degree of coupling

简明释义

耦合度

英英释义

例句

1.A low degree of coupling allows for easier testing and integration of components.

低耦合度使得组件的测试和集成更容易。

2.The degree of coupling in this software architecture is quite high, making it difficult to maintain.

这个软件架构中的耦合度相当高，使得维护变得困难。

3.In object-oriented design, we aim for a lower degree of coupling to enhance code reusability.

在面向对象设计中，我们追求较低的耦合度以增强代码的重用性。

4.We need to reduce the degree of coupling between these two modules for better scalability.

我们需要降低这两个模块之间的耦合度以提高可扩展性。

5.The degree of coupling affects how changes in one part of the system impact others.

在系统中，一个部分的变化对其他部分的影响取决于耦合度。

作文

In the field of software engineering, the concept of degree of coupling is crucial for understanding how different components of a system interact with each other. Coupling refers to the level of interdependence between software modules; it indicates how closely connected two or more modules are. A high degree of coupling means that a change in one module is likely to necessitate changes in another. Conversely, low coupling suggests that modules can operate independently, which is often desirable in software design.To illustrate this concept, consider a simple application that consists of several modules: a user interface, a database handler, and a business logic layer. If these modules are highly coupled, any modification in the user interface might require adjustments in the database handler and the business logic layer. This situation can lead to increased maintenance costs and a higher risk of introducing bugs when changes are made. Therefore, software engineers strive for a low degree of coupling, allowing each module to function autonomously while still communicating effectively when necessary.One common strategy to achieve low coupling is through the use of interfaces and abstract classes. By defining clear boundaries and contracts between modules, developers can ensure that changes in one module do not ripple through the entire system. For instance, if the database handler is modified, as long as it adheres to the defined interface, the user interface and business logic layer will remain unaffected. This approach not only enhances the maintainability of the code but also makes it easier to test individual components in isolation.Moreover, the degree of coupling has implications beyond just maintenance. It also affects the scalability of a system. In a highly coupled system, scaling up might involve significant rework due to the interconnected nature of the modules. On the other hand, with low coupling, developers can add new features or services without overhauling existing components. This flexibility is particularly important in today’s fast-paced development environments, where requirements can change rapidly.It's also worth noting that while low coupling is generally preferable, there is a balance to be struck. An extremely low degree of coupling can lead to excessive complexity, as too many interfaces and abstractions may hinder the clarity of the code. Therefore, developers must find an optimal level of coupling that allows for both independence and effective communication among modules.In conclusion, the degree of coupling is a fundamental concept in software design that significantly influences the maintainability, scalability, and overall quality of a software system. By striving for low coupling through thoughtful design practices, developers can create systems that are easier to manage and evolve over time. Understanding and applying this principle is essential for anyone involved in software development, as it lays the groundwork for building robust and flexible applications.

在软件工程领域，耦合度的概念对于理解系统中不同组件之间的相互作用至关重要。耦合指的是软件模块之间相互依赖的程度；它表明两个或多个模块的连接程度。高的耦合度意味着一个模块的变化很可能需要另一个模块的变化。相反，低耦合则表明模块可以独立运行，这在软件设计中通常是可取的。为了说明这一概念，可以考虑一个由几个模块组成的简单应用程序：用户界面、数据库处理程序和业务逻辑层。如果这些模块高度耦合，那么用户界面的任何修改可能需要对数据库处理程序和业务逻辑层进行调整。这种情况可能导致维护成本增加，并且在进行更改时引入错误的风险也会增加。因此，软件工程师努力实现低的耦合度，使每个模块能够自主运作，同时在必要时有效沟通。实现低耦合的一种常见策略是使用接口和抽象类。通过为模块定义明确的边界和契约，开发人员可以确保一个模块的更改不会波及整个系统。例如，如果数据库处理程序被修改，只要它遵循定义的接口，用户界面和业务逻辑层将保持不受影响。这种方法不仅增强了代码的可维护性，还使得在隔离的情况下测试各个组件变得更加容易。此外，耦合度还对系统的可扩展性产生影响。在高度耦合的系统中，扩展可能涉及大量的重构，因为模块之间的相互关联性。而在低耦合的情况下，开发人员可以在不彻底改变现有组件的情况下添加新功能或服务。这种灵活性在当今快速发展的开发环境中尤为重要，因为需求可能会迅速变化。同样值得注意的是，虽然低耦合通常是首选，但必须找到一个平衡点。过低的耦合度可能导致过度复杂，因为过多的接口和抽象可能会妨碍代码的清晰性。因此，开发人员必须找到一种最佳的耦合水平，使模块之间既能独立又能有效沟通。总之，耦合度是软件设计中的一个基本概念，对软件系统的可维护性、可扩展性和整体质量有着重要影响。通过努力实现低耦合，采用深思熟虑的设计实践，开发人员可以创建更加易于管理和演变的系统。理解并应用这一原则对于任何参与软件开发的人来说都是必不可少的，因为它为构建稳健而灵活的应用程序奠定了基础。