Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.save.abstractclasses; import com.vaadin.ui.Button; /** * * @author jetdario */ public abstract class AbstractButton extends Button { public AbstractButton() { setWidth("100%"); addStyleName("primary"); addStyleName("small"); } }