java¿ò¼ÜµÈ·½ÃæµÄ
ÔÚMIDletÖгõʼ»¯Lwuit Ò²ÊÇΨһʹÓÃÔÓÐJ2meµÄ¶«Î÷
¿ÉÒÔÔÚstartApp·½·¨Öж¨ÒåÆô¶¯µÄ¹ý³Ì
public void startApp() {
//init the LWUIT Display
Display.init(this);
//¼ÓÔØ×ÊÔ´Îļþ
try {
Resources r = Resources.open("/myresources.res");
UIManager.getInstance().setThemeProps(r.getTheme(
r.getThemeResourceNames()[0])
); }
catch (java.io.IOException e) {
}
¼òµ¥µÄʹÓÃÒ»¸öÄÚÖÃForm½øÐÐÏÔʾ,¶øÎÞÐëʹÓÃÒ»¸ö¶øÍâµÄÀà
Form f = new Form();
f.setTitle("Hello World");
f.setLayout(new BorderLayout());
f.addComponent("Center", new Label("I am a Label"));
f.show();
×¢ÒâʹÓÃshow·½·¨½øÐÐÏÔʾ
×é¼þ½éÉÜ
¹ØÓÚ×é¼þµÄʹÓã¬ÎÒÒ»¹²ÁгöÁË21Ìõ£º
1¡£Component,Container,Form
2¡£Label
3¡£Button
4¡£RadioButton,ButtonGroup,CheckBox,ComboBox
5¡£TextArea
6¡£TabbedPane
7¡£ ʹÓà Lists
8¡£ListCellRenderer äÖȾÆ÷
9¡£Ê¹Óà Dialogs ¶Ô»°¿ò
10¡£Ê¹ÓÃLayoutManagers ʹÓò¼¾Ö¹ÜÀíÆ÷£¨BorderLayout,BoxLayout,FlowLayout,GridLayout,GroupLayout£©
11¡£Ê¹Óà Painter
12¡£Using the Style Object ÉèÖÃÑùʽ¶ÔÏó
13¡£Theming Ƥ·ô
14¡£Resources ×ÊÔ´
15¡£Localization (L10N) ±¾µØ»¯
16¡£M3G ÓÃÓÚʵÏÖ3D¹¦ÄÜ,ÐèÒªÊÖ»úµÄÖ§³Ö Jsr184
17¡£Logging ÈÕÖ¾,¿ÉÒÔ±£´æÔÚRMS»òÕß±¾µØÎļþÖÐ
18¡£´´½¨×Ô¶¨ÒåµÄ×é¼þ,Ö»Òª¼Ì³ÐCompo
Ïà¹ØÎĵµ£º
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 ......
¶ÔÓÚѧϰstaticÎÒÃÇÏÈÀ´¿´Á½¸öÀý×Ó£º
//Example 1 Tst.java£¬no main() method
package com.blogchina.qb2049;
public class Tst
{
static { System.out.println("111111"); }
}
ÔËÐнá¹ûΪ: 111111
Exception in thread "main" java.lang.NoSuchMethodError: main
ͬÑùµÄµÀÀí¿´µÚ¶þ ......
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 ......
1 ÍøÂçͨÐŵı¾ÖÊÊǽø³Ì¼äͨÐÅ¡£
2 TcpÐÒéºÍUDPÐÒé
TCP£º¿ªÏú´ó£¬ÓÃÓÚ¿É¿¿ÐÔÒªÇó¸ßµÄ³¡ºÏ¡£
TCPµÄ¹ý³ÌÏ൱ÓÚ´òµç»°µÄ¹ý³Ì
UDP£ºÓÃÔÚ¶ÔʵʱÐÔÒªÇó±È½Ï¸ßµÄ³¡ºÏ¡£
UDPµÄ¹ý³ÌÏ൱ÓÚдÐŵĹý³Ì¡£
×¢Ò⣺socketÊÇÌ×½Ó×Ö£¬ipºÍport£¨¶Ë¿ÚºÅ 0~65535¸ö¶Ë¿Ú£¬Ò»¸ö¶Ë¿ÚÖ»ÄÜÓÐÒ»¸ö½ø³Ì£©
3£¬   ......
Ê×ÏÈһЩ±»³õʼ»¯¶ÔÏóµÄ¸ÅÄ
Àà±äÁ¿£¨Àྲ̬³ÉÔ±£©£º Àà±»¼ÓÔØÊ±²úÉú£»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 ......