### Question:
IOCloser { public static void close(InputStream is) { if (is != null) { try { is.close(); } catch (Exception e2) { } } } private  IOCloser(); static void close(InputStream is); static void close(BufferedReader br);  }### Answer:
@Test public void close_A$InputStream() throws Exception { InputStream is = null; IOCloser.close(is); }
@Test public void close_A$BufferedReader() throws Exception { BufferedReader br = null; IOCloser.close(br); }