Using ScrollPanel
package com.java2s.gwt.client; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.Window; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.ClickListener; import com.google.gwt.user.client.ui.RootPanel; import com.google.gwt.user.client.ui.Widget; import com.google.gwt.user.client.ui.HTML; import com.google.gwt.user.client.ui.ScrollPanel; public class GWTClient implements EntryPoint{ public void onModuleLoad() { HTML contents = new HTML("This is a <code>ScrollPanel</code>."+ "This is a <code>ScrollPanel</code>."+ "This is a <code>ScrollPanel</code>."+ "This is a <code>ScrollPanel</code>."+ "This is a <code>ScrollPanel</code>."); ScrollPanel scroller = new ScrollPanel(contents); scroller.setStyleName("layouts-Scroller"); RootPanel.get().add(scroller); } }