This is a memo of Java buffering process used in business. I used it during development, so I summarized it.
A buffer is a variable that stores a character string. buffer has the meaning of "cushioning material".
A container for storing primitive type data. There are all primitive types except boolean.
What is buffering? At the time of writing, the process of storing data in the memory (buffer) once and outputting it to a file when it is full. At the time of reading, the data is read in a buffer and processed when it is full. → Data can be processed together, making reading and writing more efficient.
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