HW2 - ECE 242 HW#2 Fall 2009 Total points 100pts Appetizers...

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ECE 242 HW#2 Fall 2009 Total points: 100pts Appetizers: Question 0: Consider the fragment of operations below that are being performed on a singly Linked-List X: X.add(new Integer(4)); X.add(new Integer(7)); X.add(new Integer(3)); X.add(new Integer(2)); X.add(new Integer(5)); Object Z=X.remove(new Integer(7)); X.add(new Integer(9)); Part a) Write a method that will compute the sum of the values stored in the nodes of this singly Linked- List. (You do not need to write a complete class file. Just write the method that will perform the desired function). [10] Part b) Write a method that will remove a node from List X based on node value. (Same deal as the previous part. Just write the method). [10] Part c) optional Write a method to find out whether a loop exists in a singly-Linked List. The Main Course: Question 1: Part a) Implement a stack using a singly-Linked List . The bare functionality of your program should be a push, a pop and an isEmpty method. Write in Big-O notation, the time-complexity of each of your methods.
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