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Welcome to our Java tutorial on the `Scanner` class in Java I/O!

In this video, you'll learn all about the `Scanner` class in Java and how it can be used for parsing input streams efficiently.

**Overview**:
The `Scanner` class in Java is part of the `java.util` package and provides a convenient way to parse primitive types and strings from an input source. It can tokenize and parse input into various data types, making it useful for reading user input, file contents, or other character-based streams.

**Key Features**:
`Scanner` simplifies the process of reading and parsing input data, offering methods to extract tokens (integers, doubles, strings, etc.) from input sources.
It supports regular expressions for customizing token patterns and delimiters when parsing input.

**Why Use Scanner Class?**:
`Scanner` is versatile and can handle different types of input streams, such as standard input (e.g., keyboard input), files, or other character-based streams.
It provides methods like `nextInt()`, `nextDouble()`, `nextLine()`, etc., for reading specific types of data from the input stream.

**Java Code Examples**:
We'll demonstrate how to create and use a `Scanner` object to parse input from various sources. You'll learn how to:
Initialize a `Scanner` object with different input sources, such as `System.in` (standard input), `File` objects, or `String` objects.
Use `Scanner` methods to extract tokens (numbers, strings) from the input stream based on specific patterns or delimiters.

By the end of this tutorial, you'll have a solid understanding of how to leverage the `Scanner` class for input parsing in your Java programs, empowering you to interactively read and process input data more efficiently.

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What is the Scanner class in Java? | Java IO | Java Tutorial

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