title: FileoutputStream FileNotFoundException
body: <p>I'm using java SE eclipse.
  As I know, When there are no file named by parameter FileOutputStream constructor create new file named by parameter. However, with proceeding I see that FileOutputStream make exception FileNotFoundException. I really don't know Why this exception needed. Anything wrong with my knowledge?</p>
  
  <p>My code is following(make WorkBook and write into file. In this code, although there are no file "data.xlsx", FileOutpuStream make file "data.xlsx".</p>
  
  <pre><code>    public ExcelData() {
      try {
          fileIn = new FileInputStream("data.xlsx");
          try {
              wb = WorkbookFactory.create(fileIn);
              sheet1 = wb.getSheet(Constant.SHEET1_NAME);
              sheet2 = wb.getSheet(Constant.SHEET2_NAME);
          } catch (EncryptedDocumentException | InvalidFormatException | IOException e) {
              e.printStackTrace();
          } // if there is file, copy data into workbook
      } catch (FileNotFoundException e1) {
          initWb();
          try {
              fileOut = new FileOutputStream("data.xlsx");
              wb.write(fileOut);
          } catch (FileNotFoundException e) {
              e.printStackTrace();
          } catch (IOException e) {
              e.printStackTrace();
          } 
  
      } // if there is not file, create init workbook
  
  } // ExcelData()
  </code></pre>
  
  <p>If anything weird, please let me know, thank you</p>