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removeFront

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Author: Stuart Reges (on 2014/02/13)

Write a method called removeFront that takes an integer n as a parameter and that removes the first n values from a list of integers. For example, if a variable called list stores this sequence: 

        [8, 17, 9, 24, 42, 3, 8]

and the following call is made: 

        list.removeFront(4);

then it should store the following values after the call: 

        [42, 3, 8]

Notice that the first four values in the list have been removed and the other values appear in the same order as in the original list.

You are writing a method for the ArrayIntList class discussed in lecture: 

        public class ArrayIntList {
            private int[] elementData; // list of integers
            private int size;          // current # of elements in the list

            <methods>
        }

Your method should throw an IllegalArgumentException if the parameter n is less than 0 or greater than the number of elements in the list. You are not to call any other ArrayIntList methods to solve this problem, you are not allowed to define any auxiliary data structures (no array, ArrayList, etc), and your solution must run in O(n) time where n is the length of the list.

Type your solution here:


This is a partial class problem. Submit code that will become part of an existing Java class as described. You do not need to write the complete class, just the portion described in the problem.

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