Imagine a situation where you are dealing with very large files that need to be read and processed, but you want to ensure that the system remains responsive and does not run out of memory. How would you implement file reading in this case?
- Read the entire file into memory using FileInputStream.
- Use a BufferedReader with a small buffer size.
- Implement a memory-mapped file using FileChannel and MappedByteBuffer.
- Use Scanner with a large buffer size.
To ensure responsiveness and prevent memory exhaustion when dealing with large files, it's best to use a BufferedReader with a reasonably small buffer size. This allows for efficient reading of the file without loading the entire content into memory. The other options are less efficient and may lead to memory issues.
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