Professional web hosting - 1158 Data Structures and Collections Chapter 23 1.
1158 Data Structures and Collections Chapter 23 1. Assign lastNode.Data (the data being removed from the list) to reference removeItem(line 139). 2. If the objects to which firstNode and lastNode refer are the same object (line 142), the list has only one element prior to the removal attempt. In this case, the method sets firstNodeand lastNodeto null(line 143) to dethread (remove) that node from the list (leaving the list empty). (a) firstNode 7 11 New ListNode 12 (b) firstNode New ListNode 7 11 12 Fig. 23.6 Fig. 23.Fig. 23.FF6ig. 23.6ig.6A graphical representation of the InsertAtFrontoperation. 23. (a) firstNode lastNode New ListNode 7 1112 5 (b) firstNode lastNode New ListNode 12 7 11 5 Fig. 23.7 Fig. 23.Fig. 23.FF7ig. 23.7ig.7A graphical representation of the InsertAtBackoperation. 23.
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