In this article, we’ll go through how to convert CSV to Excel in Java and provide sample code to show how it’s done. In addition, we provide step-by-step instructions on how to install the required libraries for document conversion, as well as the classes that must be used. You can do document transformation with a few lines of code and generate XLSX from CSV using Java at the end of this tutorial.

Steps to Convert CSV to Excel in Java

1. Setup GroupDocs.Conversion for Java from the Maven repository in the Java project
2. Include required classes for performing document conversion from CSV to Excel
3. Load the source CSV file by creating an instance of the Converter class for document transformation to Excel format
4. Create an object of the SpreadsheetConvertOptions class for specifying properties for the output XLSX file
5. Save the output Excel file to a disk by consuming the Converter class Convert method and passing parameters of the SpreadsheetConvertOptions class instance along with the name of the output Excel file

We have just elaborated the steps for implementing the Java convert CSV to Excel feature. Document conversion is accomplished with just a few API calls and no third-party tool. Additionally, these instructions can be used to convert both simple and advanced documents. For complex document transformation, you must declare properties for the resulting Excel file by using the SpreadsheetConvertOptions class.

Code to Convert CSV to Excel in Java

To demonstrate how the feature works, we have created a sample Java code to convert CSV to XLSX. You can use this example as a starting point for document transformation and adapt it to fit your needs. For this tutorial, we have built an XLSX document from the CSV file. In addition, you may convert documents to XLSX from a variety of formats, including XLS, XLTM, XML, XPS, and many others.

We looked at how to convert a CSV file to Excel using Java in this article. In a recent article, we explained the process and provided sample code for converting PDF to Excel document; if you’re interested in learning more, see how to convert PDF to Excel using Java.