Uses of Package
java.lang.ref

Packages that use java.lang.ref

java.lang.ref	Low level manipulation and monitoring of object references.
sun.java2d

Classes in java.lang.ref used by java.lang.ref

Reference
Reference is the common abstract super class for reference types WeakReference, SoftReference and PhantomReference.

ReferenceQueue
ReferenceQueue is a list of (weak, soft or phantom) references that where cleared by the garbage collector.

Classes in java.lang.ref used by sun.java2d

Reference
Reference is the common abstract super class for reference types WeakReference, SoftReference and PhantomReference.

ReferenceQueue
ReferenceQueue is a list of (weak, soft or phantom) references that where cleared by the garbage collector.