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Which of these classes defined in java.io and used for file-handling are abstract?
A. InputStream
B. PrintStream
C. Reader
D. FileInputStream
E. FileWriter

A. Only A

B. Only C

C. A and C

D. B and D

E. A, B and E

Answer: Option C


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Comments ( 1 )

  1. San24 Blogger
    San24 Blogger :
    3 years ago

    Explain please

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