Complex sentence: However, random or pseudorandom hash values may be used when hashing objects by their identity rather than by their value, as is done using linear probing by the IdentityHashMap class of the Java collections framework.
Split into simpler sentences: However, random or pseudorandom hash values may be used when hashing objects by their identity rather than by their value. For instance, this is done using linear probing by the IdentityHashMap class of the Java collections framework.