Question

1. Considering a mobile application that manages the update-able to do list for the user of the mobile device, explain whether the list of tasks should be implemented with an array list or linked list and justify

2. Suppose that a mobile application manages the text messages for the user, and has a feature that displays the 10 most recent messages from a particular sender for review. If the application uses a stack to implement this feature, what data structure should be used for the internal implementation? 1 Explain which stack operations would be used for this, and which internal implementation operations would be used to make the stack operations possibl

Answer 1

1) since a user randomly switches between two tasks array list based implementation will be appropriate since we can access the task in constant time in array whereas in linked list we have to traverse through all the tasks in order to find a task'

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