title: Multiple Styles to Excel Cell POI
body: <p>I want to apply colour to cell as well as Format Cell value(e.g. Date,Amount).But when I am applying two Cell Style only the last style is gets applied on cell.</p>
  
  <pre><code>//before this colourCellStyle and dateCellStyle are the formatting style
  cell9 = row.createCell(9);
  cell9.setCellValue(getLoadDate());
  cell9.setCellStyle(colourCellStyle);
  cell9.setCellStyle(dateCellStyle);
  </code></pre>