GChart subclassing

MyChart.java

package com.example.charts4j;

import static com.googlecode.charts4j.Color.ALICEBLUE;
import static com.googlecode.charts4j.Color.BLACK;
import static com.googlecode.charts4j.Color.LAVENDER;
import static com.googlecode.charts4j.Color.WHITE;

import java.util.List;

public class MyChart extends BarChart {
    
    public MyChart(List<? extends Plot> barChartPlots, List<String> axisLabelStrings) {
        super(Plots.copyOf(barChartPlots));
        
        // Defining axis info and styles
        AxisStyle axisStyle = AxisStyle.newAxisStyle(BLACK, 13, AxisTextAlignment.CENTER);
        AxisLabels score = AxisLabelsFactory.newAxisLabels("Score", 50.0);
        score.setAxisStyle(axisStyle);
        AxisLabels year = AxisLabelsFactory.newAxisLabels("Year", 50.0);
        year.setAxisStyle(axisStyle);
        
        // Adding axis info to 
        addXAxisLabels(AxisLabelsFactory.newAxisLabels(axisLabelStrings));
        addYAxisLabels(AxisLabelsFactory.newNumericRangeAxisLabels(0, 100));
        addYAxisLabels(score);
        addXAxisLabels(year);
        
        setSize(600, 450);
        setBarWidth(100);
        setSpaceWithinGroupsOfBars(20);
        setDataStacked(true);
        setTitle("Team Scores", BLACK, 16);
        setGrid(100, 10, 3, 2);
        setBackgroundFill(Fills.newSolidFill(ALICEBLUE));
        LinearGradientFill fill = Fills.newLinearGradientFill(0, LAVENDER, 100);
        fill.addColorAndOffset(WHITE, 0);
        setAreaFill(fill);
    }
}

MyChartSample.java

package com.example.charts4j;

import static com.googlecode.charts4j.Color.BLUEVIOLET;
import static com.googlecode.charts4j.Color.LIMEGREEN;
import static com.googlecode.charts4j.Color.ORANGERED;

import java.util.Arrays;

public class MyChartSample {
    
    public static void main(String[] args) {
        BarChartPlot team1 = Plots.newBarChartPlot(Data.newData(25, 43, 12, 30), BLUEVIOLET, "Team A");
        BarChartPlot team2 = Plots.newBarChartPlot(Data.newData(8, 35, 11, 5), ORANGERED, "Team B");
        BarChartPlot team3 = Plots.newBarChartPlot(Data.newData(10, 20, 30, 30), LIMEGREEN, "Team C");
        
        MyChart chart = new MyChart(
                Arrays.asList(team1, team2, team3),
                Arrays.asList("2002", "2003", "2004", "2005"));
        System.out.println(chart.toURLString());
    }
    
}