Java Scanner Quiz

Which package must be imported to use the Scanner class?

• java.lang

• java.util

• java.io

• java.scanner

Which of the following is the correct way to create a Scanner object?

• Scanner sc = new Scanner;

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

• Scanner sc = Scanner(System.in);

• Scanner(System.in) = new Scanner;

Which method is used to input an integer value?

• next()

• nextInt()

• nextInteger()

• readInt()

Which method is used to input a decimal (floating-point) value?

• nextFloat()

• nextDecimal()

• nextDouble()

• both a and c

Which method is used to input a single word (string without spaces)?

• nextWord()

• nextLine()

• next()

• read()

Which method is used to input a complete line including spaces?

• next()

• nextLine()

• readLine()

• read()

If we type Hello World and use next(), what will be stored?

• Hello

• World

• Hello World

• Nothing

If we type Hello World and use nextLine(), what will be stored?

• Hello

• World

• Hello World

• Error

What is the output of this code if user enters 25? Scanner sc = new Scanner(System.in); int x = sc.nextInt(); System.out.println(x + 10);

• 25

• 35

• 2510

• Error

Which method is used to input a character directly?

• nextChar()

• next().charAt(0)

• nextCharacter()

• nextLine()