ArrayList - isEmpty, size and clear methods program







ArrayList - isEmpty, size and clear methods program.







import java.util.ArrayList;
import java.util.List;
/**
* Copyright (c), AnkitMittal JavaMadeSoEasy.com
*/
public class ArrayListTest {
   public static void main(String args[]) {
          // creates array with initial capacity of 10.
          List<String> arrayList = new ArrayList<String>();
          System.out.println("--------add element to end of list");
          arrayList.add("ankit");
          arrayList.add("mittal");
          arrayList.add("javaMadeSoEasy");
          System.out.println("arrayList = "+arrayList);
          System.out.println("arrayList.isEmpty() = "+arrayList.isEmpty());
          System.out.println("\n--------clear list - remove all elements from list");
          arrayList.clear();
         
          System.out.println("arrayList.isEmpty() = "+arrayList.isEmpty());
          System.out.println("arrayList = "+arrayList);
         
   }
}
/*OUTPUT
--------add element to end of list
arrayList = [ankit, mittal, javaMadeSoEasy]
arrayList.isEmpty() = false
--------clear list - remove all elements from list
arrayList.isEmpty() = true
arrayList = []
*/


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