Thursday 26 July 2012

Remove all elements or clear LinkedList Java example


This java example shows how to remove all elements or clear Java LinkedList using clear method.


import java.util.LinkedList;

public class RemoveAllElementsLinkedListExample {

 public static void main(String[] args) {

  // create LinkedList object

  LinkedList lList = new LinkedList();

  // add elements to LinkedList
  lList.add("1");
  lList.add("2");
  lList.add("3");
  lList.add("4");
  lList.add("5");

  System.out.println("LinkedList contains : " + lList);

  /**
   * To remove all elements of Java LinkedList, use void clear() method.
   * 
   * This method remove all elements from LinkedList object.
   **/

  lList.clear();
  System.out.println("LinkedList now contains : " + lList);

 }
}


The output is:



LinkedList contains : [1, 2, 3, 4, 5]
LinkedList now contains : []

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