Java ArrayList

Which of the following is the correct way to set the second value in an array called nums to 5?

• nums[1] = 5;

• nums[5] = 1;

• nums[0] = 5;

• nums[5] = 0;

Which index is the last element in a list called nums at?

• nums.size- 1

• nums.size()

• nums.size

• nums.size() - 1

Which of the following is the correct way to add 2 between the 1 and 3 in the following list nums =[1,3,4]?

• nums.add(0, 2);

• nums.add(2, 1);

• nums.add(1, 2);

• nums.add(2, 0);

What will print when the following code executes?

List<Integer> list1 = new ArrayList<Integer>();

list1.add(new Integer(1));

list1.add(new Integer(2));

list1.add(new Integer(3));

list1.remove(1);

System.out.println(list1);

• [1, 2]

• [1, 3]

• [1, 1]

• [2, 3]

Which of the following is the correct way to get the second value in a list called nums?

• nums.get(0)

• nums.get(2)

• nums.get(3)

• nums.get(1)

What is printed as a result of executing the following code segment?

List<Integer> list1 = new ArrayList<Integer>();

list1.add(new Integer(1));

list1.add(new Integer(2));

list1.add(new Integer(3));

list1.set(2, new Integer(4));

list1.add(2, new Integer(5));

list1.add(new Integer(6));

System.out.println(list1);

• [1, 2, 5, 4, 6]

• [1, 2, 3, 4, 6]

• [1, 2, 4, 5, 6]

• [1, 2, 3, 4, 5, 6]

Which of the following is the correct way to set the second value in a list called nums to 5?

• nums.add(1, 5);

• nums.add(2, 5);

• nums.set(1, 5);

• nums.set(2, 5);

What will print when the following code executes?

List<Integer> list1 = new ArrayList<Integer>();

list1.add(new Integer(1));

list1.add(new Integer(2));

list1.add(new Integer(3));

list1.remove(2);

System.out.println(list1);

• [1, 2]

• [2, 3]

• [1, 3]

• [1, 2, 3]

What is printed as a result of executing the following code segment?

List<Integer> aList = new ArrayList<Integer>();

aList.add(new Integer(1));

aList.add(new Integer(2));

aList.add(1, new Integer(5));

aList.set(1, new Integer(4));

aList.add(new Integer(6));

aList.add(new Integer(3));

System.out.println(aList);

• [1, 2, 3, 4, 6]

• [1, 4, 2, 6, 3]

• [1, 4, 5, 6, 3]

• [1, 3, 2, 6, 3]

Which of the following is the correct way to get the first value in a list called nums?

• nums.get(0)

• nums.get(1)

• nums.get[0]

• nums.get[1]