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

java ʱ¼ä¸ñʽ»¯

import java.text.SimpleDateFormat;
 Date date=new Date();
  DateFormat  format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
  String time=format.format(date);
java.sql.Time now=new java.sql.Time(System.CurrentTimeMillis());
Êä³ö¶ÌµÄϵͳʱ¼ä 18:34:44


Ïà¹ØÎĵµ£º

½âÎöJavaÀàºÍ¶ÔÏóµÄ³õʼ»¯¹ý³Ì

ÀàµÄ³õʼ»¯ºÍ¶ÔÏó³õʼ»¯ÊÇ JVM ¹ÜÀíµÄÀàÐÍÉúÃüÖÜÆÚÖзdz£ÖØÒªµÄÁ½¸ö»·½Ú£¬Google ÁËÒ»±éÍøÂ磬ÓйØÀà×°ÔØ»úÖÆµÄÎÄÕµ¹ÊDz»ÉÙ£¬È»¶øÀà³õʼ»¯ºÍ¶ÔÏó³õʼ»¯µÄÎÄÕ²¢²»¶à£¬ÌرðÊÇ´Ó×Ö½ÚÂëºÍ JVM ²ã´ÎÀ´·ÖÎöµÄÎÄÕ¸üÊÇÏÊÓÐËù¼û¡£
±¾ÎÄÖ÷Òª¶ÔÀàºÍ¶ÔÏó³õʼ»¯È«¹ý³Ì½øÐзÖÎö£¬Í¨¹ýÒ»¸öʵ¼ÊÎÊÌâÒýÈ룬½«Ô´´úÂëת»»³É JVM ×Ö½ÚÂëºó£¬ ......

javaÃæÊÔÌ⣡¾ä×Ó°´ÕÕµ¥´Ê·´Öã¡

Óöµ½Ò»¸öjava±à³ÌÃæÊÔÌ⣬µ±Ê±Ã»ÓÐд³öÀ´£¬»ØÀ´×ÐϸÏëÁËÏ룬д³ö´ð°¸£¬Ò»¹²ÒÔºó²Î¿¼£¡
ÒªÇ󣺽«×Ö·û´®"I am a good student."ת»»³É"student. good a am I"
java´úÂëΪ£º
public class Application
{
 private String s;
 public void setS(String s)
 {
  s=s;
 }
 public S ......

javaðÅÝÅÅÐòËã·¨

package ch01;
 2
 3public class BubbleSort
 4{
 5    
 6    
 7    public static void main(String[] args){
 8        int[]& ......

Java IO °üÖеÄDecoratorģʽ

JDKΪ³ÌÐòÔ±ÌṩÁË´óÁ¿µÄÀà¿â£¬¶øÎªÁ˱£³ÖÀà¿âµÄ¿ÉÖØÓÃÐÔ£¬¿ÉÀ©Õ¹ÐÔºÍÁé»îÐÔ£¬ÆäÖÐʹÓõ½ÁË´óÁ¿µÄÉè¼ÆÄ£Ê½£¬±¾ÎĽ«½éÉÜJDKµÄI/O°üÖÐʹÓõ½µÄDecoratorģʽ£¬²¢ÔËÓôËģʽ£¬ÊµÏÖÒ»¸öеÄÊä³öÁ÷Àà¡£
¡¡¡¡Decoratorģʽ¼ò½é
¡¡¡¡DecoratorģʽÓÖÃû°ü×°Æ÷(Wrapper)£¬ËüµÄÖ÷ÒªÓÃ;ÔÚÓÚ¸øÒ»¸ö¶ÔÏó¶¯Ì¬µÄÌí¼ÓһЩ¶îÍâµÄÖ°Ôð¡£Ó ......

JAVA IOÁ÷µÄÓ¦ÓÃ

JAVA IOÁ÷µÄÓ¦ÓÃ
 
 
 
IOÁ÷µÄµäÐÍÓ¦ÓÃ
¾¡¹Ü¿âÄÚ´æÔÚ´óÁ¿IOÁ÷À࣬¿Éͨ¹ý¶àÖÖ²»Í¬µÄ·½Ê½×éºÏµ½Ò»Æð£¬µ«Êµ¼ÊÉÏÖ»Óм¸ÖÖ·½Ê½²Å»á¾­³£Óõ½¡£È»¶ø£¬±ØÐëСÐÄÔÚÒâ²ÅÄܵõ½ÕýÈ·µÄ×éºÏ¡£ÏÂÃæÕâ¸öÏ൱³¤µÄÀý×ÓչʾÁ˵äÐÍIOÅäÖõĴ´½¨ÓëʹÓ㬿ÉÔÚд×Ô¼ºµÄ´úÂëʱ½«Æä×÷Ϊһ¸ö²Î¿¼Ê¹Óá£×¢Òâÿ¸öÅäÖö¼ÒÔÒ»¸ö×¢ÊÍÐ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ