Finds the workbook instance for XLSX file XSSFWorkbook myWorkBook = new XSSFWorkbook (fis) You can see we have used two for loop, one to iterate over all rows and the inner loop is to go through each column.įile myFile = new File( "C://temp/Employee.xlsx") įileInputStream fis = new FileInputStream(myFile) This how exactly you read rows and columns from an Excel file in Java. Here is how our sample Excel 2013 File looks like, remember this has saved in. If you are not using Maven then add the following JAR files in your Java program's classpath For example, adding below XML snippet in pom.xml will download four JAR files When you add poi-ooxml JAR as dependency via Maven, it will also add other required dependencies by itself. You need to include the poi-ooxml jar in your project, along with the dependencies for it. xlsx format) are in a different Jar file. XSSFWorkBook and HSSFWorkBook.īy the way, as Norbert pointed out, The classes for OOXML format (such as XSSF for reading. If you are only concerned about reading Excel files then at-least remember XSSF and HSSF classes e.g. It's very important that you know full form of these acronyms, otherwise it would be difficult to keep track of which implementation is for which format.
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