Package org.apache.commons.configuration2.interpol

# Class ExprLookup.Variables

java.lang.Object
java.util.AbstractCollection<ExprLookup.Variable>
java.util.AbstractList<ExprLookup.Variable>
java.util.ArrayList<ExprLookup.Variable>
org.apache.commons.configuration2.interpol.ExprLookup.Variables

All Implemented Interfaces:
  `Serializable`, `Cloneable`, `Iterable<ExprLookup.Variable>`, `Collection<ExprLookup.Variable>`, `List<ExprLookup.Variable>`, `RandomAccess`

Enclosing class:
  `ExprLookup`

public static class ExprLookup.Variables extends ArrayList<ExprLookup.Variable>
List wrapper used to allow the Variables list to be created as beans in DefaultConfigurationBuilder.

See Also:
  - Serialized Form

- ## Field Summary

  ### Fields inherited from class java.util.AbstractList

  `modCount`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `Variables()`
  Creates a new empty instance of `Variables`.
  `Variables(ExprLookup.Variables vars)`
  Creates a new instance of `Variables` and copies the content of the given object.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `ExprLookup.Variable`
  `getVariable()`
  Gets the variable or null if empty.

  ### Methods inherited from class java.util.ArrayList

  `add, add, addAll, addAll, clear, clone, contains, ensureCapacity, forEach, get, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeIf, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize`

  ### Methods inherited from class java.util.AbstractList

  `equals, hashCode`

  ### Methods inherited from class java.util.AbstractCollection

  `containsAll, toString`

  ### Methods inherited from class java.lang.Object

  `finalize, getClass, notify, notifyAll, wait, wait, wait`

  ### Methods inherited from interface java.util.Collection

  `parallelStream, stream`

  ### Methods inherited from interface java.util.List

  `containsAll, equals, hashCode`

- ## Constructor Details

  - ### Variables

    public Variables()
    Creates a new empty instance of `Variables`.

  - ### Variables

    public Variables(ExprLookup.Variables vars)
    Creates a new instance of `Variables` and copies the content of the given object.
    Parameters:
      `vars` - the `Variables` object to be copied

- ## Method Details

  - ### getVariable

    public ExprLookup.Variable getVariable()
    Gets the variable or null if empty.
    Returns:
      the variable or null if empty.