Question 1: Node Trace A Write the contents of the chain of nodes headed by firs

Question

Question 1: Node Trace A

Write the contents of the chain of nodes headed by firstNode and the value of the data in the node current. Do this for each numbered line in the code below. Use the simple method of writing a chain, such as 1->2->3.

Explanation / Answer

After the first six lines of code the list is 95->67->43->12->88 Node firstNode = n4; // line 1 95->67->43->12->88 Node current = firstNode; // line 2 95->67->43->12->88 current = current.next; // line 3 95->67->43->12->88 current is at 67 firstNode is at 95 firstNode = firstNode.next; // line 4 67->43->12->88 firstNode is at 67 current.next.data = 36; // line 5 67->36->12->88 current is at 67 current.next = current.next.next.next; // line 6 67->88 current is at 67 After this the firstNode pointing list is also become 67->88 firstNode is at 67 firstNode.data = 17; // line 7 17->88 firstNode is at 17 current = current.next; // line 8 17->88 current is at 88 firstNode.next = current.next; // line 9 17 So, Final list contains only one element. i.e 17

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