initialization

简明释义

英[ɪˌnɪʃəlaɪˈzeɪʃn]美[ɪˌnɪʃələˈzeɪʃn]

n. [计] 初始化；赋初值

英英释义

单词用法

同义词

反义词

例句

1.Initialization follows declaration.

初始化紧接声明之后。

2.The platform calls this class to perform initialization and cleanup.

平台调用这个类来执行初始化和清理工作。

3.Initialization — Points in the initialization of classes and objects.

初始化(Initialization)——初始化类和对象时的点。

4.The JVM allocates the heap during initialization.

JVM在初始化的过程中分配堆。

5.This function performs a large amount of subsystem initialization.

这个函数执行了大量的子系统初始化操作。

6.In Figure 9 they're sorted by initialization order.

在图9 中，它们是按照初始化顺序排列的。

7.The final part of the initialization code is the camera setup.

初始化代码的最后一部分就是摄像机设置。

8.You would use this to run any extension initialization code.

您将使用它运行任何扩展初始化代码。

9.This error is thrown during the initialization phase of class loading.

这个错误在类装入的初始化阶段抛出。

10.Make sure to follow the instructions for initialization carefully.

确保仔细遵循初始化的说明。

11.The initialization of the database took longer than expected.

数据库的初始化花费的时间比预期长。

12.During the initialization phase, the system checks for any errors.

在初始化阶段，系统会检查是否有错误。

13.The software requires proper initialization before it can run smoothly.

软件在运行之前需要适当的初始化。

14.After initialization, the device will be ready for use.

在初始化之后，设备将准备好使用。

作文

In the world of computer science and programming, the concept of initialization plays a crucial role in ensuring that variables and data structures are set to a defined state before they are used. The term initialization refers to the process of assigning an initial value to a variable or setting up a data structure so that it is ready for use. This process is essential because uninitialized variables can lead to unpredictable behavior and bugs in software applications.When a programmer writes code, they often declare variables to store data. For instance, consider a simple program that calculates the sum of two numbers. Before performing any calculations, the programmer must ensure that the variables intended to hold the numbers are properly initialized. If the variables are not initialized, they might contain garbage values from memory, leading to incorrect results. Therefore, the first step in writing reliable code is to perform initialization.There are different ways to perform initialization. In many programming languages, such as Python or Java, a variable can be initialized at the time of declaration. For example, in Python, one can write:pythonnumber1 = 0number2 = 0Here, both `number1` and `number2` are initialized to zero. This practice ensures that the program starts with known values, making it easier to reason about its behavior.Moreover, initialization is not limited to primitive data types like integers or floats. It also applies to complex data structures like arrays, lists, and objects. For example, when creating an array in Java, you might initialize it as follows:javaint[] numbers = new int[5];This statement creates an array of integers with a size of five, and all elements in the array are automatically initialized to zero. This automatic initialization feature helps prevent errors that could arise from accessing uninitialized elements.In addition to basic initialization, there are also advanced techniques such as constructor methods in object-oriented programming. When an object is created from a class, the constructor is called to perform initialization tasks. This allows developers to set up necessary properties and states for their objects right from the moment of creation. For instance:javapublic class Circle { private double radius; public Circle(double r) { this.radius = r; }}In this example, the `Circle` class has a constructor that initializes the `radius` property whenever a new `Circle` object is instantiated. This guarantees that every `Circle` object has a valid radius, preventing potential runtime errors.Furthermore, understanding initialization is vital for debugging. When encountering issues in a program, one of the first things a developer should check is whether all variables have been correctly initialized. Many debugging tools provide features that allow programmers to inspect the state of variables at runtime, helping them identify if any have been left uninitialized.In conclusion, initialization is a fundamental concept in programming that ensures variables and data structures are prepared for use. By properly initializing variables, programmers can avoid unpredictable behaviors and create more robust applications. Whether through simple assignments or complex constructors, initialization is an essential practice that every programmer should master to enhance the reliability and maintainability of their code.

在计算机科学和编程的世界中，初始化的概念在确保变量和数据结构在使用之前被设置为定义状态方面发挥着至关重要的作用。术语初始化指的是将初始值分配给变量或设置数据结构，以便其准备好使用的过程。这个过程是必不可少的，因为未初始化的变量可能导致软件应用程序中的不可预测行为和错误。当程序员编写代码时，他们通常会声明变量来存储数据。例如，考虑一个简单的程序，它计算两个数字的总和。在执行任何计算之前，程序员必须确保用于保存数字的变量已正确初始化。如果变量未初始化，它们可能包含来自内存的垃圾值，从而导致不正确的结果。因此，编写可靠代码的第一步是执行初始化。执行初始化的方法有很多。在许多编程语言中，例如Python或Java，变量可以在声明时进行初始化。例如，在Python中，可以这样写：pythonnumber1 = 0number2 = 0在这里，`number1`和`number2`都被初始化为零。这种做法确保程序以已知的值开始，使得推理其行为变得更加容易。此外，初始化不仅限于整数或浮点数等基本数据类型。它还适用于复杂的数据结构，如数组、列表和对象。例如，在Java中创建数组时，可以这样初始化：javaint[] numbers = new int[5];这个语句创建了一个大小为五的整数数组，数组中的所有元素会自动初始化为零。这种自动初始化特性有助于防止访问未初始化元素时可能出现的错误。除了基本的初始化，还有一些高级技术，例如面向对象编程中的构造方法。当从类中创建对象时，会调用构造函数来执行初始化任务。这使得开发人员能够在对象创建的瞬间设置必要的属性和状态。例如：javapublic class Circle { private double radius; public Circle(double r) { this.radius = r; }}在这个例子中，`Circle`类有一个构造函数，每当实例化一个新的`Circle`对象时，它都会初始化`radius`属性。这保证了每个`Circle`对象都有一个有效的半径，从而防止潜在的运行时错误。此外，理解初始化对调试至关重要。当在程序中遇到问题时，开发人员首先应该检查所有变量是否已正确初始化。许多调试工具提供功能，允许程序员在运行时检查变量的状态，以帮助他们识别是否有变量未被初始化。总之，初始化是编程中的一个基本概念，确保变量和数据结构为使用做好准备。通过正确初始化变量，程序员可以避免不可预测的行为，并创建更强大的应用程序。无论是通过简单的赋值还是复杂的构造函数，初始化都是每个程序员应掌握的基本实践，以增强代码的可靠性和可维护性。