### Question:
FeatureClassificationGUI extends ClassificationGUI { private AtlasStylerVector getAtlasStyler() { return (AtlasStylerVector) atlasStyler; } FeatureClassificationGUI(Component owner,
			FeatureClassification classifier, AtlasStylerVector atlasStyler,
			String title); FeatureClassification getClassifier();  }### Answer:
@Test public void testShowGuiWithoutValueAttribute() throws Throwable { if (!hasGui()) return; AtlasStylerVector asv = AsTestingUtil .getAtlasStyler(TestDatasetsVector.countryShp); FeatureClassification classifier = new FeatureClassification( asv.getStyledFeatures()); ClassificationGUI gui = new FeatureClassificationGUI(null, classifier, asv, "junit test vector classification"); TestingUtil.testGui(gui); }
@Test public void testShowGui() throws Throwable { if (!hasGui()) return; AtlasStylerVector asv = AsTestingUtil .getAtlasStyler(TestDatasetsVector.countryShp); FeatureClassification classifier = new FeatureClassification( asv.getStyledFeatures()); classifier.setValue_field_name(FeatureUtil.getNumericalFieldNames( asv.getStyledFeatures().getSchema()).get(0)); ClassificationGUI gui = new FeatureClassificationGUI(null, classifier, asv, "junit test vector classification"); TestingUtil.testGui(gui); }