As before, create an interface.
与前面一样，创建一个接口。
An interface is like a contract.
接口与合同类似。
Yes, it is a class, not an interface.
是的，它是一个类，而不是一个接口。
An individual operation of an interface.
一个界面的所有单独操作。
An interface is worth a thousand pictures.
一个界面胜过上千图片。
Create an interface exactly like Figure 17.
创建一个与图17确切相似的界面。
For an individual operation of an interface.
用于某个接口的单个操作。
This is obviously an interface unique to Tomcat.
这显然是 Tomcat特有的一个接口。
There are two ways to create an interface map.
存在两种创建接口映射的方法。
There are several ways to create an interface.
有多种创建接口的方式。
The S3Service object is actually an interface type.
S3Service对象实际上是一个接口类型。
First, create an interface that will use attachments.
首先，创建使用附件的接口。
Until now we didn't really define what an interface was.
至今我们仍然没有真正定义一个接口究竟是什么。
The class can be either an interface or a concrete class.
这个类既可以是个接口，也可以是个明确的类。
You declare an interface with the interface keyword.
用interface关键字声明接口。
Step 1: Create an interface for the compensation service.
步骤1：创建补偿服务的接口。
The only problem is that Type is an interface with no methods.
惟一的问题是Type是一个没有方法的接口。
A better way is to create an interface that defines the events.
一种比较好的方法是创建一个定义事件的接口。
The system may include a processor, a memory, and an interface.
该系统将包含一个处理器、一个存储器和一个操作界面。
Adopting such an interface will simplify future code development.
采用这样一个接口将简化以后的代码开发。
An object that codifies a protocol is known as an interface.
对协议进行系统化的对象被称为接口(interface)。
An interface will usually consist of more than one service signature.
一个接口通常由不止一个的服务签名组成。
An interface to capture baseline data (that is, perform the "reset").
用于捕捉基线数据(即执行“重置”)的接口。
They are really easy to test - it's just class with an interface.
他们非常容易测试-因为EJB就是一些类和接口。
You can start using any surface, any wall around you, as an interface.
你可以用任何表面或墙壁，当成界面。
What was missing was an interface device to move the objects about.
但是它缺少一个接口装置来移动物体。
A role becomes a business actor, or a business worker with an interface.
角色变为业务参与者或者拥有某个界面的业务工作者。
An interface that is simple for one user might not be simple for another.
一个界面可能对于某个用户而言很简单，但对于另一个用户而言可能并不尽然。
If classes guarantee an interface, you must be able to guarantee a class.
如果类保证了接口，您必须能够保证类。
The first principle is: "Program to an interface, not an implementation."
第一条是：“面向接口编程，而非面向实现编程”。
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