NodeOptional

Object
- NodeOptional

All Implemented Interfaces:

Serializable, Node
```
public class NodeOptional
extends Object
implements Node
```
Represents an grammar optional node, e.g. ( A )? or [ A ]

See Also:

Serialized Form

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  Node node
- Constructor Summary
  
  Constructors
  Constructor Description
  
  NodeOptional()
  
  NodeOptional(Node n)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void accept(Visitor v)
  
  void addNode(Node n)
  
  boolean present()
  - Methods inherited from class Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- node
```
public Node node
```

Constructor Detail

NodeOptional
```
public NodeOptional()
```

NodeOptional
```
public NodeOptional(Node n)
```

Method Detail

addNode
```
public void addNode(Node n)
```

accept
```
public void accept(Visitor v)
```
Specified by:

accept in interface Node

present
```
public boolean present()
```