generics

简明释义

英[dʒəˈnɛrɪks]美[dʒəˈnɛrɪks]

n. 非专利药物；通用术语（generic 的复数）

英英释义

单词用法

同义词

反义词

例句

1.Note that the Generics must have a constraint on it.

注意在这里使用了泛型的约束。

2.Step now into the world of generics.

现在进入泛型的世界。

3.Generics information is stored in a new standard attribute: the signature attribute.

泛型信息存储在一个新的标准属性中：签名属性。

4.Using generics and annotations, support for lists of other types could be easily added.

通过使用泛型和标注，很容易添加对其他类型的列表的支持。

5.That can speed up a move into branded generics.

这可以加快涉足品牌仿制药。

6.Generics can help you resolve coding problems earlier in the development cycle.

泛型可以帮助您在开发周期的早期解决编码问题。

7.Listing 3 Implementing Factory using generics.

表3使用泛型实现工厂模式。

8.In programming, generics are used to create classes or methods that can operate on objects of various types.

在编程中，泛型用于创建可以对各种类型的对象进行操作的类或方法。

9.Many modern programming languages support generics to improve code reusability.

许多现代编程语言支持泛型以提高代码的重用性。

10.Using generics, you can write a single method that works with different data types.

使用泛型，你可以编写一个适用于不同数据类型的单一方法。

11.The concept of generics allows for type safety without sacrificing performance.

泛型的概念允许在不牺牲性能的情况下实现类型安全。

12.Java's generics feature helps prevent runtime errors by catching type mismatches at compile time.

Java的泛型特性通过在编译时捕获类型不匹配来帮助防止运行时错误。

作文

In the world of programming and software development, the term generics refers to a powerful feature that allows developers to write flexible and reusable code. By using generics, programmers can define classes, interfaces, and methods with a placeholder for the data type, which can be specified later when the code is used. This approach not only enhances code reusability but also improves type safety, as it enables the compiler to check for type errors at compile time rather than at runtime. For instance, consider a simple example of a stack data structure. If we were to implement a stack without generics, we might have to create separate classes for stacks of different data types, such as integers, strings, or custom objects. However, by utilizing generics, we can create a single stack class that can handle any data type. This means that we can push and pop elements of various types without needing to write duplicate code for each type. The advantages of using generics are manifold. Firstly, they promote code reusability, allowing developers to create more abstract and generalized solutions. This not only saves time but also reduces the chances of introducing bugs, as there is less duplicated code to maintain. Secondly, generics enhance type safety by ensuring that the operations performed on data types are valid. For example, if a stack is defined to hold integers, the compiler will prevent any attempt to push a string onto that stack, thereby avoiding potential runtime errors. Moreover, generics can lead to more readable and maintainable code. When a method or class is generic, it clearly indicates that it can operate on various data types, making it easier for other developers to understand its purpose and functionality. This clarity is especially important in large codebases where multiple developers may collaborate. However, while generics offer numerous benefits, they can also introduce complexity, particularly for those who are new to programming. Understanding how to effectively use generics requires a solid grasp of concepts like type parameters, bounds, and wildcards. Additionally, some programming languages have different implementations of generics, which can lead to confusion if a developer switches between languages. In conclusion, generics are an essential feature in modern programming that facilitate the creation of flexible, reusable, and type-safe code. By allowing developers to define classes and methods with type placeholders, generics not only streamline the coding process but also enhance the overall quality of the software. As technology continues to evolve, mastering generics will remain a crucial skill for software developers, enabling them to tackle increasingly complex challenges with ease. Ultimately, the effective use of generics can lead to more efficient, robust, and maintainable code, which is a goal every programmer strives to achieve.

在编程和软件开发的世界中，术语generics指的是一个强大的特性，它允许开发者编写灵活且可重用的代码。通过使用generics，程序员可以定义带有数据类型占位符的类、接口和方法，这种数据类型可以在代码使用时指定。这种方法不仅增强了代码的可重用性，还提高了类型安全性，因为它使编译器能够在编译时而不是运行时检查类型错误。 例如，考虑一个简单的栈数据结构的例子。如果我们要实现一个没有generics的栈，我们可能需要为不同数据类型的栈创建单独的类，比如整数、字符串或自定义对象。然而，通过利用generics，我们可以创建一个可以处理任何数据类型的单一栈类。这意味着我们可以推送和弹出各种类型的元素，而无需为每种类型编写重复的代码。 使用generics的优势是多方面的。首先，它们促进了代码的可重用性，使开发者能够创建更抽象和通用的解决方案。这不仅节省了时间，还减少了引入错误的机会，因为维护的重复代码更少。其次，generics通过确保对数据类型执行的操作是有效的，从而增强了类型安全性。例如，如果一个栈被定义为保存整数，则编译器将阻止任何尝试将字符串推入该栈的操作，从而避免潜在的运行时错误。 此外，generics还可以导致更易读和可维护的代码。当一个方法或类是泛型的时，它清楚地表明它可以操作各种数据类型，使其他开发者更容易理解其目的和功能。这种清晰度在大型代码库中尤其重要，因为多个开发者可能会协作。 然而，尽管generics提供了许多好处，但它们也可能引入复杂性，特别是对于那些新手程序员。有效使用generics需要对类型参数、边界和通配符等概念有扎实的理解。此外，一些编程语言对generics有不同的实现，这可能导致开发者在语言之间切换时感到困惑。 总之，generics是现代编程中的一个重要特性，它促进了灵活、可重用和类型安全代码的创建。通过允许开发者定义带有类型占位符的类和方法，generics不仅简化了编码过程，还提高了软件的整体质量。随着技术的不断发展，掌握generics将仍然是软件开发者的一项关键技能，使他们能够轻松应对日益复杂的挑战。最终，有效使用generics可以导致更高效、健壮和可维护的代码，这是每个程序员都努力追求的目标。