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7 Ιουν 2019 · I am using apache.poi to make an excel file, but when I generate it with a simple java code when I'm trying to open with Microsoft Excel, it says that this file cannot be opened because my file format or extension not valid. I'm using the latest poi, and Micrisoft Office 2019 32-bit.
15 Οκτ 2015 · I have created a Workbook/Excel in .xlsx format with Java using Apache POI API successfully. My code is as below that is created a file named "RiponAlWasim.xlsx" in D drive: When I tried to open "RiponAlWasim.xlsx" it was shown the file is corrupted.
9 Ιαν 2024 · In this article, we saw how to use the Apache POI API, JExcel API, and Fastexcel API to read and write an Excel file from a Java program. When deciding on which library to use, we should consider the benefits and drawbacks of each library.
3 Ιουλ 2022 · In Java, reading an Excel file is not similar to reading a Word file because of cells in an Excel file. JDK does not provide a direct API to read data from Excel files for which we have to toggle to a third-party library that is Apache POI.
30 Μαΐ 2019 · This Java Excel tutorial shows you how to update an existing Microsoft Excel file using the Apache POI library. Here are the steps for updating an Excel file: Read the Excel file to an InputStream and get the Workbook from this stream. Update new data to an existing Sheet or create a new Sheet. Close the InputStream.
27 Νοε 2020 · In the software industry, information needs to be portable and hence any valid data is available in XLS and XLSX formats i.e. excel formats. In order to communicate between excel formats and java, we need to use Apache POI and JExcel APIs. Let us see in this article how to use them via a sample maven project. Necessary dependencies to be used for u
When you open a file in Excel, you get an message that the file name extension doesn't match the actual file format. For example, the file has an .xlsx file name extension but it's really a text file and should have a .txt file name extension.
