import java.util.ArrayList;


public class ArrayListDemo {
	public static void main(String[] args) {
		  ArrayList<Object> arl=new ArrayList<Object>();
		  Integer i1=new Integer(18);
		  Integer i2=new Integer(22);
		  Integer i3=new Integer(20);
		  Integer i4=new Integer(16);
		  String s1=" points";
		  System.out.println("Test Grade" + arl);
		  System.out.println("Sections Computed " + arl.size());
		  arl.add(i1);
		  arl.add(i2);
		  arl.add(i3);
		  arl.add(i4);
		  System.out.println("Section Grades: " + arl);
		  System.out.println("Total Sections Computed: " + arl.size());
		  Integer i5=new Integer(12);
		  arl.add(i5);
		  System.out.println("Section Grades: " + arl);
		  System.out.println("Total Sections Computed: " + arl.size());
		  arl.remove(3);
		  Object a=arl.clone();
		  System.out.println("The Clone Section is: " + a); 
		  System.out.println("Section Grades: " + arl);
		  System.out.println("Total Sections Computed: " + arl.size());
		  System.out.println(i1 + i2 + i3 + i5 + s1);
		  }
}