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![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Take byte as an example. The range specified by Java is -128~127, but if you think of it as an unsigned number, the range is 0~255.
Obviously -128 < 127, but when compared as an unsigned number, -128 (will be regarded as 128) is greater than 127.