Java 天地·Core Java·Lecture Notes·Unit 10 - Applications, File Handling and Exceptions

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Other file ‘stream’ models

As well as the ‘byte stream’, Java supports other models of a file which are extensions of the ‘byte stream’ concept.

Data stream: sees the file of a stream of variable values (e.g., double, int)
Object stream: sees the file as a stream of objects

The data stream approach is useful for storing the values of Java variables, particularly arrays, in a file. An object stream is useful for storing the states of objects between uses of a program.

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