Java main() and Scanner

What is the entry point for a Java program?

• main()

• start()

• init()

• run()

Which modifier is used with the main method in Java?

• public

• private

• static

• final

How is the main method declared in Java?

• void main(String[] args)

• static void main()

• public static int main(String[] args)

• public static void main(String[] args)

Which class is used to take input from the user in Java?

• System.in

• InputReader

• BufferedReader

• Scanner

Which package is Scanner class located in Java?

• java.util

• java.io

• java.lang

• java.text

How do you create a Scanner object to take input from the user in Java?

• Scanner scanner = new Scanner();

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

• Scanner scanner = Scanner(System.in);

• Scanner scanner = new SystemScanner();

What method do you use to read a string input from the user using Scanner?

• nextLine()

• readLine()

• readString()

• inputString()

Which method is used to read an integer input from the user using Scanner?

• nextInt()

• readInt()

• inputInt()

• getInt()

What happens if you try to read an integer using nextInt() but the input is not an integer?

• It throws a NoSuchElementException

• It returns 0

• It throws an InputMismatchException

• It returns -1

How do you close a Scanner object in Java?

• scanner.close();

• close(scanner);

• Scanner.close();

• scanner.exit();