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Understanding Java's write() and flush() methods
2023-06-16 16:27:05 深夜i     --     --
Java

write(), flush()

Java programming language provides many methods that enable developers to write and manipulate data efficiently. Among these methods, the two most commonly used are write() and flush(). In this article, we will delve into what these methods are, how they work, and why they are important.

The write() method is used to write characters to an output stream. It takes an array of characters and writes them to the stream one by one. It is important to note that the write() method does not write the data immediately but stores it in a buffer. Therefore, it is recommended to call the flush() method after writing data to the stream.

The flush() method is used to clear the output stream buffer. It ensures that any pending write operations are executed and that the data is written to the output file or console. The flush() method is especially useful in situations where a program must write data to a file in real-time.

Using the write() and flush() methods correctly can be a game-changer in the effectiveness of a program. These methods can help reduce program crashes, improve performance, and enable the management and manipulation of data effectively.

In summary, Java's write() and flush() methods are two crucial methods that are used to write data to an output stream. The write() method stores the data in a buffer, which is stored in memory, while the flush() method writes the buffer to the output file or console. Using these methods effectively can help improve a program's performance and stability.

  
  

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