Java confuses me more than 1 multi-week problem, I hope everyone can solve me!

xiaoxiao2021-03-06  62

I want to use Java to get the size of the network file.

For example, I want to know the size of the next A.rar file in this website. Address, for example:

http://www.web.com/a.rar

How do I get the specific size of this file with Java? Please help you!

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