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HomeJavaJavaBaseWhat types of streams are there in java?

A stream is a sequenced set of bytes with a starting point and an end point. It is a general term or abstraction for data transmission. That is, the transmission of data between two devices is called a stream.

What types of streams are there in java?

The stream in Java is an abstract concept. When the program needs to read data from a certain data source, it will open a data stream. The data source can be a file. , memory or network, etc.

On the contrary, when data needs to be written to a data source destination, a data stream will also be opened. The data source destination can also be a file, memory, network, etc.

What are the types of streams in java?

Streams in Java can be classified from different perspectives:

According to the direction of the stream: Input stream (inputStream) and output stream ( outputStream).

According to the implementation function:

● Node stream (can read and write data from or to a specific place (node) such as FileReader.

● Processing stream (it is the connection and encapsulation of an existing stream, and data reading and writing are realized through the function call of the encapsulated stream. Such as BufferedReader.

The construction method of processing stream always needs to bring another Stream objects are used as parameters. A stream object is packaged multiple times by other streams, which is called a stream link.)

According to the unit of processing data: Byte stream and character stream.

The byte stream inherits from InputStream and OutputStream, and the character stream inherits from InputStreamReader and OutputStreamWrite.

The basic streams InputStream, OutputStream, Reader, and Writer each have more specific subclasses, which are divided into file streams , buffer stream, data stream, conversion stream, Print stream, Object stream, etc., all have specific functions or are used to operate specific data

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