org.apache.tools.ant.types.resources

## Class Difference

- java.lang.Object
- - org.apache.tools.ant.ProjectComponent
  - - org.apache.tools.ant.types.DataType
    - - org.apache.tools.ant.types.resources.BaseResourceCollectionContainer
      - - org.apache.tools.ant.types.resources.Difference

- All Implemented Interfaces:
    java.lang.Cloneable, java.lang.Iterable<Resource>, ResourceCollection

      public class Difference
      extends BaseResourceCollectionContainer

  ResourceCollection representing the difference between two or more nested ResourceCollections.
  Since:
    Ant 1.7

- - ### Field Summary

    - ### Fields inherited from class org.apache.tools.ant.types.DataType

      `checked, ref`

    - ### Fields inherited from class org.apache.tools.ant.ProjectComponent

      `description, location, project`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `Difference()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected java.util.Collection<Resource>` | `getCollection()` Calculate the difference of the nested ResourceCollections.

    - ### Methods inherited from class org.apache.tools.ant.types.resources.BaseResourceCollectionContainer

      `add, addAll, clear, clone, dieOnCircularReference, getResourceCollections, isCache, isFilesystemOnly, iterator, setCache, size, toString`

    - ### Methods inherited from class org.apache.tools.ant.types.DataType

      `checkAttributesAllowed, checkChildrenAllowed, circularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, setRefid, tooManyAttributes`

    - ### Methods inherited from class org.apache.tools.ant.ProjectComponent

      `getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject`

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

      `equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### Difference

          public Difference()

  - ### Method Detail

    - #### getCollection

          protected java.util.Collection<Resource> getCollection()

      Calculate the difference of the nested ResourceCollections.
      Specified by:
        `getCollection` in class `BaseResourceCollectionContainer`
      Returns:
        a Collection of Resources.