import java.util.ArrayList;

import java.util.HashMap;

class Animal {

}

public class App {

public static void main(String[] args) {

/////////////////// Before Java 5 ////////////////////////

ArrayList list = new ArrayList();

list.add("apple");

list.add("banana");

list.add("orange");

String fruit = (String)list.get(1);

System.out.println(fruit);

/////////////// Modern style //////////////////////////////

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

strings.add("cat");

strings.add("dog");

strings.add("alligator");

String animal = strings.get(1);

System.out.println(animal);

///////////// There can be more than one type argument ////////////////////

HashMap<Integer, String> map = new HashMap<Integer, String>();

//////////// Java 7 style /////////////////////////////////

ArrayList<Animal> someList = new ArrayList<>();

}

}