Red Hat Summit 红帽全球峰会支持控制台（Console）开发人员开始试用联系人

此内容没有您所选择的语言版本。

4.26. Instantiate an ArrayList Object Using a Static Factory Method

  1. Follow this example to instantiate an ArrayList object using a static factory method: 
    <jb:bean
   beanId="orders"
   class="java.util.List"
   factory="some.package.ListFactory#newList"
   createOnElement="orders"
>
     <!-- ... bindings -->
</jb:bean>
    Copy to Clipboard Toggle word wrap
    The some.package.ListFactory#newList factory definition establishes that the newList method must be called on the some.package.ListFactory class in order to create the bean. The class attributes define the bean as a List object. The specific kind of List object that it is (be it an ArrayList or a LinkedList), is decided by the ListFactory itself.
  2. Observe this additional example: 
    <jb:bean
   beanId="orders"
   class="java.util.List"
   factory="some.package.ListFactory#getInstance.newList"
   createOnElement="orders"
>
     <!-- ... bindings -->
</jb:bean>
    Copy to Clipboard Toggle word wrap
    This defines that an instance of the ListFactory needs to be retrieved using the static method getInstance and then the newList method needs to be called on the ListFactory object to create the List object. This construct lets you use singleton factories.
返回顶部
Red Hat logoGithubredditYoutubeTwitter

学习

尝试、购买和销售

社区

关于红帽文档

通过我们的产品和服务，以及可以信赖的内容，帮助红帽用户创新并实现他们的目标。 了解我们当前的更新.

让开源更具包容性

红帽致力于替换我们的代码、文档和 Web 属性中存在问题的语言。欲了解更多详情，请参阅红帽博客.

關於紅帽

我们提供强化的解决方案，使企业能够更轻松地跨平台和环境（从核心数据中心到网络边缘）工作。

Theme

© 2025 Red Hat