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Posts: 25
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try {
// Determine where in the file this record should be.
// note: if this is null the record does not exist
locationInFile = recordNumbers.get(recNo);
throw new RecordNotFoundException("Record not found.");

recordNumbers is hashmap where key is recNo and value is offset of record

is it right condition to throw RecordNotFoundException ???

pleset let me know
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Posts: 334
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Your implementation seems to be okay. As per my understanding, this exception will be thrown when you provide implementation for

The above method requires the record no and will look up into the map. If the record is not available, RecordNotFoundException will be thrown.

I read your earlier posts couple of weeks ago and found the incorrect implementation of readRecord method. Check your implementation again

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