import java.util.ArrayList;

/**
 * Write a description of class ArrayListTest here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class ArrayListTest
{
    public static void main() {
        
        ArrayList<Circle> c = new ArrayList<>() ;
        System.out.println("Num Circles: " +  c.size() + "\n");
        
        
        
        Circle small = new Circle(30,100,100);
        Circle medium = new Circle(60,120,120);
        Circle big = new Circle(120,200,200);
     
        c.add(small);
        c.add(medium);
        
        for(Circle x : c)
           System.out.println(x);
        System.out.println("Num Circles: " +  c.size());
        System.out.println();
        
        
        
    
        
        c.add(c.size(),big);    
        
        for(int i=0; i< c.size(); i++)
            System.out.println(c.get(i));
       
        System.out.println("==================================\n");    
            
        System.out.println("Autoboxing test");

        ArrayList<Integer> b = new ArrayList<>();

        b.add(1);           // autoboxes 3 using new Integer(3);
        b.add(-1);
        b.add(2);
        b.add(4);

        int sum = 0;
        for (Integer e : b) {
            sum += e;       // unboxes e using e.intValue()
        }
        System.out.println("sum = " + sum);
    
            
    }
}