last-in first-out stack

简明释义

后进先出栈

英英释义

例句

1.The undo feature in text editors utilizes a last-in first-out stack 后进先出栈 to keep track of changes.

文本编辑器中的撤销功能利用了一个后进先出栈 last-in first-out stack 来跟踪更改。

2.In data structures, a last-in first-out stack 后进先出栈 can be implemented using arrays or linked lists.

在数据结构中，后进先出栈 last-in first-out stack 可以使用数组或链表来实现。

3.In programming, a last-in first-out stack 后进先出栈 is often used for function calls.

在编程中，后进先出栈 last-in first-out stack 常用于函数调用。

4.The browser history is managed using a last-in first-out stack 后进先出栈, allowing users to go back to the most recent page easily.

浏览器历史记录使用一个后进先出栈 last-in first-out stack 来管理，使用户可以轻松返回到最近的页面。

5.When you place items on a shelf, the last item you put on will be the first one you take off, just like a last-in first-out stack 后进先出栈.

当你把物品放在架子上时，最后放上的物品将是第一个被取走的，就像一个后进先出栈 last-in first-out stack。

作文

In the world of computer science, data structures play a vital role in organizing and managing information efficiently. One of the most fundamental data structures is the stack, which operates on a specific principle known as last-in first-out stack. This term refers to a method of data management where the last element added to the stack is the first one to be removed. Understanding this concept is crucial for anyone looking to delve deeper into programming and algorithm design.The last-in first-out stack is often visualized as a stack of plates. Imagine a stack of plates where you can only add or remove the top plate. When you place a new plate on the stack, it goes on top of the existing plates. Conversely, when you want to take a plate off the stack, you can only take the top one. This behavior exemplifies the LIFO (Last In, First Out) principle, highlighting that the most recently added item is the first to be accessed.This principle has various applications in computer science. For instance, in programming languages, function calls are managed using a last-in first-out stack. When a function is called, its context is pushed onto the call stack. Once the function execution is complete, its context is popped off the stack, returning control to the previous function. This mechanism ensures that functions execute in the correct order and helps manage memory efficiently.Another significant application of the last-in first-out stack is in undo mechanisms in software applications. When a user performs actions, each action is pushed onto a stack. If the user decides to undo an action, the most recent action is popped from the stack and reversed. This functionality enhances user experience by allowing users to correct mistakes easily.Moreover, the last-in first-out stack is instrumental in parsing expressions and managing syntax in compilers. When compilers read code, they often use stacks to keep track of operators and operands. By following the LIFO principle, compilers can ensure that operations are performed in the correct order, adhering to the rules of precedence.Despite its advantages, the last-in first-out stack also has limitations. For example, since it only allows access to the top element, retrieving elements deeper in the stack requires popping all elements above it. This can lead to inefficiencies if not managed properly. Therefore, understanding when to use a stack is essential for optimizing performance in software development.In conclusion, the last-in first-out stack is a fundamental concept in computer science that underpins many critical operations in programming and data management. Its LIFO nature provides an efficient way to handle data but also comes with certain limitations. By mastering this concept, programmers can enhance their coding skills and develop more robust applications. As technology continues to evolve, the importance of understanding data structures like the last-in first-out stack will remain paramount for aspiring computer scientists and software developers alike.

在计算机科学的世界中，数据结构在有效组织和管理信息方面发挥着至关重要的作用。其中最基本的数据结构之一是栈，它基于一种特定的原则，即后进先出栈。这个术语指的是一种数据管理方法，其中最后添加到栈中的元素是第一个被移除的元素。理解这个概念对任何想深入编程和算法设计的人来说都是至关重要的。后进先出栈通常被形象化为一堆盘子。想象一下，一堆盘子，你只能添加或移除顶部的盘子。当你将新的盘子放在堆上时，它会放在现有盘子的顶部。相反，当你想从堆中取出一个盘子时，你只能取出顶部的那个。这个行为很好地体现了LIFO（后进先出）原则，突显出最近添加的项目是第一个被访问的。这个原则在计算机科学中有各种应用。例如，在编程语言中，函数调用是通过使用后进先出栈来管理的。当调用一个函数时，它的上下文被推入调用栈。一旦函数执行完成，它的上下文就会从栈中弹出，将控制权返回给上一个函数。这个机制确保了函数以正确的顺序执行，并有助于有效管理内存。后进先出栈的另一个重要应用是在软件应用程序中的撤销机制。当用户执行操作时，每个操作都会被推入一个栈中。如果用户决定撤销一个操作，最近的操作将从栈中弹出并被逆转。这种功能通过允许用户轻松纠正错误来增强用户体验。此外，后进先出栈在解析表达式和管理编译器中的语法方面也起着重要作用。当编译器读取代码时，它们通常使用栈来跟踪操作符和操作数。通过遵循LIFO原则，编译器可以确保按照正确的顺序执行操作，遵循优先级规则。尽管有其优势，后进先出栈也有局限性。例如，由于它只允许访问顶部元素，因此要检索栈中更深处的元素需要弹出所有位于其上方的元素。如果管理不当，这可能会导致效率低下。因此，了解何时使用栈对于优化软件开发中的性能至关重要。总之，后进先出栈是计算机科学中的一个基本概念，它支撑着编程和数据管理中的许多关键操作。它的LIFO特性提供了一种高效处理数据的方法，但也伴随着某些局限性。通过掌握这一概念，程序员可以提升他们的编码技能，开发出更强大的应用程序。随着技术的不断发展，理解像后进先出栈这样的数据结构的重要性将对有志于成为计算机科学家和软件开发者的人们保持重要。