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”））；
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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