dataseries.java

这是一个十分有用的java图形工具包

package net.turbochen.graph;
import java.util.*;

import net.turbochen.graph.util.*;

/**
 * @author Turbo Chen
 */
public class DataSeries
{
    
    protected ArrayList xData;
    protected ArrayList yData;

    public DataSeries()
    {
        xData = new ArrayList();
        yData = new ArrayList();
    }
    
    public DataSeries(Object[] xData,Object[] yData) 
                                throws InvalidDataException
    {
        this();
        if ( xData==null || yData==null || 
            xData.length != yData.length)
            throw new InvalidDataException();
        for ( int i = 0;i<yData.length;i++ )
        {
            this.xData.add(xData[i]);
            this.yData.add(yData[i]);
        }
    }

    public int size()
    {
        return xData.size();
    }

    public Object getXData(int index)
    {
        return xData.get(index);
    }
    
    public Object getYData(int index)
    {
        return yData.get(index);
    }
    
    public void addXData(Object x)
    {
        xData.add(x);
    }

    public void addYData(Object y)
    {
        yData.add(y);
    }
    
    public void removeXData(int index)
    {
        xData.remove(index);
    }
    
    public void removeYData(int index)
    {
        yData.remove(index);
    }

}