java - 关于File的问题？

Answer 1

It feels like it’s a permissions issue. If the operating system allowed files in any directory to be read so casually, the world would be in chaos. You should check the read and write permissions first.

Right-click on the image directory or ss.txt and set the read and write permissions to everyone.

Answer 2

Look for Chinese characters in the string...

Answer 3

I suggest you try to reverse the slashes. Are you sure the suffix is ​​correct?

Answer 4

Put the file in the current project directory.