import java.util.Enumeration;

class TestAufgabe2 {
    public static void main(String[] args) {
	ObjectCollection listCollection = new ObjectList();
	ObjectCollection setCollection = new ObjectSet();

	for(int i = 0; i < 10; i++) {
	    listCollection.add(new Integer(i % 5));
	    setCollection.add(new Integer(i % 5));
	}

	System.out.println();
	String str = "listCollection = [";
	Enumeration e = listCollection.elements();
	while(e.hasMoreElements()) {
	    str += e.nextElement().toString();
	    if (e.hasMoreElements())
		str += ", ";
	}
	System.out.println(str + "]");
	
	str = "setCollection = [";
	e = setCollection.elements();
	while(e.hasMoreElements()) {
	    str += e.nextElement().toString();
	    if (e.hasMoreElements())
		str += ", ";
	}
	System.out.println(str + "]");
	System.out.println();

	System.out.println("listCollection.size() = " + listCollection.size());
	System.out.println("setCollection.size() = " + setCollection.size());
	System.out.println();
	
	Integer int0 = new Integer(0);

	System.out.println("listCollection.contains(0) = " + listCollection.contains(int0));
	System.out.println("setCollection.contains(0) = " + setCollection.contains(int0));
	System.out.println();

	listCollection.remove(int0);
	setCollection.remove(int0);

	System.out.println("listCollection.remove(0)");
	System.out.println("setCollection.remove(0)");
	System.out.println();

	System.out.println("listCollection.contains(0) = " + listCollection.contains(int0));
	System.out.println("setCollection.contains(0) = " + setCollection.contains(int0));
	System.out.println();

	System.out.println("listCollection.size() = " + listCollection.size());
	System.out.println("setCollection.size() = " + setCollection.size());
	System.out.println();

	str = "listCollection = [";
	e = listCollection.elements();
	while(e.hasMoreElements()) {
	    str += e.nextElement().toString();
	    if (e.hasMoreElements())
		str += ", ";
	}
	System.out.println(str + "]");
	    
	str = "setCollection = [";
	e = setCollection.elements();
	while(e.hasMoreElements()) {
	    str += e.nextElement().toString();
	    if (e.hasMoreElements())
		str += ", ";
	}
	System.out.println(str + "]");
	System.out.println();
    }
}