List Worksheet Answers

1. 1. Ptr = Ptr.getLink();
   2. Ptr = Head;
   3. Ptr = Head.getLink();
   4. head.setLink(head.getLink().getLink());    or    head.setLink(Ptr);
   5. Ptr.getLink().setLink(Ptr.getLink());
   6. head.getLink().setLink(Head);
   7. ptr.setInfo("South");
   
   
   
2. 10 30 20

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