All Classes and Interfaces

Class	Description
AbstractRefCounted	A basic RefCounted implementation that is initialized with a ref count of 1 and calls AbstractRefCounted.closeInternal() once it reaches a 0 ref count.
Booleans
CharArrays	Helper class similar to Arrays to handle conversions for Char arrays
CheckedConsumer<T,E extends Exception>	A Consumer-like interface which allows throwing checked exceptions.
CheckedFunction<T,R,E extends Exception>	A Function-like interface which allows throwing checked exceptions.
CheckedRunnable<E extends Exception>	A Runnable-like interface which allows throwing checked exceptions.
CompletableContext<T>	A thread-safe completable context that allows listeners to be attached.
ESSloppyMath	Similar to Lucene's SloppyMath, but for additional math functions.
Glob	Utility class for glob-like matching
IOUtils	Utilities for common I/O methods.
JarHell	Simple check for duplicate class files across the classpath.
JavaVersion
JdkJarHellCheck
List
Map
MemoizedSupplier<T>
NetUtils	Utilities for network-related methods.
Nullable	The presence of this annotation on a method parameter indicates that null is an acceptable value for that parameter.
PathUtils	Utilities for creating a Path from names, or accessing the default FileSystem.
RefCounted	An interface for objects that need to be notified when all reference to itself are not in user anymore.
Releasable	Specialization of Closeable that may only throw a RuntimeException.
Releasables	Utility methods to work with Releasables.
RestApiVersion	Vestigial marker to make v8-style version-aware routing backportable to 7.x.
Set
Streams	Simple utility methods for file and stream copying.
SuppressForbidden	Annotation to suppress forbidden-apis errors inside a whole class, a method, or a field.
TimeValue
Tuple<V1,V2>
Types	Contains utilities for working with Java types.