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Help in understanding the add method particularly addBefore of linkedList Implementation

Sandeep Dharwar
Greenhorn

Joined: Aug 09, 2011
Posts: 4

Can someone walk me through the logic of the addBefore method in 2 cases when the list is empty and when there are several elements in the list. I have included the necessary code required for the understanding of this operation.










Thanks in advance.
Winston Gutkowski
Bartender

Joined: Mar 17, 2011
Posts: 7713
    
  20

Sandeep Dharwar wrote:Can someone walk me through the logic of the addBefore method in 2 cases when the list is empty and when there are several elements in the list. I have included the necessary code required for the understanding of this operation.

My suggestion would be to draw it out on a piece of paper, maybe something like:and now think about (and write down) the operations needed to add a new node before B.

Winston

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subject: Help in understanding the add method particularly addBefore of linkedList Implementation