Java Programming Quiz

What is the correct way to take input from the user in Java?

• System.out.println()

• Scanner input = new Scanner();

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

• System.in.read()

Which method is used to print output in Java?

• System.out.input()

• System.out.println()

• System.out.read()

• System.println()

What does the following code do?

Scanner scanner = new Scanner(System.in);

int age = scanner.nextInt();

System.out.println("Your age is: " + age);

• It takes an integer input and prints "Your age is: " followed by the input.

• It gives an error because of incorrect syntax.

• It prints the user's age without taking input.

• It prompts the user for their name.

How do you take a string input from the user in Java?

• input.nextString()

• scanner.next()

• scanner.nextLine()

• scanner.input()

What does System.out.println() do in Java?

• Takes input from the user.

• Prints a message to the console.

• Reads a file.

• Terminates the program.

Which of the following correctly reads an integer value from the user?

• int num = input.readInt();

• int num = scanner.nextInt();

• int num = input.nextInt();

• int num = scanner.read();

Which package is needed to use the Scanner class for input in Java?

• java.util.io

• java.scanner.util

• java.io

• java.util.Scanner

What is the output of the following code?

Scanner sc = new Scanner(System.in);

int num = sc.nextInt();

System.out.println("The number is: " + num);

If the input is 25, what will be printed?

• 25

• The number is: 25

• The number is: num

• The number is: null

What will be the output of the following code?

int a = 10;

int b = 5;

System.out.println(a + b);

• 15

• 105

• 5

• 50

What is the result of this operation: 12 / 5 in Java when both are integers?

• 2

• 2.4

• 2.0

• 3