title: I want to copy specific columns from Excel file with extension, ".xlsx" using java (XSSF format)
body: <p>I am working on a project where I have to copy data from Sheet1 to Sheet2.</p>
  <p>I am able to create new file i.e. file2 and copy the whole data from file1 to file2.</p>
  <p><strong>My Requirement</strong> # I want to copy specific columns in specific sequence from file1 and paste the same in file2. I am using, &quot;.xlsx&quot; file. Note I have 10,000+ row of data to copy from each column.</p>
  <p>In Apache POI I did not find any help with regard to XSSF format to copy specific columns.</p>
  <p>Please guide me.</p>