Java: Find and Replace Data in Excel

2023-07-19 06:45:00 Written by Koohji

Excel is a versatile tool extensively utilized for data management and analysis. There are occasions when you may require locating specific data within an Excel file and replacing it with updated values. In this article, we will explore how to find and replace data in Excel in Java using Spire.XLS for Java.

Install Spire.XLS for Java

First of all, you're required to add the Spire.Xls.jar file as a dependency in your Java program. The JAR file can be downloaded from this link. If you use Maven, you can easily import the JAR file in your application by adding the following code to your project's pom.xml file.

<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</artifactId>
        <version>15.11.3</version>
    </dependency>
</dependencies>

Find and Replace Data in a Worksheet in Excel

The Worksheet.findAllString() method provided by Spire.XLS for Java can help you find the cells containing specific text in Excel documents. Once found, you can conveniently replace these values with new ones using the CellRange.setText() method. The steps are as follows:

  • Create an instance of Workbook class.
  • Load an Excel file using Workbook.loadFromFile() method.
  • Get the desired worksheet using Workbook.getWorksheets().get() method.
  • Find the specific value in the worksheet using Worksheet.findAllString() method and replace the value of the cell with another value using CellRange.setText() method.
  • Set a background for the cell so you can easily find the updated cells using CellRange. getStyle().setColor() method.
  • Save the result file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.CellRange;
import com.spire.xls.ExcelVersion;
import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;

import java.awt.Color;

public class ReplaceData {
    public static void main(String[] args) {
        // Initialize an instance of the Workbook class
        Workbook workbook = new Workbook();
        // Load an Excel file
        workbook.loadFromFile("Test.xlsx");

        // Get the first worksheet
        Worksheet worksheet = workbook.getWorksheets().get(0);

        // Find the cells with the specific string value "Total" in the worksheet
        CellRange[] cells = worksheet.findAllString("Total", true, true);

        // Iterate through the found cells
        for (CellRange cell : cells) {
            // Replace the value of the cell with another value
            cell.setText("Sum");
            // Set a background color for the cell
            cell.getStyle().setColor(Color.YELLOW);
        }

        // Save the result file to a specific location
        workbook.saveToFile("ReplaceDataInWorksheet.xlsx", ExcelVersion.Version2016);
        workbook.dispose();
    }
}

Java: Find and Replace Data in Excel

Find and Replace Data in a Specific Cell Range in Excel

To replace data within a specific range of cells, you can utilize the CellRange.findAllString() method to locate cells within the range that contain the desired values. Then, use the CellRange.setText() method to replace the cell value with a new value. The detailed steps are as follows:

  • Create an instance of Workbook class.
  • Load an Excel file using Workbook.loadFromFile() method.
  • Get the desired worksheet using Workbook.getWorksheets().get() method.
  • Get a specific cell range using Worksheet.getCellRange() method.
  • Find the cells with the specific value in the cell range using CellRange.findAllString() method.
  • Iterate through the found cells
  • Replace the value of the cell with another value using CellRange setText() method.
  • Set a background for the cell so you can easily find the updated cells using the CellRange. getStyle().setColor() method.
  • Save the result file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.CellRange;
import com.spire.xls.ExcelVersion;
import com.spire.xls.Workbook;
import com.spire.xls.Worksheet;

import java.awt.Color;

public class ReplaceDataInCellRange {
    public static void main(String[] args) {
        // Initialize an instance of the Workbook class
        Workbook workbook = new Workbook();
        // Load an Excel file
        workbook.loadFromFile("Test.xlsx");

        // Get the first worksheet
        Worksheet worksheet = workbook.getWorksheets().get(0);

        // Get a specific cell range
        CellRange range = worksheet.getCellRange("A1:C12");

        // Find the cells with the specific value "Total" in the cell range
        CellRange[] cells = range.findAllString("Total", true, true);

        // Iterate through the found cells
        for (CellRange cell : cells) {
            // Replace the value of the cell with another value
            cell.setText("Sum");
            // Set a background color for the cell
            cell.getStyle().setColor(Color.YELLOW);
        }

        // Save the result file to a specific location
        workbook.saveToFile("ReplaceDataInCellRange.xlsx", ExcelVersion.Version2016);
        workbook.dispose();
    }
}

Java: Find and Replace Data in Excel

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If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

A pie chart is a circular chart divided into sectors, and each sector represents a proportionate part of the whole. It presents data in the form of graphs, which makes it easy for users to analyze and compare data. As for the doughnut chart, it performs the same function as the pie chart, except that it has a "hole" in the center. This article will demonstrate how to programmatically create a pie chart or a doughnut chart in Excel using Spire.XLS for Java.

Install Spire.XLS for Java

First of all, you're required to add the Spire.Xls.jar file as a dependency in your Java program. The JAR file can be downloaded from this link. If you use Maven, you can easily import the JAR file in your application by adding the following code to your project's pom.xml file.

<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</artifactId>
        <version>15.11.3</version>
    </dependency>
</dependencies>

Create a Pie Chart in Excel

The detailed steps are as follows:

  • Create a Workbook object.
  • Get a specified worksheet using Workbook.getWorksheets().get() method.
  • Add some data to specified cells and set the cell styles.
  • Add a pie chart to the worksheet using Worksheet.getCharts().add(ExcelChartType.Pie) method.
  • Set data range for the chart using Chart.setDataRange() method.
  • Set the position and title of the chart.
  • Get a specified series in the chart and set category labels and values for the series using ChartSerie.setCategoryLabels() and ChartSerie.setValues() methods.
  • Show data labels for data points.
  • Save the result file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.*;
import com.spire.xls.charts.ChartSerie;

import java.awt.*;

public class CreatePieChart {

    public static void main(String[] args) {

        //Create a Workbook object 
        Workbook workbook = new Workbook();

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Insert data to specified cells
        sheet.getCellRange("A1").setValue("Year");
        sheet.getCellRange("A2").setValue("2002");
        sheet.getCellRange("A3").setValue("2003");
        sheet.getCellRange("A4").setValue("2004");
        sheet.getCellRange("A5").setValue("2005");

        sheet.getCellRange("B1").setValue("Sales");
        sheet.getCellRange("B2").setNumberValue(4000);
        sheet.getCellRange("B3").setNumberValue(6000);
        sheet.getCellRange("B4").setNumberValue(7000);
        sheet.getCellRange("B5").setNumberValue(8500);

        //Set cell styles
        sheet.getCellRange("A1:B1").setRowHeight(15);
        sheet.getCellRange("A1:B1").getCellStyle().setColor(Color.darkGray);
        sheet.getCellRange("A1:B1").getCellStyle().getExcelFont().setColor(Color.white);
        sheet.getCellRange("A1:B5").getCellStyle().setVerticalAlignment(VerticalAlignType.Center);
        sheet.getCellRange("A1:B5").getCellStyle().setHorizontalAlignment(HorizontalAlignType.Center);

        //Set number format
        sheet.getCellRange("B2:C5").getCellStyle().setNumberFormat("\"$\"#,##0");

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

        //Set data range for the chart
        chart.setDataRange(sheet.getCellRange("B2:B5"));
        chart.setSeriesDataFromRange(false);

        //Set position of the chart 
        chart.setLeftColumn(3);
        chart.setTopRow(1);
        chart.setRightColumn(11);
        chart.setBottomRow(20);

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

        //Get a specified series in the chart
        ChartSerie cs = chart.getSeries().get(0);

        //Set category labels for the series
        cs.setCategoryLabels(sheet.getCellRange("A2:A5"));

        //Set values for the series
        cs.setValues(sheet.getCellRange("B2:B5"));

        //Show data labels for data points
        cs.getDataPoints().getDefaultDataPoint().getDataLabels().hasValue(true);

        //Save the result file 
        workbook.saveToFile("PieChart.xlsx", ExcelVersion.Version2016);
    }
}

Java: Create a Pie Chart or a Doughnut Chart in Excel

Create a Doughnut Chart in Excel

The detailed steps are as follows:

  • Create a Workbook object.
  • Get a specified worksheet using Workbook.getWorksheets().get() method.
  • Add some data to specified cells and set the cell styles.
  • Add a doughnut chart to the worksheet using Worksheet.getCharts().add(ExcelChartType.Doughnut) method.
  • Set data range for the chart using Chart.setDataRange() method.
  • Set the position and title of the chart.
  • Show data labels for data points.
  • Set the legend position of the chart using Chart.getLegend().setPosition() method.
  • Save the result file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.*;
import com.spire.xls.charts.ChartSerie;
import com.spire.xls.charts.ChartSeries;

import java.awt.*;

public class CreateDoughnutChart {

    public static void main(String[] args) {

        //Create a Workbook object 
        Workbook workbook = new Workbook();

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Insert data to specified cells
        sheet.getCellRange("A1").setValue("Country");
        sheet.getCellRange("A2").setValue("Cuba");
        sheet.getCellRange("A3").setValue("Mexico");
        sheet.getCellRange("A4").setValue("German");
        sheet.getCellRange("A5").setValue("Japan");


        sheet.getCellRange("B1").setValue("Sales");
        sheet.getCellRange("B2").setNumberValue(6000);
        sheet.getCellRange("B3").setNumberValue(8000);
        sheet.getCellRange("B4").setNumberValue(9000);
        sheet.getCellRange("B5").setNumberValue(8500);

        //Set cell styles
        sheet.getCellRange("A1:B1").setRowHeight(15);
        sheet.getCellRange("A1:B1").getCellStyle().setColor(Color.darkGray);
        sheet.getCellRange("A1:B1").getCellStyle().getExcelFont().setColor(Color.white);
        sheet.getCellRange("A1:B5").getCellStyle().setVerticalAlignment(VerticalAlignType.Center);
        sheet.getCellRange("A1:B5").getCellStyle().setHorizontalAlignment(HorizontalAlignType.Center);

        //Set number format
        sheet.getCellRange("B2:C5").getCellStyle().setNumberFormat("\"$\"#,##0");

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

        //Set data range for chart
        chart.setDataRange(sheet.getCellRange("A1:B5"));
        chart.setSeriesDataFromRange(false);

        //Set position of the chart 
        chart.setLeftColumn(3);
        chart.setTopRow(1);
        chart.setRightColumn(11);
        chart.setBottomRow(20);

        //Set chart title 
        chart.setChartTitle("Market share by country");
        chart.getChartTitleArea().isBold(true);
        chart.getChartTitleArea().setSize(12);

        //Show data labels for data points
        ChartSeries series = chart.getSeries();
        for (int i = 0 ; i < series.size() ; i++) {
            ChartSerie cs = series.get(i);
            cs.getDataPoints().getDefaultDataPoint().getDataLabels().hasPercentage(true);
        }

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

        //Save the result file
        workbook.saveToFile("DoughnutChart.xlsx", ExcelVersion.Version2016);
    }
}

Java: Create a Pie Chart or a Doughnut Chart in Excel

Apply for a Temporary License

If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

Java: Insert or Format Comments in Excel

2022-03-01 01:45:00 Written by Koohji

Comments in an Excel cell are commonly used for sharing extra information or reviews about the data inside the cell. Comments make it easy to remember, follow up, or reference the data in your worksheet. With Spire.XLS for Java, you can insert a comment to Excel as well as formatting a comment with easy. In this article, we will show you how to add a comment to your Excel spreadsheet in Java from the following three parts.

Install Spire.XLS for Java

First of all, you're required to add the Spire.Xls.jar file as a dependency in your Java program. The JAR file can be downloaded from this link. If you use Maven, you can easily import the JAR file in your application by adding the following code to your project's pom.xml file.

<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</artifactId>
        <version>15.11.3</version>
    </dependency>
</dependencies>

Add Comments in an Excel Worksheet

Spire.XLS offers the CellRange.addComment() method to insert the regular text comment to Excel worksheets.

  • Create a Workbook instance.
  • Load a sample Excel document using Workbook.loadFromFile() method.
  • Get a specified worksheet using Workbook.getWorksheets().get() method.
  • Add a comment in a specific cell range using CellRange.addComment() method and then set the comment text through the ExcelComment.setText() method.
  • Save the document to another file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.*;

public class Excelcomment {
    public static void main(String[] args) throws Exception {

        //Load the sample document from file
        Workbook workbook = new Workbook();
        workbook.loadFromFile("Sample.xlsx");

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Add regular comment to specific cell range C6
        CellRange range = sheet.getCellRange("C6");
        ExcelComment comment = range.addComment();
        comment.setVisible(true);
        comment.setText("Regular comment");

        //Save the document to another file
        workbook.saveToFile("Addcomment.xlsx", ExcelVersion.Version2016);

    }
}

Java: Insert or Format Comments in Excel

Apply Formatting to Comments in an Excel Worksheet

Spire.XLS offers the Comment.getRichText().setFont() method to apply font formatting for comments in Excel worksheets.

  • Initialize an instance of Workbook class and load an Excel file using Workbook.loadFromFile() method.
  • Get a specified worksheet using Workbook.getWorksheets().get() method.
  • Add a comment in a specific cell range using CellRange.addComment() method and then set the comment text.
  • Create an ExcelFont object and apply the font to the comment text using ExcelComment.getRichText.setFont() method.
  • Save the document to another file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.*;

import java.awt.*;

public class Excelcomment {
    public static void main(String[] args) throws Exception {

        //Load the sample document from file
        Workbook workbook = new Workbook();
        workbook.loadFromFile("Sample.xlsx");

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Create font
        ExcelFont font = workbook.createFont();
        font.setFontName("Calibri");
        font.setSize(12);
        font.setColor(Color.orange);
        font.isBold(true);

        //Add regular comment to specific cell range C6
        CellRange range = sheet.getCellRange("C6");
        ExcelComment comment = range.addComment();
        comment.setVisible(true);
        comment.setHeight(100);
        comment.setWidth(200);
        comment.getRichText().setText("Spire.XLS for Java Rich Text Comment ");
        comment.getRichText().setFont(0, 40, font);
        comment.setTextRotation(TextRotationType.LeftToRight);

        //Set the alignment of text in Comment
        comment.setVAlignment(CommentVAlignType.Center);
        comment.setHAlignment(CommentHAlignType.Justified);


        //Save the document to another file
        workbook.saveToFile("AddRichTextcomment.xlsx", ExcelVersion.Version2016);

    }
}

Java: Insert or Format Comments in Excel

Add Comment with Author in an Excel Worksheet

Spire.XLS offers the ExcelComment.setText() method to insert the comment with author to Excel worksheets.

  • Create a Workbook instance.
  • Load a sample Excel document using Workbook.loadFromFile() method.
  • Get a specified worksheet using Workbook.getWorksheets().get() method.
  • Add a comment in a specific cell range using CellRange.addComment() method.
  • Define the comment text and author and then add them as the comment content through the ExcelComment.setText() method.
  • Save the document to another file using Workbook.saveToFile() method.
  • Java
import com.spire.xls.*;

public class Excelcomment {
    public static void main(String[] args) throws Exception {

        //Load the sample document from file
        Workbook workbook = new Workbook();
        workbook.loadFromFile("Sample.xlsx");

        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //Add regular comment to specific cell range C6
        CellRange range = sheet.getCellRange("C6");
        ExcelComment comment = range.addComment();
        comment.setVisible(true);

        //Set the author and comment content
        String text = "Add a comment with Author";
        String author = "E-iceblue:";
        comment.setText(author + "\r" + text);

        //Save the document to another file
        workbook.saveToFile("Addcomment.xlsx", ExcelVersion.Version2016);

    }
}

Java: Insert or Format Comments in Excel

Apply for a Temporary License

If you'd like to remove the evaluation message from the generated documents, or to get rid of the function limitations, please request a 30-day trial license for yourself.

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