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public void bar(String fileName) throws IOException{ FileInputStream fileIn = new FileInputStream(fileName);
I have a very large dataset which I am currently writing out to a text file (IO). It is very s开发者_JAVA百科low and causing the system to chew up a lot of resources as there are 10\'s of thousands of
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How to prevent other classes changing the System.out? I would like to set the System.out PrintStream in App.main and make it a final so it can\'t be changed anymore form the other parts of the App. Is
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