Create a temporary java.io.File from byte[]

java file bytearray

File tempFile = File.createTempFile(prefix, suffix, null);FileOutputStream fos = new FileOutputStream(tempFile);fos.write(byteArray);

Check out related docs:

java file bytearray

Reading All Bytes or Lines from a File

Path file = ...;byte[] fileArray;fileArray = Files.readAllBytes(file);

Writing All Bytes or Lines to a File

Path file = ...;byte[] buf = ...;Files.write(file, buf);

java file bytearray

You're in luck.

File.createTempFile(String prefix, String suffix)

Creates a file in the default temp directory of the OS, where it's guaranteed you can write to.

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