Which of these classes defined in java.io and used for file-handling are abstract?A. InputStreamB. PrintStreamC. ReaderD. FileInputStreamE. FileWriter

Which of these classes defined in java.io and used for file-handling a

1.	Which of these classes defined in java.io and used for file-handling are abstract?A. InputStreamB. PrintStreamC. ReaderD. FileInputStreamE. FileWriter
A.	nly A
B.	nly C
C.	and C
D.	and D
E.	, B and E
Answer» D. and D

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Which of these classes defined in java.io and used for file-handling are abstract?A. InputStreamB. PrintStreamC. ReaderD. FileInputStreamE. FileWriter

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