java UIManager
UIManager.setLookAndFeel(“
com.sun.java.swing.plaf.windows.WindowsLookAndFeel
”);//windowsĬÈÏ
UIManager.put("MenuBar.font", font);//¸ø¿Ø¼þÉèÖÃ×ÖÌå
static Object
put
(Object
key, Object
value)
public static void setLookAndFeel(String className, java.awt.Component c) {
try {
UIManager.setLookAndFeel(className);
SwingUtilities.updateComponentTreeUI(c);//×¢ÒâÕâÐÐ
}
catch (Exception ex) {
ex.printStackTrace();
JOptionPane.showMessageDialog(null,
"²»ºÃÒâ˼,setLookAndFeelʱ³ö´íÁË:( Errormsg:" + ex,
"setLookAndFeel",
JOptionPane.INFORMATION_MESSAGE);
}
Ïà¹ØÎĵµ£º
/**
*
* @param par
* ÈëÁ¦Ãû
* @return ÈëÁ¦値
*/
public static String inputfromConsole(String par) {
System.out.println(par);
InputStreamReader ......
1.FileÀàΪ¹ÜÀíÎļþºÍĿ¼ÌṩÁË·½·¨£¬Æä¶ÔÏó±íʾһ¸öÎļþ»òÕßĿ¼¡£ËüÌṩÁËÈô¸É·½·¨¶ÔÎļþ»òÎļþ¼Ð½øÐвÙ×÷¡£ÆäÖеÄlist()·½·¨ºÍlistFiles()·½·¨¿ÉÒÔÆðµ½¶¨Î»Ìض¨ÎļþµÄ×÷Óá£
2.ObjectÀ࣬ÊÇËùÓÐJavaÀàµÄ׿ÏÈ£¬ÈôÒ»¸öÀàÉùÃ÷ʱûÓаüº¬extends¹Ø¼ü×Ö£¬ÔòÆäÖ±½Ó¼Ì³ÐÓÚObjetcÀà¡£ÆäÖÐÓÐÐí¶àÖØÒª·½·¨£º
equals(),notify(), ......
¼¯ºÏCollection½Ó¿Ú
--Collection ÊÇÈκζÔÏó×é£¬ÔªËØ¸÷×Ô¶ÀÁ¢£¬Í¨³£ÓµÓÐÏàͬµÄÌ×ÓùæÔò¡£Set ListÓÉËüÅÉÉú¡£
»ù±¾²Ù×÷ Ôö¼ÓÔªËØadd(Object obj); addAll(Collection c);
ɾ³ýÔªËØ remove(Object obj); removeAll(Collection c);
Çó½»¼¯ retainAll(Collection c);
ɾ³ýÔªËØ remove(Object obj); removeAll(Collectio ......
//java½âÎö.mdbÎļþµÄ±íÃû¼¯ºÏ
this.tableList.clear();
conn = null;
st = null;
rs = null;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url ="jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ="+dbName;// ......
Ò».°¢ÀïÑз¢Ôº-º¼ÖÝ-Java¸ß¼¶³ÌÐòÔ±
ÈËÊý£º1ÈË
ѧÀú£º±¾¿Æ¼°ÒÔÉÏ
¹¤×÷µØµã£ºº¼ÖÝ
ְλÃèÊö:
1¡¢ Éè¼Æ¡¢¿ª·¢¡¢¸Ä½ø»ùÓÚJavaµÄ¹¤¾ßºÍ¿ò¼Ü£»
2¡¢ Ö¸µ¼¿ª·¢ÍŶÓʹÓù¤¾ßºÍ¿ò¼Ü£¬½â¾öÒÉÄÑÎÊÌâ¡£
ְλҪÇó£º
1¡¢ ÊìϤ²¢×ÔÈçÔËÓÃJavaÓïÑÔ¼°JDKÀà¿â£¬¾ß±¸Á¼ºÃµÄ±à³Ìϰ¹ß£»
2¡¢ ÊìϤ¶àÖÖJava¿ªÔ´ÏîÄ¿£¬¾«Í¨Ä¿Ç°Ö÷Á ......