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Answer:

Yes.

A Java int uses patterns of 32 bits to represent integers. The exact pattern contained in an int can be written to four bytes of a binary file.


OutputStream

Output Streams

OutputStream is an abstract class from which all byte-oriented output streams descend. Its descendant classes are used for binary output. These streams write groups of bytes to output destinations.

A FileOutputStream connects an output stream of bytes to a file. It is has methods for writing single bytes or an array of bytes to a file, and some other methods. These methods are not very useful for us since you have to deal with the individual bytes of a data type.

A DataOuputStream can be connected to a FileOutputStream to write groups of bytes to a stream.

Use DataOuputStream to send data of spectific types to a stream, and use FileOutputStream to send that stream to a disk file. (See the example program on the next page.)


QUESTION 3:

Does FileOutputStream itself provide a way to write an int to a disk?

Does DataOutputStream provide a way to write an int to a stream?


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