Nearly all the applications gives output depend on some input which needs processing. In Java, this purpose is solved by java.io package.
To perform any type of input and output(I/O) in Java, you need java.io package. The java.io package's streams supports many data such as primitives, Object, localized characters etc. The stream classes provided by java.io package is needed to perform any type of input and output operation in Java.
The purpose of this tutorial is to provide you an overview how these stream classes should be used for input and output(I/O) operations in Java. This tutorial covers almost all the basic functionalities of java.io package. Given below you will find the most commonly used examples with source code and output :Count characters from text file in Java
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