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What is the English translation for comment statements in C++?

赤脚天使 提问者

发布于 2024-07-16

问题补充

C++ comment statements are used to add explanatory notes or disable specific lines of code. They help developers understand the code better and are not executed by the compiler. The two types of comments in C++ are single-line comments and multi-line comments.

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lijunw 回答者

回答于 2025-09-03

English Translation for Comment Statements in C++

In C++, there are two main ways to write comments (explanatory notes for humans that aren't executed by the compiler):

✅ Single-line comments

Use // → Everything after these double slashes until the end of the line is ignored by the compiler.
Example: // This is a single-line comment

✅ Multi-line comments

Enclose text between /* and */ → Can span multiple lines.
Example:
cpp /* This is a multi-line comment covering several lines */

Both types serve exactly the same purpose: adding readable documentation/annotations to your code without affecting its functionality. Programmers commonly use them to explain logic, mark temporary TODOs, or disable code temporarily during testing.

十六 回答者

回答于 2024-09-17

In C++, comments are used to provide explanations or notes in the code. They are not executed by the compiler and are ignored during program execution. There are two types of comments in C++:

  1. Single-line comments: These start with two forward slashes (//) and continue until the end of the line.
  2. Multi-line comments: These start with a /* and end with a */. They can span multiple lines.

Here's an example of both types of comments in C++:

#include <iostream>

int main() {
    // This is a single-line comment explaining the next line
    std::cout << "Hello, World!" << std::endl; // Another single-line comment

    /*
    This is a multi-line comment explaining the following block of code.
    It can span multiple lines without needing to use // at the beginning of each line.
    */
    int x = 5;
    int y = 10;
    int sum = x + y;
    std::cout << "The sum of x and y is: " << sum << std::endl;

    return 0;
}

Remember that comments are meant for human readers and should be used to explain complex sections of code or provide additional information about the purpose of certain parts of the program.

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