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单选题
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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