# Hierarchy For Package java.lang.ref

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.lang.ref.Reference<T>
    - java.lang.ref.PhantomReference<T>
    - java.lang.ref.SoftReference<T>
    - java.lang.ref.WeakReference<T>
  - java.lang.ref.ReferenceQueue<T>

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