package

com.facebook.common.util

Classes

ByteConstants  
HashCodeUtil Provides implementation of hashCode for compound objects. 
Hex Basic hex operations: from byte array to string and vice versa. 
SecureHashUtil Static methods for secure hashing. 
StreamUtil Utility method for dealing with Streams. 
UriUtil  

Enums

TriState Generic tri-state enum for boolean values that can also be unset. 

Exceptions

ExceptionWithNoStacktrace Instantiate an exception with an empty stacktrace.