A read-only file is any file with the read-only attribute. Read-only files can be opened and accessed but you will not be able to make changes to it. They can be deleted and moved. You can make a file read-only by using file.setReadOnly() method of File class. After using this method, you will not be able to write or edit into the file.
Here is the code:
The above program will make a the file read only
To make file read only file.setReadOnly(); method is used.
In the page you learned how to make a file read only.
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