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Sorry, my question may not be clear enough, what I am truly confusing is that when executing "firstNode = null", wether firstNode.data = null or firstNode.nextNode = null because firstNode is a object of type ListNode, which has int data and listNode type instances.

tony.wang
– tony.wang

2014-03-23 04:08:48 +00:00
Commented Mar 23, 2014 at 4:08
Thanks a lot, this question does confuse me for a long time. Thanks very much.

tony.wang
– tony.wang

2014-03-23 04:16:38 +00:00
Commented Mar 23, 2014 at 4:16

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