Which of the following is true about FileInputStream and FileOutputStreamA. FileInputStream is a subclass of FileOutputStreamB. FileOutputStream is a subclass of FileInputStreamC. FileInputStream and FileOutputStream can be chained together to provide rawdata input and output to a fileD. FileInputStream and FileOutputStream can not be chained togethe
Question
Which of the following is true about FileInputStream and FileOutputStreamA. FileInputStream is a subclass of FileOutputStreamB. FileOutputStream is a subclass of FileInputStreamC. FileInputStream and FileOutputStream can be chained together to provide rawdata input and output to a fileD. FileInputStream and FileOutputStream can not be chained togethe
Solution
C. FileInputStream and FileOutputStream can be chained together to provide raw data input and output to a file.
Explanation:
A. FileInputStream is not a subclass of FileOutputStream. They are separate classes in Java that are used for reading from and writing to a file, respectively.
B. FileOutputStream is not a subclass of FileInputStream. As mentioned above, they are separate classes with distinct purposes.
C. FileInputStream and FileOutputStream can indeed be chained together to provide raw data input and output to a file. This is often done using decorators in Java, which allow you to add functionality to an object without modifying its code.
D. As explained in option C, FileInputStream and FileOutputStream can be chained together. Therefore, this statement is false.
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Which of the following is true about DataInputStream and BufferedInputStreamA. DataInputStream is a subclass of BufferedInputStreamB. BufferedInputStream is a subclass of DataInputStreamC. DataInputStream can be chained to BufferedInputStream to provide formatteddata inputD. BufferedInputStream can be chained to DataInputStream to provide buffering
What is the purpose of the DataInputStream class in Java?Question 4Answera.To read primitive data types from a fileb.To read text from a character-based input streamc.To read serialized objects from a filed.To read binary data from a file
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