Web Reference: In Java, there is an important difference between working with the File class and working with I/O Streams (Input/Output Stream): The File class (from java.io) is used to get information about files and directories: A stream can be defined as a sequence of data. There are two kinds of Streams − 1. InPutStream− The InputStream is used to read data from a source. 2. OutPutStream− The OutputStream is used for writing data to a destination. Java provides strong but flexible support for I/O related to files and networks but this tutorial covers very basic functiona... There are a wide array of file I/O methods to choose from. To help make sense of the API, the following diagram arranges the file I/O methods by complexity. On the far left of the diagram are the utility methods readAllBytes, readAllLines, and the write methods, designed for simple, common cases.
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