package collection;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

public class ArrayListExample {
	public static void main(String[] args) {

		List<String> countryList = new LinkedList<String>();
		countryList.add("Nepal");
		countryList.add("China");
		countryList.add("USA");
		countryList.add("Japan");

		if (countryList.contains("Japan")) {
			System.out.println("Yes there is Japan.");
		}

		// Iterator can be used to traverse.
		Iterator<String> itr = countryList.iterator();
		while (itr.hasNext()) {
			String s = itr.next();
			System.out.println(s);

			// we can remove elements inside iterator.
			if (s.equals("China")) {
				itr.remove();
			}
		}

		countryList.remove(2);
		String npl = countryList.get(0);

		System.out.println("No of elments left: " + countryList.size());
		// Foreach: display purpose
		for (String s : countryList) {
			System.out.println(s);
		}

		for (int i = 0; i < countryList.size(); i++) {
			String s = countryList.get(i);
			countryList.remove(i);
			System.out.println(s);
		}

		countryList.clear();
		System.out.println(countryList.isEmpty());

	}
}