package server;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Bounce {
 public static void main(String[] args) {
  JFrame frame = new BounceFrame();
  frame.setDefaultCloseOperation((JFrame.EXIT_ON_CLOSE));
  frame.setVisible(true);
  System.out.format("%d",2);
 }
 
}
class Ball
{
 
 private static final int XSIZE = 15;
 private static final int YSIZE = 15;
 private double x = 0;
 private double y = 0;
 private double dx = 1;
 private double dy = 1;
 
 
 
 public void move(Rectangle2D boun ......

 import java.util.Enumeration;
import java.util.HashMap;
import java.util.Properties;
public class SystemProperties
{
public static String LINE_SEPARATOR = "line.separator";
public static String FILE_SEPARATOR = "file.separator";
public static String USER_LANGUAGE = "user.language";
public static String FILE_ENCODING = "file.encoding";
public static String OS_NAME = "os.name";
public static String USER_DIR = "user.dir";
public static String USER_COUNTRY = "user.country";

private static SystemProperties SystemPropertiesInstance = null;
//零长度的byte数组对象创建起来将比任何对象都经济,查看编译后的字节码：
//生成零长度的byte[]对象只需3条操作码，而Object lock = new Object()则需要7行操作码
private static byte[] lockObject = new byte[0];

private HashMap<String,String> ptHashtable = null;

private SystemProperties()
{
InitAllProperties();
}
public static SystemProperties newInstance()
{
synchronized(lockObject)
{
if(null = ......

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
public class ThreadLog
{
private final static String _detailLogFile = "log"+File.separator+"detail";
private static boolean _logFlag = true;
private static HashMap<String, String> _threadDetailFile = new HashMap<String, String>();
private static int _fileIndex = 1;
private static void generateLogFile(String fileName)
{
String absoluteFilePath = ProjectConfig.getNFSCAbsolutePath() +
File.separator + "log" + File.separator +fileName;

_threadDetailFile.put(String.valueOf(Thread.currentThread().getId()) + "_" + fileName,
absoluteFilePath);

File file = new File(absoluteFilePath);
//create a new file
if(!file.exists())
{
try
{
file.createNewFile();
}
catch(IOException ex)
{
ExceptionDefaultHandler.handle(ex, "threadlog.log");
}
}
}
priv ......

 import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import com.paic.is.dispatch.TMPEntry;
public class DateTimeUtil
{
public final static String LOCAL_SHORT_DATE_FORMAT = "yyyy-MM-dd";
public final static String LOCAL_LONG_DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
public final static String STAND_LONG_DATE_FORMAT = "yyyy/MM/dd HH:mm:ss";
public final static String STAND_SHORT_DATE_FORMAT = "yyyy/MM/dd";
public static Date getCurrentDate()
{
return new Date(System.currentTimeMillis());
}
public static String getCurrentDateLocalFormatString()
{
return new SimpleDateFormat(LOCAL_LONG_DATE_FORMAT).format(getCurrentDate());
}
public static String getCurrentDateFormatString(String dateFormat)
{
return new SimpleDateFormat(dateFormat).format(getCurrentDate());
}
public static String getFormatString(Date date, String dateFormat)
{
return new SimpleDateFormat(dateFormat).format(date);
}
public static Date g ......

 import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import com.paic.is.dispatch.TMPEntry;
import javapasswordsdk.PSDKPassword;
import javapasswordsdk.PSDKPasswordRequest;
import javapasswordsdk.exceptions.PSDKException;
public class DBUtil
{
public final static String SELECT = " select ";
public final static String from = " from ";
public final static String WHERE = " where ";
public final static String ON = " on ";
public final static String LEFT_JOIN = " left join ";
public final static String RIGHT_JOIN = " right join ";
public final static String INNER_JOIN = " inner join ";
public final static String COLUMN_SEPARATOR = " , ";
public final static String INSERT = " insert ";
public final static String INTO = " into ";
public final static String UPDATE = " update ";
p ......

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.io.SAXReader;
public class DocumentUtil
{
public static Document loadXMLByAbsolutePath(String absoluteFilePath, String logFileName)
{
SAXReader saxReader = new SAXReader();
Document document = null;
try
{
document = saxReader.read(new File(absoluteFilePath));
}
catch(DocumentException ex)
{
ExceptionDefaultHandler.handle(ex, logFileName);
}
return document;
}
}
    ......