hyphen is converted into diamond black question mark, while setting Excel column header using apache POI
<p>work book creation</p>

<pre><code>HSSFWorkbook workbook = new HSSFWorkbook();
HSSFSheet dashboardData = workbook.createSheet("name of the excel sheet");
</code></pre>

<p>this is where I am creating the header</p>

<pre><code>cell = row.createCell(3);
cell.setCellValue("Subscriber Count - Active");
cell.setCellStyle(style);
</code></pre>