package com.vaadin.tests.components.combobox; import java.util.stream.Collectors; import java.util.stream.IntStream; import com.vaadin.annotations.Widgetset; import com.vaadin.server.VaadinRequest; import com.vaadin.tests.components.AbstractTestUI; import com.vaadin.ui.ComboBox; @Widgetset("com.vaadin.DefaultWidgetSet") public class ComboBoxHeight extends AbstractTestUI { @Override protected void setup(VaadinRequest request) { ComboBox comboBox = new ComboBox<>(); comboBox.setPageLength(0); comboBox.setItems( IntStream.range(0, 100) .mapToObj(i -> "Item number " + String.valueOf(i)) .collect(Collectors.toList())); addComponent(comboBox); } }