### Question:
Excel { public <E> E readValueAt(final String cellAddress, final Class<E> type) { return readCell(cellAt(cellAddress), type); } Excel(final InputStream in); E readValueAt(final String cellAddress, final Class<E> type); List<E> readColumn(final String rangeOrStartAddress, final Class<E> type); String namedRangeToRangeAddress(final String namedRange); Cell cellAt(final String cellAddr); Object[][] readBlock(final String range, final Class<?>... columnTypes); Workbook getWorkbook();  }### Answer:
@Test public void shouldReadSingleCell() { String result = xlsx.readValueAt("'Test Sheet'!C3", String.class); assertEquals("TestA", result); }