class Output { public static void main(String args[]) { ArrayList obj = new ArrayList(); obj.add('A'); obj.add('D'); obj.ensureCapacity(3); obj.trimToSize(); System.out.println(obj.size()); } }

class Output {
        public static void main(String args[]) {
            ArrayList obj = new ArrayList();
            obj.add("A");
            obj.add("D");
            obj.ensureCapacity(3);
            obj.trimToSize();
            System.out.println(obj.size());
         }      
    }