Thursday 29 November 2012

Remove all elements from Java ArrayList Example

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  1. import java.util.ArrayList;
  2.  
  3. public class RemoveAllElementsOfArrayListExample {
  4.  
  5.   public static void main(String[] args) {
  6.     //create an ArrayList object
  7.     ArrayList arrayList = new ArrayList();
  8.    
  9.     //Add elements to Arraylist
  10.     arrayList.add("1");
  11.     arrayList.add("2");
  12.     arrayList.add("3");
  13.    
  14.     System.out.println("Size of ArrayList before removing elements : "
  15.                                                        + arrayList.size());
  16.     /*
  17.       To remove all elements from the ArrayList use
  18.       void clear() method.
  19.     */
  20.     arrayList.clear();
  21.     System.out.println("Size of ArrayList after removing elements : "
  22.                                                        + arrayList.size());
  23.    
  24.   }
  25. }

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