Use `Scanner` class
Import `java.util.Scanner`
Create a `Scanner` object
Use `nextInt()` for integers
Use `nextDouble()` for decimal numbers
Use `next()` for a single word
Use `nextLine()` for a full line of text
Use `nextBoolean()` for boolean values
Close the `Scanner` with `close()`
Use `BufferedReader` with `InputStreamReader`
Use `Console` class
Use `JOptionPane` for dialog-based input