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How do you read and write a excel file in Java?

How do you read and write a excel file in Java?

Example of read excel file (.xlsx)

  1. import java.io.File;
  2. import java.io.FileInputStream;
  3. import java.util.Iterator;
  4. import org.apache.poi.ss.usermodel.Cell;
  5. import org.apache.poi.ss.usermodel.Row;
  6. import org.apache.poi.xssf.usermodel.XSSFSheet;
  7. import org.apache.poi.xssf.usermodel.XSSFWorkbook;

How do I create a spreadsheet in Excel and write in Java?

Follow the steps given below to create an excel file in Java. Step 1: Create a Java project in eclipse. We have created a Java project with the name CreateExcelEile. Step 2: Create a class with the name CreateExcelFileExample1 and write the code that we have written in CreateExcelFileExample1.

How do you read and write Excel csv file in Java?

Steps to read Java CSV file in eclipse:

  1. 1: Create a class file with the name CSVReaderDemo and write the following code.
  2. 2: Create a lib folder in the project.
  3. 3: Download opencsv-3.8.jar.
  4. 4: Copy the opencsv-3.8. jar and paste into the lib folder.
  5. 5: Run the program.
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How do you read and write Excel?

Reading an excel file is also very simple if we divide this in steps.

  1. Create workbook instance from excel sheet.
  2. Get to the desired sheet.
  3. Increment row number.
  4. iterate over all cells in a row.
  5. repeat step 3 and 4 until all data is read.

How read and write data from Excel file in Java using Selenium Webdriver?

Apache POI Installation

  1. Step 1– Download the apache poi jar file from the official website and click on the Download section. One can download the.
  2. Step 2 – Once the zip file is downloaded, extract the zip file and save it.
  3. The code below is used to read the data from the sample Excel sheet using Selenium.

How read multiple Excel sheets in Java?

3 Answers

  1. HSSF: POI Project’s pure Java implementation of the Excel ’97(-2007) file format. HSSFSheet sheet = (HSSFSheet) sheetIterator. next();
  2. XSSF: POI Project’s pure Java implementation of the Excel 2007 OOXML (. xlsx) file format. XSSFSheet sheet = (XSSFSheet) sheetIterator.next();
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How do you create a spreadsheet in java?

Here are the basic steps for writing an Excel file:

  1. Create a Workbook.
  2. Create a Sheet.
  3. Repeat the following steps until all data is processed: Create a Row. Create Cellsin a Row. Apply formatting using CellStyle.
  4. Write to an OutputStream.
  5. Close the output stream.