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Java ʱ¼ä·¶Î§ Util

 import java.util.Date;
public class TimeSpan
{
public final static TimeSpan ZERO = new TimeSpan(0);

private long _totalMilliSeconds = 0;

public TimeSpan(long totalMilliSeconds)
{
_totalMilliSeconds = totalMilliSeconds;
}

public TimeSpan(Date afterDate, Date beforeDate)
{
this(afterDate.getTime() - beforeDate.getTime());
}

public long getMilliSeconds()
{
return _totalMilliSeconds;
}
public long getSeconds()
{
return Math.round(_totalMilliSeconds/1000);
}
public long getMinutes()
{
return Math.round(_totalMilliSeconds/(1000*60));
}
public long getHours()
{
return Math.round(_totalMilliSeconds/(1000*60*60));
}
}


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Java ¿ª·¢ÎªÊ²Ã´ÐèÒª UML

Java ¿ª·¢ÎªÊ²Ã´ÐèÒª UML
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 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.Recta ......

Java Òì³£´¦Àí

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
public class ExceptionDefaultHandler
{
private final static String _relativeExceptionLogPath = "log";
private final static String _defaultExceptionLogFileName = "exception.log";
......
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