Assume We Have a RandomAccessFile Object, File, Which Stores a Set

question 18

Multiple Choice

Assume we have a RandomAccessFile object, file, which stores a set of records of class MyData, each needing MyData.RECORD_SIZE bytes for storage.Which expression calculates the number of records in the file?

• A)MyData.RECORD_SIZE * file.length()
• B)file.length() / MyData.RECORD_SIZE
• C)MyData.RECORD_SIZE + file.getFilePointer()
• D)file.seek(0L) / MyData.RECORD_SIZE

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Definitions:

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