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

ÓÃJava ÉèÖõĶ¨Î»´òÓ¡×÷Òµ

 import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.OrientationRequested;
public class Main {
  public static void main(String[] argv) throws Exception {
    // Set up the attribute set
    PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
    aset.add(OrientationRequested.PORTRAIT);
    // aset.add(OrientationRequested.LANDSCAPE);
  }
}  


Ïà¹ØÎĵµ£º

JAVA:ÓöàÏß³ÌʵÏÖʱ¼äµÄ¶¯Ì¬ÏÔʾ

import java.awt.*;
import javax.swing.*;
import java.util.Date;
import java.awt.*;
class Time extends JFrame implements Runnable{//ʵÏÖ½Ó¿Ú
Thread clockThread;
   JLabel jLabel=new JLabel();
   public Time()
   {
   Container con=this.getContentPane() ......

javaÉè¼ÆÄ£Ê½

1¡¢FACTORY£¨¹¤³§Ä£Ê½£©
2¡¢BUILDER£¨½¨Ôìģʽ£©
3¡¢FACTORY METHOD£¨¹¤³§·½·¨Ä£Ê½£©
4¡¢PROTOTYPE£¨Ô­Ê¼Ä£ÐÍģʽ£©
5¡¢SINGLETON£¨µ¥Àýģʽ£©
6¡¢ADAPTER£¨ÊÊÅäÆ÷ģʽ£©
7¡¢BRIDGE£¨ÇÅÁºÄ£Ê½£©
8¡¢COMPOSITE£¨ºÏ³Éģʽ£©
9¡¢DECORATOR£¨×°ÊÎģʽ£©
10¡¢FACADE£¨ÃÅÃæÄ£Ê½£©
11¡¢FLYWEIGHT£¨ÏíԪģʽ£© ......

Jconsole ºÍ jps ÎÞ·¨ÏÔʾ±¾µØ Java ½ø³ÌÁбí

ǰһÕóÔÚ¹«Ë¾ÀïʹÓà jconsle ʱһÇÐÕý³££¬È»¶øÔÚ¼ÒÖеĻúÆ÷ÉÏÈ´³öÏÖÁ˱êÌâËùʾµÄÎÊÌ⣺
jconsole ºÍ jps ÎÞ·¨ÏÔʾ±¾µØ Java ½ø³ÌÁÐ±í¡£
µ±Ê±Ö±½ÓÀûÓà -Dcom.sun.management.jmxremote.port=port Æô¶¯Ä¿±ê java ½ø³Ì£¬²¢ÔÚ jconsole ÖÐͨ¹ý localhost:port ·½Ê½³É¹¦Á¬½ÓÉÏÄ¿±ê java ½ø³Ì¡£ÓÐÁËÕâ¸ö work around Ö®ºó£¬¶ÔÕ ......

Serializable javaÐòÁл¯

Bean Serializable Interface µÄ½Ó¿ÚÈÃBEAN¿ÉÒÔ´®Ðл¯£¬½«Æä±ä³ÉÒ»¸ö¿É±£´æÎªÒÔºóʹÓõĶþ½øÖÆÁ÷¡£µ±Ò»¸öBEAN±»ÏµÁл¯µ½´ÅÅÌÉÏ»òÕ߯äËûÈκεط½£¬Æä״̬±»±£´æÆðÀ´£¬ÆäÖеÄÊôÐÔÖµÒ²²»»á¸Ä±ä¡£ÔÚBEANµÄ¹æ·¶ÖУ¬JSP²¢Ã»ÓÐÒªÇóBEANʵÏÖSerializable½Ó¿Ú¡£µ«ÊÇ£¬Èç¹ûÄúÏ£Íû×Ô¼º¿ØÖÆÄúËù´´½¨µÄ×é¼þµÄserialization½ø³Ì£¬»òÕßÄúÏë ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ