The difference between Java input and output streams

time：2025-01-21 16:02:21 Smart Hardware

The difference between input and output streams in Java

In Java, the input and output streams are the basic tools used to read and write data. The input stream is mainly used to read data from the outside into the program, and the output stream is used to write the data from the program to the outside. Let's summarize the difference between input and output streams in Java.

1. Direction. The direction of the input stream is to read data from the outside to the inside of the program, and the direction of the output stream is to write data from the inside of the program to the outside.

2. Target Audience. The target object of the input stream is a data source that takes data from the outside and passes it to the program for use, such as files, networks, memory, and so on. The target object of the output stream is the data in the program that needs to be written externally, such as files, networks, memory, and so on.

3. Mode of operation. The input stream uses the read() method to read external data byte-by-byte, and the output stream uses the write() method to write data byte-by-byte to the external data. The data types read and written can be bytes, characters, objects, and so on.

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