encapsulation

简明释义

英[ɪnˌkæpsjuˈleɪʃn]美[ɪnˌkæpsjuˈleɪʃn]

n. 封装；包装

复 数 e n c a p s u l a t i o n s

英英释义

单词用法

同义词

反义词

例句

1.Figure shows how encapsulation reduces complexity.

封装是如何减少复杂性的？

2.Chalk one up for good encapsulation techniques.

从良好封装技术获得一项好处。

3.Thus, using encapsulation allows both flexibility and standardization in your system.

这样，使用封装为您的系统提供了灵活性和标准化。

4.This improves both encapsulation and readability in many cases.

许多情况下，这改善了封装和可读性。

5.Among other problems, this would violate encapsulation.

在众多的问题当中，这个问题可能会破坏封装。

6.Encapsulation — hiding the internal data and methods.

封装——隐藏内部数据和方法。

7.In software development, encapsulation is used to restrict access to certain components of an object, promoting data hiding.

在软件开发中，封装用于限制对对象某些组件的访问，从而促进数据隐藏。

8.The concept of encapsulation in programming helps to bundle data and methods that operate on the data within a single unit.

编程中的封装概念有助于将数据和操作这些数据的方法打包在一个单一单元内。

9.Using encapsulation, developers can create classes that protect their properties from unintended interference.

通过使用封装，开发人员可以创建保护其属性免受意外干扰的类。

10.The encapsulation of the data ensures that it can only be accessed through defined interfaces.

数据的封装确保只能通过定义的接口进行访问。

11.In biology, encapsulation refers to the process where cells or organisms are surrounded by a protective layer.

在生物学中，封装指的是细胞或生物被保护层包围的过程。

作文

In the world of technology and computer science, the concept of encapsulation plays a vital role in how we design and implement software. Encapsulation refers to the bundling of data and the methods that operate on that data within a single unit, or class, in object-oriented programming. This principle not only helps in organizing code but also enhances security by restricting direct access to some of the object's components. By using encapsulation, developers can hide the internal state of an object and require all interaction to be performed through well-defined interfaces. This is analogous to a capsule that contains medicine; the outer shell protects the contents inside, ensuring that they are delivered in a controlled manner. The advantages of encapsulation are numerous. Firstly, it promotes modularity. When a class is encapsulated, it can be developed and tested independently from other classes, which simplifies debugging and maintenance. For instance, if a developer needs to update a method within a class, they can do so without worrying about affecting other parts of the program as long as the interface remains unchanged. Secondly, encapsulation enhances security. By restricting access to certain attributes and methods, it prevents unauthorized interference and misuse of the data. For example, consider a banking application where a user's balance should not be directly accessible. Instead, the application would provide methods to deposit or withdraw funds, thus controlling how the balance is modified. This ensures that the integrity of the data is maintained and reduces the risk of errors or malicious activities. Moreover, encapsulation aids in maintaining the integrity of the data by providing a clear structure for how data can be accessed and modified. This leads to cleaner and more understandable code, which is crucial in large projects where many developers are involved. When each class clearly defines its own data and the operations that can be performed on that data, it becomes easier for developers to collaborate and integrate their work. In addition to these benefits, encapsulation allows for flexibility and scalability in software development. As requirements change over time, developers can modify the internal workings of a class without altering the external interface. This means that new features can be added with minimal disruption to existing code, making it easier to adapt to changing needs. To illustrate the importance of encapsulation, consider a simple example of a car class in a software application. The car class might have attributes such as speed, fuel level, and engine status. By encapsulating these attributes, the class can provide methods like accelerate(), brake(), and refuel() that control how these attributes are accessed and modified. Users of the car class do not need to know how the speed is calculated or how the fuel level is managed; they simply interact with the provided methods. This not only makes the code cleaner but also protects the integrity of the car's state. In conclusion, encapsulation is a fundamental principle in object-oriented programming that offers numerous benefits, including modularity, security, data integrity, and flexibility. By understanding and applying encapsulation, developers can create robust and maintainable software systems. As technology continues to evolve, the importance of encapsulation will remain a cornerstone of effective software design, allowing for the creation of applications that are both efficient and easy to manage.

在技术和计算机科学的世界中，封装的概念在我们设计和实现软件的过程中起着至关重要的作用。封装是指将数据和操作这些数据的方法捆绑在一个单一的单位或类中，在面向对象编程中。这一原则不仅有助于组织代码，还通过限制对某些对象组件的直接访问来增强安全性。通过使用封装，开发人员可以隐藏对象的内部状态，并要求所有交互都通过明确定义的接口进行。这类似于一个包含药物的胶囊；外壳保护内部的内容，确保以受控的方式传递。 封装的优势有很多。首先，它促进了模块化。当一个类被封装时，它可以独立于其他类进行开发和测试，从而简化了调试和维护。例如，如果开发人员需要更新类中的一个方法，他们可以这样做，而不必担心影响程序的其他部分，只要接口保持不变。 其次，封装增强了安全性。通过限制对某些属性和方法的访问，它防止了对数据的未经授权的干扰和滥用。例如，考虑一个银行应用程序，其中用户的余额不应直接访问。相反，应用程序会提供存款或取款的方法，从而控制余额的修改。这确保了数据的完整性，并减少了错误或恶意活动的风险。 此外，封装通过提供明确的数据访问和修改结构来维护数据的完整性。这导致代码更清晰、更易于理解，这在大型项目中尤为重要，因为涉及到许多开发人员。当每个类清楚地定义自己的数据及其可以执行的操作时，开发人员之间的协作和工作整合就变得更加容易。 除了这些好处之外，封装还允许软件开发中的灵活性和可扩展性。随着时间的推移，需求变化，开发人员可以在不改变外部接口的情况下修改类的内部工作。这意味着可以最小化对现有代码的干扰来添加新功能，使适应变化的需求变得更加容易。 为了说明封装的重要性，考虑一个软件应用程序中的汽车类的简单示例。汽车类可能具有速度、燃油水平和发动机状态等属性。通过封装这些属性，该类可以提供加速（accelerate()）、刹车（brake()）和加油（refuel()）等方法，控制如何访问和修改这些属性。汽车类的用户无需知道速度是如何计算的或燃油水平是如何管理的；他们只需与提供的方法进行交互。这不仅使代码更简洁，而且保护了汽车状态的完整性。 总之，封装是面向对象编程中的一个基本原则，提供了许多好处，包括模块化、安全性、数据完整性和灵活性。通过理解和应用封装，开发人员可以创建强大且易于维护的软件系统。随着技术的不断发展，封装的重要性将继续作为有效软件设计的基石，允许创建高效且易于管理的应用程序。