LinkedList high level implementation [i]

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Problem statement: LinkedList high level implementation in java !
  1. class Node4 {
  2. Node4 next;
  3. int data;

  5. Node4(int data) {
  6. this.data = data;
  7. }
  8. }
  9. public class LinkedListHighLevelExe1 {
  10. Node4 head;

  12. public static void main(String[] args) {
  13. LinkedListHighLevelExe1 l = new LinkedListHighLevelExe1();
  14. l.add(3);
  15. l.add(5);
  16. l.add(8);
  17. l.add(9);
  18. l.print(l.head);
  19. }

  21. // add the element in LinkedList
  22. public void add(int data) {
  23. Node4 next = new Node4(data);
  24. if (head == null) {
  25. head = next;
  26. return;
  27. }
  28. Node4 last = head;
  29. while (last.next != null) {
  30. last = last.next;
  31. }
  32. last.next = next;
  33. }
  34. // print the LinkedList
  35. void print(Node4 next) {
  36. Node4 temp = next;
  37. while (temp != null) {
  38. System.out.print(temp.data + "-->");
  39. temp = temp.next;
  40. }
  41. }
  42. }
Output:
3-->5-->8-->9-->

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