Remove all elements or clear LinkedList Java example

  1. /*
  2.   Remove all elements or clear LinkedList Java example
  3.   This java example shows how to all elements or clear or empty Java LinkedList
  4.   using clear or removeAll method.
  5. */
  6.  
  7. import java.util.LinkedList;
  8.  
  9. public class RemoveAllElementsLinkedListExample {
  10.  
  11. public static void main(String[] args) {
  12.  
  13. //create LinkedList object
  14. LinkedList lList = new LinkedList();
  15.  
  16. //add elements to LinkedList
  17. lList.add("1");
  18. lList.add("2");
  19. lList.add("3");
  20. lList.add("4");
  21. lList.add("5");
  22.  
  23. System.out.println("LinkedList contains : " + lList);
  24.  
  25. /*
  26.   * To remove all elements of Java LinkedList, use
  27.   * void clear() method.
  28.   *
  29.   * This method remove all elements from LinkedList object.
  30.   */
  31.  
  32. lList.clear();
  33. System.out.println("LinkedList now contains : " + lList);
  34.  
  35. /*
  36.   * Please note that removeAll method can also be used to remove
  37.   * all elements from LinkedList.
  38.   */
  39. }
  40. }
  41.  
  42. /*
  43. Output would be
  44.  
  45. LinkedList contains : [1, 2, 3, 4, 5]
  46. LinkedList now contains : []
  47. */

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