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

java»ñȡϵͳʱ¼ä¼òµ¥·½·¨£¨±Ê¼ÇÖ®Óã©

import java.util.Date;
public class TestDate
{
 public static void main(String[] args)
 {
  Date d=new Date();
  int h=d.getHours();//ʱ
  int m=d.getMinutes();//·Ö
  int s=d.getSeconds();//Ãë
  int y=d.getYear()+1900;//Äê
  int month=d.getMonth()+1;//ÔÂ
  int day=d.getDate();//ÈÕ
  System.out.println(d);
  System.out.println(h);
  System.out.println(m);
  System.out.println(s);
  System.out.println(y);
  System.out.println(month);
  System.out.println(day);
 }
·½·¨¶þ£º£¨ÒÔÏÂÎª×ªÔØ£©
import java.util.*;
/*
 * »ñȡϵͳʱ¼ä
 */
public class GetTime {
 public static void main(String[] args) {
  Date date = new Date();
  int i = date.getDay();
  String xq = null;
  String Time;
  switch (i) {
  case 0:
   xq = "ÐÇÆÚÌì";
   break;
  case 1:
   xq = "ÐÇÆÚÒ»";
   break;
  case 2:
   xq = "ÐÇÆÚ¶þ";
   break;
  case 3:
   xq = "ÐÇÆÚÈý";
   break;
  case 4:
   xq = "ÐÇÆÚËÄ";
   break;
  case 5:
   xq = "ÐÇÆÚÎå";
   break;
  case 6:
   xq = "ÐÇÆÚÁù";
   break;
  }
  Time = (date.getYear() + 1900) + "Äê" + (date.getMonth() + 1) + "ÔÂ"
    + date.getDate() + "ÈÕ " + xq + "\n" + date.getHours() + ":"
    + date.getMinutes() + ":" + date.getSeconds() + "";
  System.out.println(Time);
 }
}


Ïà¹ØÎĵµ£º

JavaÐéÄâ»ú(JVM)¼°ÆäÄÚ´æ·ÖÅäµÄÉèÖÃ

°²×°Java¿ª·¢Èí¼þʱ£¬Ä¬Èϰ²×°°üº¬Á½¸öÎļþ¼Ð£¬Ò»¸öJDK(Java¿ª·¢¹¤¾ßÏä)£¬Ò»¸öJRE(JavaÔËÐл·¾³£¬ÄÚº¬JVM)£¬ÆäÖÐJDKÄÚÁíº¬Ò»¸öJRE¡£Èç¹ûÖ»ÊÇÔËÐÐJava³ÌÐò£¬ÔòJREÒÑ×ã¹»£»¶øJDKÔòÖ»Óпª·¢ÈËÔ±²ÅÓõ½¡£
Ò»¡¢JVMÄÚ´æ·ÖÅäÉèÖÃ
1. JVMÄÚ´æ·ÖÅäÉèÖõIJÎÊýÓÐËĸö£º
-Xmx    Java Heap×î´óÖµ£¬Ä¬ÈÏֵΪÎïÀíÄÚ´æµÄ ......

¡¶javaÓïÑÔ³ÌÐòÉè¼Æ£¨Ò»£©¡·2009Äê×Ôѧ¿¼ÊÔ´ó¸ÙµÚ4ÕÂ

¡¶javaÓïÑÔ³ÌÐòÉè¼Æ£¨Ò»£©¡·2009Äê×Ôѧ¿¼ÊÔ´ó¸ÙµÚ4ÕÂ
www.wesiedu.com   2009-5-5   ÔÚÏßÄ£Ä⿼³¡
µÚ4Õ Êý×éºÍ×Ö·û´®
(Ò»)¿Î³ÌÄÚÈÝ
4.1 Êý×é
4.1.1 һάÊý×é
4.1.2 ¶àάÊý×é
4.2 ×Ö·û´®
4.2.1 ×Ö·û´®³£Á¿
4.2.2 ×Ö·û´®ÉùÃ÷ºÍ´´½¨
4.2.3 ×Ö·û´®»ù±¾²Ù×÷
4.2.4 StringTokenizerÀà
4.2.5×Ö· ......

¡¶javaÓïÑÔ³ÌÐòÉè¼Æ£¨Ò»£©¡·2009Äê×Ôѧ¿¼ÊÔ´ó¸ÙµÚ5ÕÂ


µÚ5ÕÂͼÐνçÃæÉè¼Æ(Ò»)
(Ò»)¿Î³ÌÄÚÈÝ
5.1 ͼÐνçÃæÉè¼Æ»ù´¡
5.1.1 AWI’ºÍSwing
5.1.2×é¼þºÍÈÝÆ÷
5.1.3ʼþÇý¶¯³ÌÐòÉè¼Æ»ù´¡
5.2¿ò¼Ü´°¿Ú .
5.3±êÇ©¡¢°´Å¥ºÍ°´Å¥Ê¼þ
5.3.1 ±êÇ©
5.3.2°´Å¥ºÍ°´Å¥Ê¼þ´¦Àí
5.4Ãæ°å
5.4.1 JPanel
5.4.2 JScrollPane
5.5²¼¾ÖÉè¼Æ
5.5.1 FlowI.ayout²¼¾Ö
5.5.2 BorderI.a ......

¡¶javaÓïÑÔ³ÌÐòÉè¼Æ£¨Ò»£©¡·2009Äê×Ôѧ¿¼ÊÔ´ó¸ÙµÚ8ÕÂ


µÚ8Õ ¶àÏß³Ì
(Ò»)¿Î³ÌÄÚÈÝ
8.1Ï̵߳Ļù±¾¸ÅÄî
8.1.1Ï̵߳ÄÉúÃüÖÜÆÚ
8.1.2Ï̵߳÷¶ÈÓëÓÅÏȼ¶
8.2 ThreadÀàºÍRunnable½Ó13
8.2.1 ThreadÀà
8.2.2 Runnable½Ó¿Ú
8.3Ï̻߳¥³âºÍͬ²½
8.3.1Ï̻߳¥³â
8.3.2Ïß³Ìͬ²½
(¶þ)ѧϰĿµÄÓëÒªÇó
±¾Õ½éÉܶàÏ̵߳ĸÅÄîºÍ±àд¶àÏ̳߳ÌÐòµÄ·½·¨£¬ÊµÏÖÏß³ÌÖ®¼äÏ໥ͨÐźÍͬ²½µÄ¼¼ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ