https://jira.baeldung.com/browse/BAEL-7575 (#15956)

* Update pom.xml - https://jira.baeldung.com/browse/BAEL-7575

https://jira.baeldung.com/browse/BAEL-7575

* Create ignore-this-file - https://jira.baeldung.com/browse/BAEL-7575

https://jira.baeldung.com/browse/BAEL-7575

* https://jira.baeldung.com/browse/BAEL-7575

https://jira.baeldung.com/browse/BAEL-7575

* Delete libraries-4/src/main/java/com/baeldung/jfreechart/ignore-this-file

https://jira.baeldung.com/browse/BAEL-7575

* Update pom.xml

libraries-4/pom.xml

@@ -98,6 +98,11 @@
             <artifactId>commons-lang3</artifactId>
             <version>${commons-lang3.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.jfree</groupId>
+            <artifactId>jfreechart</artifactId>
+            <version>${jfreechart.version}</version>
+        </dependency>
     </dependencies>
 
     <properties>
@@ -117,6 +122,7 @@
         <javafx.version>19</javafx.version>
         <spoon-core.version>10.3.0</spoon-core.version>
         <vavr.version>0.9.0</vavr.version>
+        <jfreechart.version>1.5.4</jfreechart.version>
     </properties>
 
-</project>
+</project>

libraries-4/src/main/java/com/baeldung/jfreechart/BarChartExample.java

@@ -0,0 +1,37 @@
+package com.baeldung.jfreechart;
+
+import javax.swing.JFrame;
+
+import org.jfree.chart.ChartFactory;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.data.category.DefaultCategoryDataset;
+
+public class BarChartExample {
+
+    public static void main(String[] args) {
+        // Create a dataset
+        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
+        dataset.addValue(200, "Sales", "January");
+        dataset.addValue(150, "Sales", "February");
+        dataset.addValue(180, "Sales", "March");
+        dataset.addValue(260, "Sales", "April");
+        dataset.addValue(300, "Sales", "May");
+
+        // Create a chart using the dataset
+        JFreeChart chart = ChartFactory.createBarChart(
+            "Monthly Sales", // Chart title
+            "Month", // X-axis label
+            "Sales", // Y-axis label
+            dataset); // data
+
+        // Display the chart
+        ChartPanel chartPanel = new ChartPanel(chart);
+        JFrame frame = new JFrame();
+        frame.setSize(800, 600);
+        frame.setContentPane(chartPanel);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+}

libraries-4/src/main/java/com/baeldung/jfreechart/CombinationChartExample.java

@@ -0,0 +1,61 @@
+package com.baeldung.jfreechart;
+
+import java.awt.Font;
+
+import javax.swing.JFrame;
+
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.chart.axis.CategoryAxis;
+import org.jfree.chart.axis.NumberAxis;
+import org.jfree.chart.plot.CategoryPlot;
+import org.jfree.chart.plot.PlotOrientation;
+import org.jfree.chart.renderer.category.BarRenderer;
+import org.jfree.chart.renderer.category.LineAndShapeRenderer;
+import org.jfree.data.category.DefaultCategoryDataset;
+
+public class CombinationChartExample {
+
+    public static void main(String[] args) {
+        // Create datasets
+        DefaultCategoryDataset lineDataset = new DefaultCategoryDataset();
+        lineDataset.addValue(200, "Sales", "January");
+        lineDataset.addValue(150, "Sales", "February");
+        lineDataset.addValue(180, "Sales", "March");
+
+        DefaultCategoryDataset barDataset = new DefaultCategoryDataset();
+        barDataset.addValue(400, "Profit", "January");
+        barDataset.addValue(300, "Profit", "February");
+        barDataset.addValue(250, "Profit", "March");
+
+        // Create a combination chart
+        CategoryPlot plot = new CategoryPlot();
+        plot.setDataset(0, lineDataset);
+        plot.setRenderer(0, new LineAndShapeRenderer());
+
+        plot.setDataset(1, barDataset);
+        plot.setRenderer(1, new BarRenderer());
+
+        plot.setDomainAxis(new CategoryAxis("Month"));
+        plot.setRangeAxis(new NumberAxis("Value"));
+
+        plot.setOrientation(PlotOrientation.VERTICAL);
+        plot.setRangeGridlinesVisible(true);
+        plot.setDomainGridlinesVisible(true);
+
+        JFreeChart chart = new JFreeChart(
+            "Monthly Sales and Profit", // chart title
+            null,  // null means to use default font
+            plot,  // combination chart as CategoryPlot
+            true); // legend
+
+        // Display the chart
+        ChartPanel chartPanel = new ChartPanel(chart);
+        JFrame frame = new JFrame();
+        frame.setSize(800, 600);
+        frame.setContentPane(chartPanel);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+}

libraries-4/src/main/java/com/baeldung/jfreechart/LineChartExample.java

@@ -0,0 +1,37 @@
+package com.baeldung.jfreechart;
+
+import javax.swing.JFrame;
+
+import org.jfree.chart.ChartFactory;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.data.category.DefaultCategoryDataset;
+
+public class LineChartExample {
+
+    public static void main(String[] args) {
+        // Create a dataset
+        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
+        dataset.addValue(200, "Sales", "January");
+        dataset.addValue(150, "Sales", "February");
+        dataset.addValue(180, "Sales", "March");
+        dataset.addValue(260, "Sales", "April");
+        dataset.addValue(300, "Sales", "May");
+
+        // Create a chart using the dataset
+        JFreeChart chart = ChartFactory.createLineChart(
+            "Monthly Sales", // Chart title
+            "Month", // X-axis label
+            "Sales", // Y-axis label
+            dataset); // data
+
+        // Display the chart
+        ChartPanel chartPanel = new ChartPanel(chart);
+        JFrame frame = new JFrame();
+        frame.setSize(800, 600);
+        frame.setContentPane(chartPanel);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+}

libraries-4/src/main/java/com/baeldung/jfreechart/PieChartExample.java

@@ -0,0 +1,36 @@
+package com.baeldung.jfreechart;
+
+import javax.swing.JFrame;
+
+import org.jfree.chart.ChartFactory;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.data.general.DefaultPieDataset;
+
+public class PieChartExample {
+
+    public static void main(String[] args) {
+        // Create a dataset
+        DefaultPieDataset<String> dataset = new DefaultPieDataset<>();
+        dataset.setValue("January", 200);
+        dataset.setValue("February", 150);
+        dataset.setValue("March", 180);
+
+        // Create a chart using the dataset
+        JFreeChart chart = ChartFactory.createPieChart(
+            "Monthly Sales", // Chart title
+            dataset, // data
+            true,    // include legend
+            true,    // generate tool tips
+            false);  // no URLs
+
+        // Display the chart
+        ChartPanel chartPanel = new ChartPanel(chart);
+        JFrame frame = new JFrame();
+        frame.setSize(800, 600);
+        frame.setContentPane(chartPanel);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+}

libraries-4/src/main/java/com/baeldung/jfreechart/TimeSeriesChartExample.java

@@ -0,0 +1,43 @@
+package com.baeldung.jfreechart;
+
+import javax.swing.JFrame;
+
+import org.jfree.chart.ChartFactory;
+import org.jfree.chart.ChartPanel;
+import org.jfree.chart.JFreeChart;
+import org.jfree.data.time.Month;
+import org.jfree.data.time.TimeSeries;
+import org.jfree.data.time.TimeSeriesCollection;
+
+public class TimeSeriesChartExample {
+
+    public static void main(String[] args) {
+        // Create a dataset
+        TimeSeries series = new TimeSeries("Monthly Sales");
+        series.add(new Month(1, 2024), 200);
+        series.add(new Month(2, 2024), 150);
+        series.add(new Month(3, 2024), 180);
+
+        TimeSeriesCollection dataset = new TimeSeriesCollection();
+        dataset.addSeries(series);
+
+        // Create a chart using the dataset
+        JFreeChart chart = ChartFactory.createTimeSeriesChart(
+            "Monthly Sales", // Chart title
+            "Date",  // X-axis label
+            "Sales", // Y-axis label
+            dataset, // data
+            true,    // legend
+            false,   // tooltips
+            false);  // no URLs
+
+        // Display the chart
+        ChartPanel chartPanel = new ChartPanel(chart);
+        JFrame frame = new JFrame();
+        frame.setSize(800, 600);
+        frame.setContentPane(chartPanel);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+}