public interface gj.util.Enumeration<A>

java.lang.Object
   |
   +----gj.util.Enumeration<A>

public interface Enumeration<A>

The Enumeration interface specifies a set of methods that may be used to enumerate, or count through, a set of values. The enumeration is consumed by use; its values may only be counted once.

For example, to print all elements of a Vector v:

	for (Enumeration e = v.elements() ; e.hasMoreElements() ;) {
	    System.out.println(e.nextElement());
	}
 

See also:

Vector, Hashtable

hasMoreElements()

Returns true if the enumeration contains more elements; false if its empty.

nextElement()

Returns the next element of the enumeration

public abstract boolean hasMoreElements();

Returns true if the enumeration contains more elements; false if its empty.

nextElement

public abstract A nextElement();

Returns the next element of the enumeration. Calls to this method will enumerate successive elements.

Throws:

NoSuchElementException -If no more elements exist.

gj.util.Enumeration.html