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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:\\homepath\\file1"); 
          break;
        case 2: 
          fis = new FileInputStream("c:\\homepath\\file2");
          break;
        //...
        default:
          System.out.println("Invalid option"); 
          break;
      }      
    } catch (Throwable t) { 
      MyExceptionReporter.report(t); // Sanitize 
    } 
  }
}