EmptyEnumeration

java.lang.Object
- de.intarsys.tools.collection.EmptyEnumeration

All Implemented Interfaces:: java.util.Enumeration

public class EmptyEnumeration
extends java.lang.Object
implements java.util.Enumeration

An Enumeration without elements.

Field Summary

Fields
Modifier and Type Field Description

static java.util.Enumeration UNIQUE

Constructor Summary

Constructors
Modifier Constructor Description

protected EmptyEnumeration()
Create an emtpy enumeration

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`hasMoreElements()`	Return always false as an emtpy enumeration has no elements.
`java.lang.Object`	`nextElement()`	Throw always exception, as an empty enumeration has no elements.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Enumeration
asIterator

- Field Detail
  - UNIQUE
```
public static final java.util.Enumeration UNIQUE
```
- Constructor Detail
  - EmptyEnumeration
```
protected EmptyEnumeration()
```
    Create an emtpy enumeration
- Method Detail
  - hasMoreElements
```
public boolean hasMoreElements()
```
    Return always false as an emtpy enumeration has no elements.
    
    Specified by:
    
    hasMoreElements in interface java.util.Enumeration
    
    Returns:
    
    Return always false as an emtpy enumeration has no elements.
  - nextElement
```
public java.lang.Object nextElement()
```
    Throw always exception, as an empty enumeration has no elements.
    
    Specified by:
    
    nextElement in interface java.util.Enumeration
    
    Returns:
    
    never
    
    Throws:
    
    java.util.NoSuchElementException - Is thrown always