1·Custom validators need to be added to the form at the time of form instantiation.
定制验证器需要在表单实例化的时候添加到此表单。
2·Even in the case when objects update their state, object instantiation should be carefully considered.
即使在对象更新它们状态的情况下，也应该谨慎地考虑对象实例化。
3·This instantiation involves the default constructor for the class being called, with the injection of dependencies happening afterwards.
这种实例化涉及到要调用的类的默认构造函数，随后还要注入依赖关系。
4·The maps are maintained in parallel and are constructed as part of the class instantiation process.
这些映射可以并行进行维护，并且可以构建为类实例化过程中的一部分。
5·As with the SAX and DOM factory classes, one exception handles requested — but unsupported — features, and another exception handles instantiation errors.
对于SAX和DOM工厂类，一个异常处理已请求的但不受支持的特性，另一个异常处理实例化错误。