# Hierarchy For Package com.opensymphony.xwork2.inject.util

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.lang.ref.Reference<T>
    - java.lang.ref.PhantomReference<T>
      - com.opensymphony.xwork2.inject.util.FinalizablePhantomReference<T>
    - java.lang.ref.SoftReference<T>
      - com.opensymphony.xwork2.inject.util.FinalizableSoftReference<T>
    - java.lang.ref.WeakReference<T>
      - com.opensymphony.xwork2.inject.util.FinalizableWeakReference<T>
  - com.opensymphony.xwork2.inject.util.ReferenceMap<K,V> (implements java.util.Map<K,V>, java.io.Serializable)
    - com.opensymphony.xwork2.inject.util.ReferenceCache<K,V>
  - java.lang.ref.ReferenceQueue<T>
    - com.opensymphony.xwork2.inject.util.FinalizableReferenceQueue
  - com.opensymphony.xwork2.inject.util.Strings

## Interface Hierarchy

- com.opensymphony.xwork2.inject.util.Function<F,T>
- com.opensymphony.xwork2.inject.util.ReferenceMap.Strategy

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - com.opensymphony.xwork2.inject.util.ReferenceType

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