The FileInputStream and FileOutputStream classes contains a finalizer method which will cause garbage collection pauses. The FileReader and FileWriter constructors instantiate FileInputStream and FileOutputStream, again causing garbage collection issues while finalizer methods are called.
- Use
Files.newInputStream(Paths.get(fileName)) instead of new
FileInputStream(fileName).
-
Use
Files.newOutputStream(Paths.get(fileName)) instead of new FileOutputStream(fileName).
-
Use
Files.newBufferedReader(Paths.get(fileName)) instead of new FileReader(fileName).
-
Use
Files.newBufferedWriter(Paths.get(fileName)) instead of new FileWriter(fileName).
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