How to apply fonts to the contents of a cell using Java

Problem Description

How to apply fonts to the contents of a cell using Java.

Solution

Following is the program to apply fonts to the contents of a cell using Java.

import java.io.File;
import java.io.FileOutputStream;

import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFCellStyle;
import org.apache.poi.xssf.usermodel.XSSFFont;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class DifferentFontsToCell {
   public static void main(String[] args)throws Exception {

      //Create a Work Book
      XSSFWorkbook workbook = new XSSFWorkbook();

      //Create a Spread Sheet
      XSSFSheet spreadsheet = workbook.createSheet("Fontstyle");
      XSSFRow row = spreadsheet.createRow(2);

      //Create a new font and alter it
      XSSFFont font = workbook.createFont();
      
      font.setFontHeightInPoints((short) 30);
      font.setFontName("IMPACT");
      font.setItalic(true);
      font.setColor(HSSFColor.BRIGHT_GREEN.index);

      //Set font into style
      XSSFCellStyle style = workbook.createCellStyle();
      style.setFont(font);

      // Create a cell with a value and set style to it.
      XSSFCell cell = row.createCell(1);
      
      cell.setCellValue("Font Style");
      cell.setCellStyle(style);
      
      FileOutputStream out = new FileOutputStream(new File("C:/poiexcel/fontstyle.xlsx"));
      workbook.write(out);
      out.close();
      
      System.out.println("fontstyle.xlsx written successfully");
   }
}

Output