The difference between / and // in java

In Java, single slash (/) and double slash (//) are used for comments, respectively: Single slash (/): line comment, which only affects this line of code. Double slash (//): Documentation comment that provides additional information about the Java element.

The difference between single slash (/) and double slash (//) in Java

In Java Use single slash (/) and double slash (//) to make two different comments:

Single slash (/)

• Use Make line comments
• Start with // and continue until the end of the line
• The compiler will ignore the comment part in the code

Example:

// 这是一个行注释
int x = 10;

Double slash (//)

## used as
• documentation comment
Starts with /
• * and ends with /
Contains additional documentation information for functions, classes, and other Java elements
The compiler ignores comments in the code

Example:

/**
 * 这是一个文档注释，用于描述方法的用法。
 *
 * @param x 输入参数
 * @return 方法的返回结果
 */
public int myMethod(int x) {
    return x + 1;
}

Summary:

• Single slash (/): is used for line comments and only affects one line of code.
• Double slash (//): Used for documentation comments, providing additional information about the Java element.

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