What is the output of the following code

snippet?

ArrayList<Integer> numbers = new

ArrayList<>();

numbers.add(1);

numbers.add(2);

numbers.set(1, 3);

System.out.println(numbers.get(1));

To access an element at a specific index in

an array, which of the following syntax is correct?

Which of the following is the correct way to declare and initialize an array in Java?

a. int[ ] numbers = new int[5] {1, 2, 3, 4, 5};  

b. int[ ] numbers = {1, 2, 3, 4, 5};

c.  int numbers[ ] = new int[ ]{1, 2, 3, 4, 5};

d.  int numbers = [1, 2, 3, 4, 5];