ActMacro打开类并添加它们。
您可能只扩展一个类并继承其方法实现。
You may only extend a single class and inherit its method implementations.
第三部分将继续检测应用程序类并测试该应用程序。
The third part continues to examine the application classes and tests the application.
清单11包含必要的类并设置了DataAPI凭证。
Listing 11 includes the required classes and sets Data API credentials.
运行清单6中所示的命令来编译系统类并创建WAR文件。
Run the command shown in Listing 6 to compile the system classes and create the WAR file.
程序的第一部分引用几个Perl类并初始化几个变量
The first part of the program pulls in a few Perl classes and initializes variables
这些工具帮助开发人员找到所需类并使用可视化来方便查看。
These tools help developers find classes they need and provide insight using visualizations.
相反，我创建类并快速在类中输入私有变量，如清单1所示。
Instead, I create the class and quickly type the private variables I'll be using in the class, like those in Listing 1.
本文章将研究这三个类并让你理解如何及何时应该使用哪一个类。
This article examines the three timer classes and helps you gain an understanding of how and when each class should be used.
如果一切正常，那么就可以实例化这个类并运行其main方法了。
If all goes well, it is time to instantiate the class and run its main method.
Hibernate用这个列自动初始化对应的类并相应进行填充。
Hibernate USES this column to automatically instantiate the appropriate class and populate it accordingly.
JVM验证类装入器中所有的类并确保应用程序不会执行任何危险操作。
The JVM verifies all classes in class loaders and ensures that applications do not perform any dangerous operations.
尽管名称空间能够帮助您组织类并避免命名约定，但其缺点是名称过长。
Although namespaces help you organize classes and avoid naming conventions, they do have the downside of longer names.
然后您创建一个辅助类，该类扩展了默认的辅助类并超越了默认的方法。
Then you create a helper class that extends the default helper class and overrides the default method.
Blue甚至允许您动态地扩展类并收缩类(即移除已扩展的类的属性)。
Blue even allows you to extend classes dynamically and contract them (that is, remove class attributes from an extended class).
选择完之后，按Finish创建可视类并使用VisualEditor打开它。
After you make your selections, select Finish to create the visual class and open it using the visual Editor.
只需让定制的异常类扩展exception类并实现IsSerializable接口。
All you need to do is have the custom exception class extend the exception class and implement the IsSerializable interface.
通过引入调度类并通过增强调度统计信息来简化调试，这个新的调度程序进一步扩展了调度功能。
The new scheduler extends scheduling capabilities by introducing scheduling classes and also simplifies debugging by improving schedule statistics.
您只需实例化类并调用想要的方法，所有的编码处理和SOAP消息的生成都从代理类处理。
One needs only to instantiate the class and invoke a desired method, and all the encoding handling and the generation of SOAP messages is handled from the proxy class.
这和创建一个搜索类并复制和粘贴搜索代码相比，并不完全一样简单(就像上面的代码所体现的)。
It's not exactly as simple as creating a search class and copying and pasting the search code (as the code above implies).
通常，通过查找超类并确保存在匹配的超级构造函数，类型检查器确保这些超级构造函数调用会成功。
Normally, the type checker ensures that these super-constructor calls will succeed by looking up the superclass and making sure that a matching super-constructor exists.
然后，对于传递给compile方法的所有源代码，加载产生的class类并放在结果map中。
Then, for each source passed to the compile method, the resulting Class is loaded and placed in the result Map.
估计您每天能编写一个数据库访问类并完成其单元测试，因此，150 个表要用 150天的时间。
You estimate a day to write each database access class and unit test it, so 150 tables at one table per day is 150 days.
开源类允许您重新打开现存类并通过在类中添加、删除或修改方法对其进行修改 —一个强大但危险的机制。
Open classes allow you to reopen existing classes and make changes to them by adding, removing, or changing methods in the class — a mechanism that's both powerful and dangerous.
必须通过实现接口或者扩展DefaultHandler类并根据需要重写它的方法，创建这些事件的handler。
A handler has to be created for these events by either implementing an interface or extending the DefaultHandler class and overriding its methods as needed.
用户可以控制搜索到的特性和类，并对结果进行排序(支持通配符)。
The user can control the searched features and classes and the ranking of the results (wildcards are supported).
您将分析安全电子邮件服务存根类中的每个类，并了解如何对其进行增强，以提供所需的安全功能。
You will take each individual class among the stub classes of the secure email service and learn how to enhance it to provide required security features.
这本书将美国不同的烹饪分门别类，并包含大量地方特色的饮食传统。
The book catalogues the diversity of cuisines within America and an abundance of local food traditions.
团队把服务器上的所有用户分为前面的四类，并公布推出新限额系统的时间表。
The team classified all users on the servers into the previous categories and communicated the timeline for rolling out the new quota system.
必须创建子类(即，创建继承它的类)，并创建该子类的实例。
You must subclass (that is, create a class that extends it) and create an instance of the child class.
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