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Create a Line Chart in Excel in Java

A Line Chart is a basic type of charts that depicts trends and behaviors over time. It displays information as a series of data points connected by straight line segments. This article will share how to create a line chart in Excel using Free Spire.XLS for Java.

Import Dependency (2 Methods)

1# Download the free library and unzip it, then add the Spire.Xls.jar file to your project as dependency.

2# Directly add the jar dependency to maven project by adding the following configurations to the pom.xml.

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.xls.free</artifactId>
        <version>5.1.0</version>
    </dependency>
</dependencies>
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Sample Code

The Worksheet.getCharts().add(ExcelChartType.Line) method offered by Free Spire.XLS for Java allows you to insert a line chart to the Excel worksheet. The complete sample code are shown as below.

import com.spire.xls.*;
import com.spire.xls.charts.ChartSerie;

import java.awt.*;

public class CreateLineChart {
    public static void main(String []args){
        //Create a Workbook instance
        Workbook workbook = new Workbook();

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);
        //Set sheet name
        sheet.setName("Line Chart");;
        //Hide gridlines
        sheet.setGridLinesVisible(false);

        //Add some data to the worksheet
        sheet.getRange().get("A1").setValue("Country");
        sheet.getRange().get("A2").setValue("Cuba");
        sheet.getRange().get("A3").setValue("Mexico");
        sheet.getRange().get("A4").setValue("France");
        sheet.getRange().get("A5").setValue("German");

        sheet.getRange().get("B1").setValue("Jun");
        sheet.getRange().get("B2").setNumberValue(3300);
        sheet.getRange().get("B3").setNumberValue(2300);
        sheet.getRange().get("B4").setNumberValue(4500);
        sheet.getRange().get("B5").setNumberValue(6700);

        sheet.getRange().get("C1").setValue("Jul");
        sheet.getRange().get("C2").setNumberValue(7500);
        sheet.getRange().get("C3").setNumberValue(2900);
        sheet.getRange().get("C4").setNumberValue(2300);
        sheet.getRange().get("C5").setNumberValue(4200);

        sheet.getRange().get("D1").setValue("Aug");
        sheet.getRange().get("D2").setNumberValue(7700);
        sheet.getRange().get("D3").setNumberValue(6900);
        sheet.getRange().get("D4").setNumberValue(8400);
        sheet.getRange().get("D5").setNumberValue(4200);

        sheet.getRange().get("E1").setValue("Sep");
        sheet.getRange().get("E2").setNumberValue(8000);
        sheet.getRange().get("E3").setNumberValue(7200);
        sheet.getRange().get("E4").setNumberValue(8300);
        sheet.getRange().get("E5").setNumberValue(5600);

        //Set font and fill color for specified cells
        sheet.getRange().get("A1:E1").getStyle().getFont().isBold(true);
        sheet.getRange().get("A1:E1").getStyle().setKnownColor(ExcelColors.LightGreen1);;
        sheet.getRange().get("A2:A5").getStyle().setKnownColor(ExcelColors.LightYellow);

        //Set cell borders
        sheet.getRange().get("A1:E5").borderInside(LineStyleType.Thin, Color.BLUE);
        sheet.getRange().get("A1:E5").borderAround(LineStyleType.Medium, Color.BLACK);

        //Set number format
        sheet.getRange().get("B2:D5").getStyle().setNumberFormat("\"$\"#,##0");

        //Add a line chart to the worksheet
        Chart chart = sheet.getCharts().add(ExcelChartType.Line);

        //Set data range for the chart
        chart.setDataRange(sheet.getRange().get("A1:E5"));

        //Set position of the chart
        chart.setLeftColumn(1);
        chart.setTopRow(6);
        chart.setRightColumn(11);
        chart.setBottomRow(29);

        //Set and format chart title
        chart.setChartTitle("Sales Report");
        chart.getChartTitleArea().isBold(true);
        chart.getChartTitleArea().setSize(12);

        //Set and format category axis title
        chart.getPrimaryCategoryAxis().setTitle("Month");
        chart.getPrimaryCategoryAxis().getFont().isBold(true);
        chart.getPrimaryCategoryAxis().getTitleArea().isBold(true);

        //Set and format value axis title
        chart.getPrimaryValueAxis().setTitle("Sales (in USD)");
        chart.getPrimaryValueAxis().hasMajorGridLines(false);
        chart.getPrimaryValueAxis().getTitleArea().setTextRotationAngle(-90);
        chart.getPrimaryValueAxis().setMinValue(1000);
        chart.getPrimaryValueAxis().getTitleArea().isBold(true);

        //Loop through the data series of the chart
        for(ChartSerie cs : (Iterable<ChartSerie>) chart.getSeries())
        {
            cs.getFormat().getOptions().isVaryColor(true);
            //Show data labels for data points
            cs.getDataPoints().getDefaultDataPoint().getDataLabels().hasValue(true);
        }

        //Set position of chart legend
        chart.getLegend().setPosition(LegendPositionType.Top);

        //Save the result file
        workbook.saveToFile("LineChart.xlsx", ExcelVersion.Version2016);
    }
}
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The Result Document

Line Chart

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