Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÓÃJavaÉèÖ÷ÝÊý´òÓ¡×÷Òµ

 import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.Copies;
public class Main {
  public static void main(String[] argv) throws Exception {
    // Set up the attribute set
    PrintRequestAttributeSet aset = new HashPrintRequestAttributeSet();
    aset.add(new Copies(2));
  }
}


Ïà¹ØÎĵµ£º

Java Logger(javaÈÕÖ¾)


Ŀ¼
1. ¼ò½é
2. °²×°
3. log4j»ù±¾¸ÅÄî
3.1. Logger
3.2. Appender
3.2.1. ʹÓÃConsoleAppender
3.2.2. ʹÓÃFileAppender
3.2.3. ʹÓÃWriterAppender
3.3. Layout
3.4. »ù±¾Ê¾Àý
3.4.1. SimpleLayoutºÍFileAppender
3.4.2. HTMLLayoutºÍWriterAppender
3.4.3. PatternLayoutºÍConsoleAppender
4. ʹÓÃÍⲿ ......

Java ÒÀÀµ×¢Éä¹æ·¶£¨JSR

JCP SE/EE Ö´ÐÐίԱ»á
Õýʽ½ÓÊÜÁË
JSR 330
—— Dependency Injection for Java¡£¸Ã¹æ·¶ÓÚ ½ñÄê 5 Ô 9 ÈÕ
ÓÉ Google µÄ Bob Lee ÒÔ¼° SpringSource µÄ Rod Johnson ×÷Ϊ¹æ·¶Áìµ¼Ìá½»¸ø JCP£¬ÏÖÔÚÒѾ­Õýʽ·¢²¼£¬²»µÃ²»¸Ð̾¸Ã¹æ·¶±ê×¼»¯¹ý³ÌÖ®¿ì¡£ÔÚ ×îÖÕͶƱ½á¹ûÖÐ
£¬14 Ʊͨ¹ý£¬1 ƱδͶ£¬1 Ʊ·´¶Ô¡£
J ......

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

Ç°Ò»ÕóÔÚ¹«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 ......

¹ØÓÚjavaÖбäÁ¿µÄ³õʼ»¯µÄÎÊÌâ

 Ê×ÏÈһЩ±»³õʼ»¯¶ÔÏóµÄ¸ÅÄ
Àà±äÁ¿£¨Àྲ̬³ÉÔ±£©£º Àà±»¼ÓÔØʱ²úÉú£»ËüµÄÉú´æÆÚÊÇÀàµÄÉú´æÆÚ£»×Ô¶¯³õʼ»¯£¨Àà±»¼ÓÔØ£©
³ÉÔ±±äÁ¿£¨Àà³ÉÔ±£©£º  ÔÚʹÓÃnew´´½¨¸ÃÀàʵÀýʱ²úÉú£»ËüµÄÉú´æÆÚÓë¸ÃÀàʵÀý¶ÔÏóµÄÉú´æÆÚÏàͬ£»
×Ô¶¯³õʼ»¯£¨¹¹Ôì·½·¨±»µ÷Óã©
¾Ö²¿±äÁ¿£¨ÀàµÄ·½·¨ÖеıäÁ¿£©£º  ¸Ã·½·¨±»µ÷ÓÃÊ ......

³£¼ûË㷨ѧϰ¼°ÆäJavaʵÏÖ

package org.bupt.test;
import java.util.ArrayList;
class MyResource {
    ArrayList<Integer> arrList= new ArrayList<Integer>();
    public MyResource(ArrayList<Integer> arrList) {
        this.arrList = arrList;
&nbs ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ