java bufferedwriter with examples
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Java BufferedWriter: A Comprehensive Guide
The `BufferedWriter` class in Java is a part of the `java.io` package and provides a mechanism to write text to an output stream in an efficient manner by buffering characters. Instead of writing characters directly to the underlying stream, `BufferedWriter` accumulates them in an internal buffer. When the buffer is full or when the `flush()` method is explicitly called, the buffered characters are written to the underlying stream in a single operation. This significantly reduces the number of I/O operations, leading to improved performance, especially when writing large amounts of data.
This tutorial will cover the following aspects of `BufferedWriter`:
1. *Introduction and Purpose*
2. *Key Features*
3. *Constructor Overloads*
4. *Commonly Used Methods*
5. *Code Examples*
6. *Error Handling*
7. *Best Practices*
8. *Comparison with `FileWriter`*
9. *Advanced Usage (Custom Buffer Size)*
*1. Introduction and Purpose*
As mentioned earlier, `BufferedWriter` improves writing performance by buffering data before writing it to the underlying output stream. Writing to streams directly is often slow because each character requires a separate system call. `BufferedWriter` reduces the number of system calls, resulting in noticeable performance gains.
`BufferedWriter` is particularly beneficial when writing to files, network sockets, or other I/O resources that involve frequent and potentially slow interactions with the operating system.
*2. Key Features*
*Buffering:* The core feature of `BufferedWriter` is its buffering mechanism. It temporarily stores characters in a buffer before writing them to the underlying stream.
*Efficiency:* Reduced I/O operations translate to faster writing speeds.
*`newLine()` Method:* Provides a platform-independent way to insert line separators, making the code more portable across different operating systems.
*`flush()` Method:* Forces ...
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