Introduction

This is Qiita's first post.

environment

java1.8.0_221

Thing you want to do

Suppose you are running C: \ Users \ Miyayu \ IDEA \ example \ example.jar. I want to retrieve C: \ Users \ Miyayu \ IDEA \ example (String type).

code

FileSystems.getDefault().getPath("").toAbsolutePath().toString()

only this! Isn't it easy?

If you want to know the absolute path of the specified file

I want to know the absolute path of . \ expdir \ hoge.json

FileSystems.getDefault().getPath("expdir","hoge.json").toAbsolutePath().toString()

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