Exam 2: Fundamental Data Types

Assuming that the user enters 45 and 62 as inputs for n1 and n2, respectively, what is the output of the following code snippet? Public static void main(String[] args) { System.out.print("Enter a number: "); Scanner in = new Scanner(System.in); String n1 = in.next(); System.out.print("Enter another number: "); String n2 = in.next(); String result = n1 + n2; System.out.print(result); }

What is the result of the following expression? Double d = 2.5 + 4 * -1.5 - (2.5 + 4) * -1.5;

Which of the following options defines an integer variable?