5.1.13
Sketch linked lists (single, double and circular).
Teaching Note:
Students should be able to sketch diagrams illustrating: adding a data item to linked list, deleting specified data item, modifying the data held in the linked list, searching for a given data item.
Sample Question:
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JSR Notes:
***Note that there are a couple of minor errors with the videos, namely tail referred to as head in a couple of places. But the diagrams are corrected.
Sketching Basic Operations on Lists
(backup of video) (And there are a couple of little errors, can you spot them?)
And if you have seen and have a basic understanding of the code, the key line would be:
current.setNext(newNode);
Note above that with adding to a linked list, you can add to either end. Since this is the first time you are being shown this, I have picked adding to the end, which is arguably the easier of the two ways to understand, but not the most efficient.
And if you have seen and have a basic understanding of the code, the key line would be:
previous.setNext(current.getNext( ));
And if you have seen and have a basic understanding of the code, the key line would be:
if(current.getData( ).getName( ).equals("bob")
current.getData( ).setName("charles");
And if you have seen and have a basic understanding of the code, a key line would be:
if(current.getData( ).getName( ).equals("bob")
System.out.println(current.getData( ).getGrade( ));
Sketching Various Kinds of Lists
