The first one asserts that the calculator instance object is not null, i.e. it exists.
第一个宣称这个计数器实例对象不是空，就像它实际存在一样。
Normally, if it is reached again, a new instance object is created which inherits this mark.
通常，如果再次到达该实例，则将创建一个继承此标记的新实例对象。
The DocumentRoot instance object is the first retrieved, and is the root node used in the operation logic in Listing 8.
所检索到的第一个对象是DocumentRoot实例对象，此对象在清单8中的操作逻辑中作为根节点使用。
You are not allowed to delete the last administrator work item, since the corresponding instance object must remain manageable.
不允许删除最后一个管理员工作项，这是因为相应的实例对象必须保持能够管理。
This instance populates the backend data, sets an instance object of UserFormBean, and returns this object using this method call.
这一实例植入后端数据，设置userformbean的实例对象，并使用以下方法调用返回该对象。
Instead it simply creates the property for you — on that particular instance of the data object.
相反，它将直接为您创建该属性——在这个特定的数据对象实例上。
Sets all the instance variables in the object to their default values.
将对象中所有的实例变量设置为它们的默认值。
The ability to examine the metadata of a type or object instance at run time is a powerful feature.
在运行时检查类型或对象实例的元数据的能力是一个非常强大的功能。
Because of the way components in large applications communicate, it's not always safe to assume that the creator of an object instance is its user.
由于大型应用程序中组件的通信方式，所以假设对象实例的创建者就是它的用户并不总是安全的。
This helps control the number of user accounts and groups that can modify the instance, or any object within the instance.
这样有助于控制可以修改实例或者实例中任何对象的用户帐户和组的数量。
Method chaining USES return values from methods to relay instruction context, which in this case is the object instance making the first method invocation.
方法链接使用方法的返回值来中转指令上下文，在这种情况下是进行第一个方法调用的对象实例。
They are usually — but not always — called via an object instance using the object operator.
它们通常(但不总是)通过对象实例使用对象操作符来调用的。
Therefore, you must first assign a new business object instance to a business object variable before using it.
因此，在使用业务对象变量前，必须首先将新的业务对象实例赋值给它。
Using reflection techniques on static members of a type differs slightly from reflecting on instance members of an object.
在类型的静态成员上使用反射技术与在对象的实例成员上进行反射有一点小小的差别。
When the application needs a business object instance, it will actually receive an instance of the dynamic proxy class.
当应用程序需要业务对象实例时，它实际会接收到一个动态代理类的实例。
Accessing arrays, instance variables, and object references are not supported as of now.
目前不支持访问数组、实例变量和对象引用。
Registration identifies a creation delegate to call when a new instance of the object is required.
注册可以标识创建委托，以便在需要对象的新实例时调用。
Instance-based authorization, as the name implies, is about authorizing access to a specific instance of some object.
顾名思义，基于实例的授权就是将访问权限授予某个对象的特定实例。
This is unusual because it requires a developer to create an instance of an object just to access non-instance (static) methods and fields!
这种做法并不常见，因为需要开发人员创建仅用于访问非实例(静态)方法和字段的对象的实例。
The responsibility of calling the right methods on the right instance of an object rests on the user of a DLL.
获取正确对象的合适的方法的责任落在DLL的使用者的肩上。
Create an instance of File Object that points to the WebContent folder of the portlet project.
创建文件对象的一个实例，该对象指向portlet项目的WebContent文件夹。
When this happens, our new px_thaw method will create a Set::Object instance and place the contents of the Memento object in it.
当这个操作发生时，我们新的 px_thaw方法将创建Set::Object实例并把 Memento对象的内容放入其中。
First, note the "index_html" method; it is called to present an object instance, and it does so by building HTML.
首先，请注意“index_html”方法：它被调用来显示一个对象实例，这是通过构建HTML 完成的。
Instead, a new Rate business object instance automatically gets created and assigned to output1.
相反，会自动创建一个新的Rate业务对象实例并赋值给out put1。
The code in Listing 7 marshals the instance of DojoList (list object) into JSON.
清单7中的代码将DojoList(列表对象)的实例编组成JSON。
The summarize method is invoked via a Dictionary instance using the object operator.
summarize方法是通过Dictionary实例使用对象操作符调用的。
When XJConf encounters an element in the configuration file, it instantiates an App object instance.
当XJConf遇到配置文件中的元素时，它将对App对象实例进行实例化。
In addition, the class contains the ToXml method, which serializes the object instance to XML.
此外，这个类包含将对象实例系列化到Xml的ToXml方法。
In addition, the class contains the ToXml method, which serializes the object instance to XML.
此外，这个类包含将对象实例系列化到Xml的ToXml方法。
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