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快速格式化美化Java代码,统一缩进与换行风格,输出整洁源码。

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Professionally compare differences between two texts or code snippets. Highlights additions, deletions, and modifications to assist with code review, document merging, and version control.

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Automatically convert JSON strings into standard Java POJO class code for API integration, data modeling, and other development scenarios.

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Convert RGB and HEX color codes online. Get accurate color conversions for designers and developers.

HTML to UBB Converter | Free UBB to HTML Code Tool
Instantly convert between HTML and UBB code. Perfect for forums, blogs, and cross-platform publishing to ensure formatting compatibility.

Code Compare
Professionally compare differences between two texts or code snippets. Highlights additions, deletions, and modifications to assist with code review, document merging, and version control.

JSON to Java POJO Generator
Automatically convert JSON strings into standard Java POJO class code for API integration, data modeling, and other development scenarios.

RGB to HEX Color Converter
Convert RGB and HEX color codes online. Get accurate color conversions for designers and developers.

HTML to UBB Converter | Free UBB to HTML Code Tool
Instantly convert between HTML and UBB code. Perfect for forums, blogs, and cross-platform publishing to ensure formatting compatibility.

JavaScript Events Reference Table & Compatibility List
An online reference guide for front-end developers to quickly look up JavaScript event names, categories, and browser compatibility.
编写Java代码时,缩进混乱、换行不一致会严重影响可读性和团队协作。Java代码格式化美化工具能够自动分析Java源代码的语法结构,依据可配置的缩进规则与换行策略,对代码进行重新排版,输出统一、整洁、符合编码规范的格式化结果。它通过词法解析识别关键字、括号与代码块,并在不改变代码逻辑的前提下,统一缩进(支持空格或制表符)、调整大括号位置、清理行尾空白,让杂乱代码秒变工整。
示例:
输入:public class Hello{public static void main(String[]args){System.out.println("hello");}}
输出:
public class Hello {
public static void main(String[] args) {
System.out.println("hello");
}
}
本工具适用于语法正确的Java代码。对于语法错误或未闭合的括号,可能导致格式化结果异常。建议先确保代码编译通过再使用。为保护代码安全,所有处理均在浏览器本地完成,不上传服务器。文件大小较大时,请耐心等待解析。如遇特殊格式无法满意,可尝试调整缩进宽度。
格式化规则可参考Google Java Style Guide或Sun Code Conventions。保持一致的缩进(通常4个空格)和换行有助于代码审查。如果在IDE外部使用,可配合版本控制系统的pre-commit钩子自动格式化。以下为常见缩进宽度示例:缩进4空格,类体、方法体、控制流块各缩进一级,大括号另起一行或跟随,本工具采用大括号不换行风格。对于链式调用,可手工换行后再次格式化以获得理想效果。