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單項選擇題

Which constructs a DataOutputStream?()  

A. New dataInputStream(“in.txt”);
B. New dataInputStream(new file(“in.txt”));
C. New dataInputStream(new writer(“in.txt”));
D. New dataInputStream(new FileWriter(“in.txt”));
E. New dataInputStream(new InputStream(“in.txt”));
F. New dataInputStream(new FileInputStream(“in.txt”));

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