public class ComparableTest {

    public static void main(String[] args) {
    
        Comparable[] a = new Comparable[3];
	a[0] = new Integer(0);
	a[1] = new String("hi");
	a[2] = new Integer(2);
	Comparable test = new Integer(1);
	
	for (int i=0 ; i < a.length ; i++)
	    if(a[i] instanceof Integer) // what happens if not include this?
		System.out.println(test.compareTo(a[i]));
	
	Comparable[] b = new Integer[3];
	b[0] = new Integer(0);
	// b[1] = new String("hi"); // what happens if include this?
	b[2] = new Integer(2);
	for (int i=0 ; i < b.length ; i++)
	    System.out.println(b[i]);

	Integer[] c = new Integer[2];
	c[0] = new Integer(0);
	c[1] = new Integer(1);
	Comparable t1 = new Integer(1);
	Integer t2 = new Integer(1);
	for (int i=0 ; i < c.length ; i++) {
	    System.out.println(t1.compareTo(c[i]));
	    System.out.println(t2.compareTo(c[i]));
	}
	
    }
    
}