Java – is system. Java guaranteed Nanotime() returns a unique value?
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Java
I have a multithreaded Java program that creates hundreds of temporary files in seconds Put the file in / TMP and use system Nanotime() naming
Is the file name guaranteed to be unique?
Solution
No, there is no guarantee that every time you call system Nanotime() will return a unique value
Use file. Instead Createtempfile() or files createTempFile(). They are designed for this purpose only and generate unique file names for you
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