Java Scanner Quiz

What is the purpose of the Java Scanner class?

• To create graphical user interfaces

• To read input from various sources

• To manage file outputs

• To perform mathematical operations

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DOK Level 1: Recall

Which method would you use to read a byte value using a Scanner object?

• nextByte()

• nextInt()

• nextDouble()

• next()

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DOK Level 1: Recall

What does the `nextLine()` method of the Scanner class do?

• It reads a single character

• It reads the next token from the input

• It reads the next line of text

• It reads an integer value

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DOK Level 1: Recall

Which import statement is necessary to use the Scanner class in Java?

• import java.util.Scanner;

• import java.util.*;

• import java.Scanner;

• import Scanner;

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DOK Level 1: Recall

How do you create a new Scanner object to read from standard input in Java?

• Scanner scan = new Scanner(System.in);

• Scanner scan = new Scanner(System.out);

• Scanner scan = new Scanner();

• Scanner scan = System.in;

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DOK Level 1: Recall

Which method of the Scanner class should be used to check if there is another integer input available?

• hasNextInt()

• hasNext()

• nextInt()

• checkInt()

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DOK Level 1: Recall

What is the output of `nextDouble()` when used with a Scanner object?

• A string

• An integer

• A double

• A boolean

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DOK Level 1: Recall

To read a full name including spaces using Scanner, which method should you use?

• next()

• nextLine()

• readString()

• readLine()

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DOK Level 1: Recall

What happens if you use `nextInt()` to read an input that is not an integer?

• The program will convert it to an integer

• The program will skip the input

• The Scanner throws an InputMismatchException

• The program will terminate

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DOK Level 1: Recall

Which method from the Scanner class is best for reading a single word from the user input?

• nextLine()

• next()

• read()

• readWord()

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DOK Level 1: Recall