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import java.awt.Color;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionAdapter;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JRadioButton;
//####################################
//¿ÉÄÜÓÐʱºò³ÌÐòÔËÐкóʲôҲûÓУ¬ÄãÐèÒªÊó±êÔÚÆÁÄ»ÉÏÒƶ¯Ï²ÅÄܳöÏÖ°´Å¥£¬
//ÖÁÓÚΪʲô£¬±¾Äñ²»¶®¡«¡«ÒÔºóÓдýÑо¿
//######################################
public class testEventMouse extends JFrame{ //Ö÷À࣬¼Ì³ÐJFrameÀ࣬ÒòΪҪÓõ½paint()·½·¨£¬ËùÒÔ
//±ØÐë¼Ì³ÐÒ»¸öFrameÀ࣬·ñÔòÎÒÕâ¸ö³õѧÕß»¹Ã»Ñ§µ½ÆäËû¿ÉÒÔµ÷ÓÃpaint()µÄ·½·¨
Container contentPanel; //ÄÚÈݸñÒýÓÃ
JButton b1,b2,b3,b4,b5;//ÕâÊÇÎå¸ö°´Å¥
JRadioButton backGroundRadio,foreGroundRadio; //¶¨ÒåÁ½¸öµ¥Ñ¡¿ò
ButtonGroup radioGroup; //µ¥Ñ¡°´Å¥×é
int xValue,yValue; //±£ÁôÊó±êλÖã¨x,y£©
JFrame jf=this;//°Ñµ±Ç°¶ÔÏó¸³Öµ¸øjf£¬ÒòΪÎÒºóÀ´µ÷´úÂëµÄʱºò·¢ÏÖ£¬±³¾°É«ÊÇÄÚÈݸñ»òÕß˵ÊÇÆäËü×é¼þ
//À´¹ÜÀíµÄ£¬Frame¿ò¼ÜÀàÊDz»¹ÜÀí±³¾°É«µÄ£»µ«ÊÇÎÒÖ®ËùÒÔÒª»ñÈ¡JFrameµÄ¶ÔÏó£¬ÊÇÒòΪǰ¾°É«Ö»Óпò¼ÜÀà
//Äܹ»¹ÜÀí£¬ÆäËüµÄ×é¼þûÓÐ×ʸñÀ´¹ÜÀí£»ºóÃæ×öʼþ´¦ÀíµÄ»°£¬Äã»á·¢ÏÖ

public testEventMouse(){ //¹¹Ô캯Êý
super("08¼Æ±¾ ²Ü·æ--Ä£Äâд×Ö°å");
b1=new JButton("Black");//ʵÏÖÎå¸ö°´Å¥
b2=new JButton("Blue");
b3=new JButton("Red");
b4=new JButton("White");
b5=new JButton("Yellow");
contentPanel=this.getContentPane();//»ñÈ¡ÄÚÈݸñ
contentPanel.setLayout(new FlowLayout());//ÉèÖÃÄÚÈݸñµÄ²¼¾Ö¹ÜÀíÆ÷

backGroundRadio=new JRadioButton("backGround"); //ʵÀý»¯¸´Ñ¡¿ò
foreGroundRadio=new JRadioButton("foreGround");

contentPanel.add(backGroundRadio);//Ìí¼Óµ½ÄÚÈݸñÀïÃæÈ¥
contentPanel.add(foreGroundRadio);

contentPanel.add(b1);//Ìí¼Ó°´Å¥
contentPanel.add(b2);
contentPanel.add(b3);
contentPanel.add(b4);
contentPanel.add(b5);

MouseListenerHandler mou=new MouseListenerHandler(); //ʵÏÖÒ»


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import java.util.*;
public class bycomma{
 public static String[] splitStringByComma(String source){
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JavaÓÅ»¯±à³Ì

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java ¿àÓëÀÖ£¨²Ý¸å£©

  Ñ¡ÔñÁËjava£¬Ò²¾ÍÊÇÑ¡ÔñÁËÒ»Ìõ¹âÃ÷¶ø¿²¿ÀµÄµÀ·¡£ËµËû¹âÃ÷ÊÇÒòΪӦÓõĵط½ÈÕÒæ¹ã·º£¬È«ÇòÓкܴóµÄ¿ª·¢ÈºÌåÔÚΪ֮æµ£¬¿ªÔ´ÏîÄ¿Ó¦Óо¡ÓУ»ËµËû¿²¿À£¬ÊÇÒòΪËæ×ÅjavaµÄ·¢Õ¹£¬ÏÖÔÚÓÐÁËÌ«¶àµÄ·ÖÖ§¼¼Êõj2ee 13ÖÖ¼¼Êõ£¬Ì«¶àµÄ¿ò¼Ü(´Óµ×²ãµ½Ò³Ãæ)Èç¹ûÒªÕÆÎÕ»¹Õæ²»ÊǼþÈÝÒ×µÄÊÂÇ飬¶øÇÒ¿ªÔ´µÄ¶«Î÷ÓÀÎÞÖ¹¾¡µÄÔÚÉý¼¶£¬ÔÚÍƳ ......

String in Java

 ÖÚËùÖÜÖª£¬StringÊÇÓÉ×Ö·û×é³ÉµÄ´®£¬ÔÚ³ÌÐòÖÐʹÓÃƵÂʺܸߡ£JavaÖеÄStringÊÇÒ»¸öÀ࣬¶ø²¢·Ç»ù±¾Êý¾ÝÀàÐÍ¡£ ²»¹ýËýÈ´²»ÊÇÆÕͨµÄÀàŶ£¡£¡£¡
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