Question

JAVA lists and nodes

my answer was :

ListNode newNode = new ListNode(3);

newNode.next = head;

head = newNode;

it is incorrect. what could it be?

linkedNodes 11 > <linkedNodes 9 Main Page -- Problems - Solve a Problem OBJP5 Self-Check 16.10: linkedNodes 10 Language/Type: Java ListNodes LinkedLists Related Links: LinkedIntList.java Author: Marty Stepp (on 2019/09/19) Write the code necessary to convert the following sequence of ListNode objects: list -> [1] -> [2] / Into this sequence of ListNode objects: list -> [3] -> [1] -> [2] / Assume that you are using ListNode class as defined in the textbook: public class ListNode { public int data; // data stored in this node public ListNode next; // a link to the next node in the list public ListNode() { ... } public ListNode(int data) { ... } public ListNode(int data, ListNode next) { ... } Type your solution here: This problem asks for bare code. Submit a fragment of Java code as described. Do not write any class or method heading around your code; just write the lines of code that will produce the result described. 4 Indent f Submit Sound FIX Highlighting

Answer 1

Answer:

ListNode newNode = new ListNode(3);
newNode.next = list;
list = newNode;

$\color{blue}\underline{Node:}$
There is no node named head.
Name of the head is list as it is in the given diagram

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