TINA: I don't need a class. I can sing. My mother says I sound great.
蒂娜：我不需要上歌唱班，我会唱歌，我妈妈说我唱的很好。
Once you have the object represented in a class, you next need a class to manage it.
在一个类中表示对象后，接着还需要一个类来管理该对象。
To start, you need a class representing cells in the table, as shown in Listing 3
开始之前，需要一个类来表示表格中的单元格，如清单3 的示
If I need a class that does two things, I write two classe and a small controller class that calls them.
如果我需要一个做两件事情的类，我会写两个类和一个小的控制类来调用它们。
To access the database from the web browser, you need a class that makes use of the driver.php script through Ajax.
要从web浏览器访问数据库，需要一个通过Ajax利用driver. php脚本的类。
When you create a domains specialization, the new elements still need a class attribute, but should start with a "+" instead of a "-".
创建领域专门化时，新元素仍然需要class属性，但是应该以“+”而不是“-”开始。
And on the flip side, if you really think you need a class or a gym to work out, but you straight-up can't afford it, this can lead you to do exercise altogether.
另一方面，如果你真的觉得需要上课或者去健身房才能锻炼，但你又去不起，下列方法可以让你进行所有项目的锻炼。
When you have attributes in a class, you need to be able to initialize these attributes with some initial values.
当您在一个类中拥有一定的属性时，您应该能够利用一些初始值来初始化这些属性。
In the medium term, middle-class workers may need a lot of help adjusting.
在发展中期，中产阶级劳动者可能需要很多帮助来调整。
But in the medium term, middle-class workers may need a lot of help adjusting.
但在发展中期，中产阶级劳动者可能需要大量帮助来进行调整。
I don't think I need to draw any echoes, your reading assignment for the next class; it has a diagram that shows this very clearly.
我认为我不需要再讲一次你们下节课的阅读作业；有一个图表已经说明地非常清楚了。
These students need to build skills and knowledge during college if they are to use their degrees as a stepping-stone to middle-class mobility.
如果这些学生想把学位作为进入中产阶级的垫脚石，那么他们需要在大学期间积累技能和知识。
Some people bring along a lot of accessories like extra lenses, but there's really no need for this class.
有些人会带很多配件，比如额外的镜片，但对于这门课来说真的没有必要。
Partly because the classes usually do more than you actually need, they impose more overhead than a class designed for one purpose only.
其中一部分是因为类能做的超出了您真正需要的，与只为一种用途设计的类相比，它们会产生更多的开销。
On the other hand, a calling class may need temporary permissions to complete an operation in another class that has those permissions.
在另一方面，调用类可能需要临时许可权来完成另一个拥有那些许可权的类中的操作。
With the form taken care of, we need a utility class to create and sign policy documents.
为了保护这个表单，我们需要使用一个工具类来创建策略文档并签名。
An anonymous class is a kind of syntactic shorthand that lets you instantiate a class implementing an abstract class or interface where you need it, without having to explicitly give it a class name.
匿名类是一种语法速写标记，使您能够在需要实现某个抽象类或者接口的地方创建一个类的实例，而不需要显式提供类的名称。
In the classical way when a software module (class, framework,...) need some other module, it initializes and holds a direct reference to it.
在传统方式里，当一个软件模块(类、框架…)需要一些其他模块，他将实现并且保持对该模块的一个直接引用。
However, I do not believe that there is a need to make class attendance mandatory at the university level.
然而我认为，到了大学阶段，就没有必要强制规定学生上课一定要出席。
Getting started one on one with a skilled instructor will give you the confidence you need to then go to a public class.
从一个经验丰富的导师开始，他将会给你自信，也学慢慢的呢就愿意去公共课程了。
If your table name is compatible with the naming conventions, then you don't even need to define a model class to map it to.
如果表格的名字与命名规则是一致的，那你就不用定义模型类来映射了。
A trivial subclass fills the need of having a class with a unique name and leaves all the actual handling to be common.
子类使用惟一的类名，并且使实际的处理具有通用性。
You need to define a class of type EJSJDBCPersister for the database tables you will use.
您需要为将要使用的数据库表定义一个EJSJDBCPersister类型的类。
Next, you need to add a keyword to the class, because your extension will only work on classes that have a keyword defined.
接下来，您需要向类添加一个关键字，因为您的扩展，只会处理那些有一个已定义关键字的类。
Therefore, you still need a utility class if you want to add application-specific information to the events.
因此，如果您想将应用程序的特定信息添加到事件中那么仍旧需要工具类。
In certain situations most of the methods in a class need to carry an annotation (such as the one in Version 4).
在某些情况下，类中的大多数方法需要携带注释(如版本4中所示)。
Write tests in a "just-in-time" fashion, when you find the need to modify a class that doesn't have good (or any) tests.
当您发现有必要对一个未经很好测试(或者根本就没有测试)的类进行修改时，请“随时”编写测试。
Using these capabilities and similar features, you can find just about everything you need for quickly introspecting on a class or object.
使用这些功能及类似的特性几乎可以找到在类或对象上进行快速自检所需的一切。
Using these capabilities and similar features, you can find just about everything you need for quickly introspecting on a class or object.
使用这些功能及类似的特性几乎可以找到在类或对象上进行快速自检所需的一切。
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