java中的`InputStream``DataInputStream`和`BufferedInputStream`的区别？ [英] The difference of `InputStream` `DataInputStream` and `BufferedInputStream` in java?

问题描述

InputStream的差别 DataInputStream 和 BufferedInputStream in java吗？

The difference of InputStream DataInputStream and BufferedInputStream in java?

推荐答案

如果问题是：这些类之间有什么区别，这里是摘要，但请阅读javadoc以获取更多信息info：

If the question is : "what the difference between those classes", here is a summary, but read the javadoc for more info :

inputStream是从流（网络或文件）中读取字节的基类。它提供了从流中读取字节并检测流结束的能力。

An inputStream is the base class to read bytes from a stream (network or file). It provides the ability to read bytes from the stream and detect the end of the stream.

DataInputStream是一种直接读取数据作为原始数据类型的InputStream。

DataInputStream is a kind of InputStream to read data directly as primitive data types.

BufferedInputStream是一种inputStream，它从流中读取数据并使用缓冲区来优化对数据的快速访问。数据基本上是提前读取的，这减少了磁盘或网络访问。

BufferedInputStream is a kind of inputStream that reads data from a stream and uses a buffer to optimize speed access to data. data is basicaly read ahead of time and this reduces disk or network access.

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