Java.io.BufferedOutputStream class in Java - GeeksforGeeks

Buffered Streams (The Java™ Tutorials > Essential Classes Buffered input streams read data from a memory area known as a buffer; the native input API is called only when the buffer is empty. Similarly, buffered output streams write data to a buffer, and the native output API is called only when the buffer is full. A program can convert an unbuffered stream into a buffered stream using the wrapping idiom we've used several times now, where the unbuffered stream … How to write to file in Java using BufferedWriter The advantage of using BufferedWriter is that it writes text to a character-output stream, buffering characters so as to provide for the efficient writing (better performance) of single characters, arrays, and strings. Complete example: Write to file using BufferedWriter In this example we have a String mycontent and a file myfile.txt in C drive. Input/Output Streams in Java | Core Java Tutorial

Flushing Buffers (The GNU C Library)

Introduction The Java.io.BufferedOutputStream class implements a buffered output stream. By setting up such an output stream, an application can write bytes to the underlying output stream without necessarily causing a call to the underlying system for each byte written.

FileOutputStream is meant for writing streams of raw bytes such as image data. For writing streams of characters, consider using FileWriter. If you are familiar with design patterns, FileWriter is a typical usage of Decorator pattern actually.

Buffered Streams (The Java™ Tutorials > Essential Classes