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

question 31

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