óд£¬ÆäËü×ÖĸСд¡£
¾¡Á¿Ó¦Óüòµ¥µÄ¡¢³£Óõĵ¥´Ê£¬Ê¾Àý:
get/set                          first/last
add/remove& ......

Java±ÊÊÔÌâ

ΪÁËÓ¦¸¶2009Äê11ÔÂ8ºÅ¹ã¶«µçÍøµÄ±ÊÊÔÌâÄ¿£¬ÌصØÕÒµ½Ò»ÆªJava±ÊÊÔÌâÄ¿(http://blog.csdn.net/yexianyi/archive/2009/04/25/4123350.aspx)£¬ÏÖÖØÐÂ×ªÔØÊ¹Óá£
Java±ÊÊÔÌ⼯½õ
1.MVCµÄ¸÷¸ö²¿·Ö¶¼ÓÐÄÇЩ¼¼ÊõÀ´ÊµÏÖ?ÈçºÎʵÏÖ?
´ð£ºMVCÊÇModel£­View£­ControllerµÄ¼òд¡£"Model" ´ú±íµÄÊÇÓ¦ÓõÄÒµÎñÂß¼­£¨Í¨¹ýJavaBean£¬EJB× ......

JAVA CLASSPATH ºÍPATHµÄÇø±ð

 
PATH:
¡¡
ÓÃÀ´Ö¸¶¨ java
ÐéÄâ»ú(JVM) ËùÔÚÔÚĿ¼,Ò²¾ÍÊÇÎÒÃÇ×î³£ÓõÄÓÃÀ´±àÒëjavaÔ´³ÌÐòµÄjavac.exe ºÍÓÃÀ´Ö´ÐР*.class ÎļþµÄ
java.exe ÕâÁ½¸öÃüÁî¡£ÒÔÎҵĻúÆ÷ΪÀý°É£ºÎÒµÄ jdk °´×°Ä¿Â¼Îª D:\jdk1.5.0_08£¨È·ÇеÄ˵ÎÒµÄÕâ¸öJDK²»Êǰ²×°
°æ±¾µÄ£¬Ö±½Ó½âѹµ½ d:\ Ï嵀 £¬´ËʱÎÒµÄ path ¾ÍÒªÕâÑùÉèpath= ......

JavaÖÐCalendarºÍDateµÄһЩʹÓÃÓ÷¨¼¼ÇÉ

1. Èç¹ûÒѾ­ÖªµÀij¸öµØµãµÄÊ±Çø£¬Ä꣬Ô£¬ÈÕ£¬Ê±£¬·Ö£¬Ã룬ϣÍûµÃµ½×ª»»ºóµÄ±¾ÏµÍ³Ê±¼ä£¬¿ÉÒÔ²ÉÓÃÈçÏµķ½·¨£º
·½·¨£º¼ÙÉèÊ±ÇøÊÇGMT+08:00,£¬ÄêÊÇ2009Ä꣬ÔÂÊÇ11Ô£¬ÈÕÊÇ7ÈÕ£¬Ê±ÊÇ10ʱ£¬·ÖÊÇ50·Ö£¬ÃëÊÇ30¡£
public class Time {
 
 public static void main(String[] args) {
  TimeZone tz = Tim ......

¡¾×ª¡¿JAVA³õѧÎÊÌâ

   ×Ô¼ºÑ§Ï°JavaÒѾ­ÓÐÒ»¸öÔÂ×óÓÒÁË~~¶ÔһЩjavaÒ²ÓÐһЩ¸ÐÊÜ~~
µ±¿´µ½ÕâÆªÎÄÕÂʱ£¬·¢ÏÖ»¹¿ÉÒÔ~~¾ÍתÀ´ºÍ´ó¼Ò·ÖÏíÒ»ÏÂ~~~
1 ʲôÊÇJava¡¢Java2¡¢JDK£¿JDKºóÃæµÄ1.3¡¢1.4.2°æ±¾ºÅÓÖÊÇÔõô»ØÊ£¿
´ð£ºJavaÊÇÒ»ÖÖͨÓõ쬲¢·¢µÄ£¬Ç¿ÀàÐ͵ģ¬ÃæÏò¶ÔÏóµÄ±à³ÌÓïÑÔ
£¨Õª×ÔJava¹æ·¶µÚ¶þ°æ) JDKÊÇSun¹«Ë¾·Ö·¢µÄÃâ·ÑJa ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ