How to make a scanner in Java?
Understand the Problem
The question is asking for guidance on how to create a scanner in the Java programming language, likely referring to the Scanner class which is used for obtaining input from various sources.
Answer
Import `java.util.Scanner`, create an object with `new Scanner(System.in)`, and use methods like `nextLine()` to read input.
To create a scanner in Java, you need to import java.util.Scanner, instantiate a new Scanner object with System.in, and use it to read input.
Answer for screen readers
To create a scanner in Java, you need to import java.util.Scanner, instantiate a new Scanner object with System.in, and use it to read input.
More Information
The Scanner class helps simplify user input by wrapping around the InputStream and providing ready-to-use methods for different data types.
Tips
A common mistake is forgetting to close the Scanner object. Also, be careful with nextLine() after nextInt() or nextDouble(); use an additional nextLine() to consume remaining line breaks.
Sources
- Java User Input (Scanner class) - W3Schools - w3schools.com
- Java Scanner (With Examples) - Programiz - programiz.com
- Scanner Class in Java - GeeksforGeeks - geeksforgeeks.org
