public final ObjectMapper mapper = new ObjectMapper(); 
   
  public static void main(String[] args) throws Exception{ 
    JavaType javaType = getCollectionType(ArrayList.class, YourBean.class); 
    List<YourBean> lst = (List<YourBean>)mapper.readValue(jsonString, javaType); 
  }
  
    /**  
    * 获取泛型的Collection Type 
    * @param collectionClass 泛型的Collection  
    * @param elementClasses 元素类  
    * @return JavaType Java类型  
    * @since 1.0  
    */  
  public static JavaType getCollectionType(Class<?> collectionClass, Class<?>... elementClasses) {  
    return mapper.getTypeFactory().constructParametricType(collectionClass, elementClasses);  
  }