What is the impact of using PrintWriter in file handling without automatic line flushing?
- It buffers data and may not immediately write it to the file.
- It ensures efficient memory usage and high-speed writing to the file.
- It has no impact on file handling.
- It throws an error if used without automatic line flushing.
PrintWriter in Java buffers data by default, which means it doesn't immediately write to the file. Without automatic line flushing, you must manually flush the buffer (using flush()), or it may not write data until the buffer is full or the program exits. This buffering can improve performance but may lead to unexpected behavior if you forget to flush.
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