### Question:
IntegerToDoubleConverter implements Converter<Integer, Double> { @Override public Class<Integer> getModelType() { return Integer.class; }  @Override Class<Integer> getModelType(); @Override Class<Double> getComponentType(); @Override Integer toModelValue(Double widgetValue); @Override Double toWidgetValue(Integer modelValue);  }### Answer:
@Test public void testGetModelType() { Class modelType = converter.getModelType(); assertEquals(Integer.class, modelType); }