Which method can be implemented to check if a specific line exists in a file using RandomAccessFile? A) findLine() B) checkLineExists() C) searchLine() D) readLine()
Understand the Problem
The question is asking which method can be used to determine the existence of a specific line in a file when utilizing the RandomAccessFile class in Java. It presents a multiple-choice format for potential method names related to this functionality.
Answer
D) readLine()
The final answer is D) readLine()
Answer for screen readers
The final answer is D) readLine()
More Information
The readLine() method in Java's RandomAccessFile class reads the next line of text from the file, which can be used to check if a specific line exists.
Tips
A common mistake is assuming that methods like findLine(), checkLineExists(), or searchLine() exist in the RandomAccessFile class, when they do not.
Sources
- Java.io.RandomAccessFile.readLine() Method - TutorialsPoint - tutorialspoint.com
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