Trimming capacity of an ArrayList to current size of the given ArrayList

 

import java.util.*;

public class TrimToSizeArrayList {

public static void main(String[] args) {

ArrayList<String> al = new ArrayList<>();

al.add("Ajay");

al.add("Vijay");

al.add("Krishna");

al.add("Kiyan");

al.add("Nishu");

//this method will trim the capacity of array list

//to the current size of the given Array

al.trimToSize();

Iterator itr = list.iterator();

while (itr.hasNext()) {

System.out.println(itr.next() + " ");

}

}

}