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Apache POI Outlining

Outlines are great for grouping sections of information together. It can be added easily to columns and rows using the POI API's methods.

Lets see an example in which we are applying outlining.

Apache POI Outlining Example

package poiexample;
import java.io.FileOutputStream;
import java.io.OutputStream;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
public class OutlineExample {
	public static void main(String[] args) {
		 try (OutputStream fileOut = new FileOutputStream("Javatpoint.xls")) {
			 Workbook wb = new HSSFWorkbook();
			 Sheet sheet1 = wb.createSheet("Sheet");
			 sheet1.groupRow( 4, 10 );
			 sheet1.groupColumn( 2, 8 );
		     wb.write(fileOut);
		 }catch(Exception e) {
			 System.out.println(e.getMessage());
		 }
	}
}

Output:

Apache POI Outlining

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