Stacks

Question 1

The stack method to add an element to the stack is

Answer 1

att.push(“Some string”);

Stack<String> att = new Stack<>();</String>

Question 2

The Stack method to remove an element is

Answer 2

Stack<String> att = new Stack<>()</String>

att.pop();

Question 3

The Stack method to view an element at the top of the stack is

Answer 3

att.peek();

Question 4

The Stack method to search an element to return its position in the stack is

Answer 4

att.search(“Some”);

Question 5

The Stack method to check if a stack is empty is

Answer 5

att.empty(); and returns true or false

Question 6

To make a list object of type ArrayList you

Answer 6

List<String> list1 = new ArrayList<>();</String>

Question 7

To make a List object of type LinkedList you

Answer 7

List<String> list1 = new LinkedList<>();</String>

Question 8

List object methods include

Answer 8

add()
addAll() all elements of one list to another
get() get random element from list