NodeListOptional

Object
- NodeListOptional

All Implemented Interfaces:

Serializable, Node, NodeListInterface
```
public class NodeListOptional
extends Object
implements NodeListInterface
```
Represents an optional grammar list, e.g. ( A )*

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

Vector<Node> nodes

Constructor Summary

Constructors
Constructor Description

NodeListOptional()

NodeListOptional(Node firstNode)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(Visitor v)`
`void`	`addNode(Node n)`
`Node`	`elementAt(int i)`
`Enumeration<Node>`	`elements()`
`boolean`	`present()`
`int`	`size()`

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

- Field Detail
  - nodes
```
public Vector<Node> nodes
```
- Constructor Detail
  - NodeListOptional
```
public NodeListOptional()
```
  - NodeListOptional
```
public NodeListOptional(Node firstNode)
```
- Method Detail
  - addNode
```
public void addNode(Node n)
```
    Specified by:
    
    addNode in interface NodeListInterface
  - elements
```
public Enumeration<Node> elements()
```
    Specified by:
    
    elements in interface NodeListInterface
  - elementAt
```
public Node elementAt(int i)
```
    Specified by:
    
    elementAt in interface NodeListInterface
  - size
```
public int size()
```
    Specified by:
    
    size in interface NodeListInterface
  - present
```
public boolean present()
```
  - accept
```
public void accept(Visitor v)
```
    Specified by:
    
    accept in interface Node