import java.util.*;
public class Main {
public static void main(String[] args) {
// Harbor, Week 1, Mock 1, PR_PracticeTest_1.pdf
// AP CS A
// MCQ 27
System.out.println("MCQ 27");
// I
ArrayList <String> alist1 = new ArrayList<String>();
alist1.add("4.5");
System.out.println(alist1);
// II
ArrayList <Integer> alist2 = new ArrayList<Integer>();
alist2.add((int) 4.5);
System.out.println(alist2);
// III
ArrayList <Double> alist3;
alist3 = new ArrayList<Double>();
alist3.add(4.5);
System.out.println(alist3);
}
}
