A new entry is added to an array-based implementation of the ADT list a. in the last array position b. immediately after the last occupied position c. in the location returned by the new operator d. immediately before the first occupied position
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Exercise 4 (Stack ADT) ****IN JAVA*** In the Lab 7 project, add a class called ArrayIntStack that uses the ArrayIntList class to implement a Stack ADT. Then, add a class called LinkedIntStack that uses the LinkedIntList class to implement a Stack ADT. Compare the two implementations. Test your implementations in the main methods. Also, state the time complexity of your method implementations. Explanation of the Stack ADT A Stack ADT is a linear data structure whose elements are added and removed from the same end. In stacks, elements are processed in a last in, first out (LIFO) manner. This means that the element that was last added will be the first one to be removed. In a Stack, we call the adding operation push, and the removing operation pop. We typically think of stacks as being depicted vertically, so the top of the stack represents the last element added to the stack (or null). See example below: Implementation Details To implement a Stack, simply make a Stack class and then declare either the ArrayIntList or LinkedIntList as an instance variable. The constructor will just create a new list to represent the stack. Each operation, push and pop, will correspond to the operation of the list. So, just call the corresponding method on the list. You should also add the toString method. Figure: Visual depiction of Stack:
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Select the correct alternative from the given choices. When a new element is inserted in the middle of linked list, then the references of updated. (A) those nodes that appear after the new node (B) those nodes that appear before the new node (C) head and tail nodes (D) those nodes that appear just before and after the new node
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