Given the following method to be considered within the Single Linked List class, what does this...
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Given the following method to be considered within the Single Linked List class, what does this method do public boolean Undefined() { Node<E> ptr = head; if (ptr == null || ptr.next == null) return false; E item1 = ptr.data; while (ptr.next != null) ptr = ptr.next; E item2 = ptr.data; if (item1.equals(item2)) return true; else return false; } O a. It returns true if the first element in the list and the element before the last in the list are equal, otherwise, it returns false. O b. It returns true if the first element in the list and the last element in the list are equal, otherwise, it returns false. O c. It returns true if the second element in the list and the last element in the list are equal, otherwise, it returns false. d. It returns true if the second element in the list and the element before the last are equal, otherwise, it returns false Given the following method to be considered within the Single Linked List class, what does this method do public boolean Undefined() { Node<E> ptr = head; if (ptr == null || ptr.next == null) return false; E item1 = ptr.data; while (ptr.next != null) ptr = ptr.next; E item2 = ptr.data; if (item1.equals(item2)) return true; else return false; } O a. It returns true if the first element in the list and the element before the last in the list are equal, otherwise, it returns false. O b. It returns true if the first element in the list and the last element in the list are equal, otherwise, it returns false. O c. It returns true if the second element in the list and the last element in the list are equal, otherwise, it returns false. d. It returns true if the second element in the list and the element before the last are equal, otherwise, it returns false
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Related Book For
Java An Introduction To Problem Solving And Programming
ISBN: 9780134462035
8th Edition
Authors: Walter Savitch
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