How do you extract data from Excel using 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 read an existing Excel file in Java?

Open excel file in input mode (inputstream) Use POI API and read the excel content. Update cell’s value using different setCellValue methods. Close the excel input file (inputstream)

How does selenium fetch data from Excel?

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 do you read and write in same Excel file using Java?

1 Answer

1. Open the file to Input stream.
2. Open the same file to an Output Stream.
3. Read and do the processing.
4. Write contents to output stream.
5. Close the read/input stream, close file.
6. Close output stream, close file.

How pass data from Excel to selenium?

Step 1: First create a method to read excel data and return string array. Step 2: Create before class and after class methods which helps in getting the browser and closing them when done. Step 3: Create a data provider which actually gets the values by reading the excel.

How does Apache POI read Excel data?

Reading and Writing data to excel file using Apache POI

1. Create a workbook.
2. Create a sheet in workbook.
3. Create a row in sheet.
4. Add cells in sheet.
5. Repeat step 3 and 4 to write more data.

How read and write csv file in Java?

Reading and Writing CSVs in Java

1. Use FileReader to open the CSV file.
2. Create a BufferedReader and read the file line by line until an “End of File” (EOF) character is reached.
3. Use the String. split() method to identify the comma delimiter and split the row into fields.