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class ExceptionExample {
  public static void main(String[] args) {
    try {
      FileInputStream fis=null;
      switch(Integer.valueOf(args[0])) {
        case 1: 
          fis = new FileInputStream("c:\\somefolder\\file1"); 
          break;
        case 2: break;
        case 2: fis = new FileInputStream("c:\\somefolder\\file2");
                break;
        //...
        default:
          System.out.println("Invalid option"); 
                 break;
      }      
    }
    catch(Throwable t) { 
      MyExceptionReporter.report(t); // Sanitize 
    } 
  }
}