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);
}
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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 ......
package ch01;
public class BubbleSort
{
public static void main(String[] args){
int[] values ={
&n ......
package com.dongyang;
/*
* ¶Áxlsдxml
*/
import java.io.FileOutputStream;
import java.io.FileInputStream;
import java.io.InputStream;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.output.XMLOutputter;
imp ......