BarChart01.java

/**
 * Copyright 2015-2017 Knowm Inc. (http://knowm.org) and contributors.
 * Copyright 2011-2015 Xeiam LLC (http://xeiam.com) and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.knowm.xchart.demo.charts.bar;

import java.util.Arrays;

import org.knowm.xchart.CategoryChart;
import org.knowm.xchart.CategoryChartBuilder;
import org.knowm.xchart.SwingWrapper;
import org.knowm.xchart.demo.charts.ExampleChart;
import org.knowm.xchart.style.Styler.LegendPosition;

/**
 * Basic Bar Chart
 * <p>
 * Demonstrates the following:
 * <ul>
 * <li>Integer categories as List
 * <li>All positive values
 * <li>Single series
 * <li>Place legend at Inside-NW position
 * <li>Bar Chart Annotations
 */
public class BarChart01 implements ExampleChart<CategoryChart> {

  public static void main(String[] args) {

    ExampleChart<CategoryChart> exampleChart = new BarChart01();
    CategoryChart chart = exampleChart.getChart();
    new SwingWrapper<CategoryChart>(chart).displayChart();
  }

  @Override
  public CategoryChart getChart() {

    // Create Chart
    CategoryChart chart = new CategoryChartBuilder().width(800).height(600).title("Score Histogram").xAxisTitle("Score").yAxisTitle("Number").build();

    // Customize Chart
    chart.getStyler().setLegendPosition(LegendPosition.InsideNW);
    chart.getStyler().setHasAnnotations(true);
    chart.getStyler().setPlotGridLinesVisible(false);

    // Series
    chart.addSeries("test 1", Arrays.asList(0, 1, 2, 3, 4), Arrays.asList(4, 5, 9, 6, 5));

    return chart;
  }
}