<dependency>
<groupId>org.apache.poi</groupId>
<artifactId>poi</artifactId>
<version>4.1.2</version>
</dependency>
import org.apache.poi.ss.usermodel.*;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
public class ExcelReadWriteExample {
public static void main(String[] args) {
try {
Workbook workbook = new XSSFWorkbook();
Sheet sheet = workbook.createSheet("Sheet1");
Row row = sheet.createRow(0);
Cell cell = row.createCell(0);
cell.setCellValue("Hello, World!");
FileOutputStream fos = new FileOutputStream(new File("example.xlsx"));
workbook.write(fos);
fos.close();
FileInputStream fis = new FileInputStream(new File("example.xlsx"));
workbook = WorkbookFactory.create(fis);
fis.close();
sheet = workbook.getSheet("Sheet1");
row = sheet.getRow(0);
cell = row.getCell(0);
System.out.println(cell.getStringCellValue());
} catch (Exception e) {
e.printStackTrace();
}
}
}
