[Solved] Give standard input to program through files and take standard output to a file [closed]

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You can use OS redirection operators

java Test < inputFile > outputFile

then this 

public class Test {
    public static void main(String[] args) throws IOException {
        for(int i; (i = System.in.read()) != -1;) {
            System.out.write((byte)i);
        }
    }
}

will copy from inputFile to outputFile

7

solved Give standard input to program through files and take standard output to a file [closed]