All Classes (Lang 3.12)

All Classes Interface Summary Class Summary Enum Summary Exception Summary Annotation Types Summary
Class	Description
AbstractCircuitBreaker<T>	Base class for circuit breakers.
AbstractCircuitBreaker.State	An internal enumeration representing the different states of a circuit breaker.
AbstractConcurrentInitializer<T,E extends java.lang.Exception>	Abstracts and defines operations for `ConcurrentInitializer` implementations.
AbstractConcurrentInitializer.AbstractBuilder<I extends AbstractConcurrentInitializer<T,E>,T,B extends AbstractConcurrentInitializer.AbstractBuilder<I,T,B,E>,E extends java.lang.Exception>	Builds a new instance for subclasses.
AbstractFutureProxy<V>	Proxies to a `Future` for subclassing.
AbstractSupplier<T,B extends AbstractSupplier<T,B,E>,E extends java.lang.Throwable>	Abstracts supplying an instance of `T`.
AggregateTranslator	Deprecated. As of 3.6, use Apache Commons Text AggregateTranslator.
AnnotationUtils	Helper methods for working with `Annotation` instances.
AppendableJoiner<T>	Joins an array or `Iterable` into an existing `Appendable` like a `StringBuilder`; with the goal for call sites to avoid creating intermediary Strings.
AppendableJoiner.Builder<T>	Builds instances of `AppendableJoiner`.
ArchUtils	Provides methods for identifying the architecture of the current JVM based on the `"os.arch"` system property.
ArrayFill	Fills and returns arrays in the fluent style.
ArraySorter	Sorts and returns arrays in the fluent style.
ArrayUtils	Operations on arrays, primitive arrays (like `int[]`) and primitive wrapper arrays (like `Integer[]`).
AtomicInitializer<T>	A specialized implementation of the `ConcurrentInitializer` interface based on an `AtomicReference` variable.
AtomicInitializer.Builder<I extends AtomicInitializer<T>,T>	Builds a new instance.
AtomicSafeInitializer<T>	A specialized `ConcurrentInitializer` implementation which is similar to `AtomicInitializer`, but ensures that the `AbstractConcurrentInitializer.initialize()` method is called only once.
AtomicSafeInitializer.Builder<I extends AtomicSafeInitializer<T>,T>	Builds a new instance.
BackgroundInitializer<T>	A class that allows complex initialization operations in a background task.
BackgroundInitializer.Builder<I extends BackgroundInitializer<T>,T>	Builds a new instance.
BasicThreadFactory	An implementation of the `ThreadFactory` interface that provides some configuration options for the threads it creates.
BasicThreadFactory.Builder	A builder class for creating instances of `BasicThreadFactory`.
BitField	Supports operations on bit-mapped fields.
BooleanConsumer	A functional interface like `IntConsumer` but for `boolean`.
BooleanUtils	Operations on boolean primitives and Boolean objects.
Builder<T>	The Builder interface is designed to designate a class as a builder object in the Builder design pattern.
CalendarUtils	Helps use `Calendar`s.
CallableBackgroundInitializer<T>	A specialized `BackgroundInitializer` implementation that wraps a `Callable` object.
CharEncoding	Deprecated. Java 7 introduced `StandardCharsets`, which defines these constants as `Charset` objects.
CharSequenceTranslator	Deprecated. As of 3.6, use Apache Commons Text CharSequenceTranslator.
CharSequenceUtils	Operations on `CharSequence` that are `null` safe.
CharSet	A set of characters.
CharSetUtils	Operations on `CharSet` instances.
CharUtils	Operations on char primitives and Character objects.
CircuitBreaker<T>	An interface describing a Circuit Breaker component.
CircuitBreakingException	An exception class used for reporting runtime error conditions related to circuit breakers.
ClassLoaderUtils	Helps work with `ClassLoader`.
ClassPathUtils	Operations regarding the classpath.
ClassUtils	Operates on classes without using reflection.
ClassUtils.Interfaces	Inclusivity literals for `ClassUtils.hierarchy(Class, Interfaces)`.
CloneFailedException	Exception thrown when a clone cannot be created.
CodePointTranslator	Deprecated. As of 3.6, use Apache Commons Text CharSequenceTranslator.
ComparableUtils	Helper translating `Comparable.compareTo(T)` results to booleans.
ComparableUtils.ComparableCheckBuilder<A extends java.lang.Comparable<A>>	Compares objects of a given generic type `A`.
CompareToBuilder	Assists in implementing `Comparable.compareTo(Object)` methods.
CompositeFormat	Deprecated. As of 3.6, use Apache Commons Text CompositeFormat.
Computable<I,O>	Definition of an interface for a wrapper around a calculation that takes a single parameter and returns a result.
ConcurrentException	An exception class used for reporting error conditions related to accessing data of background tasks.
ConcurrentInitializer<T>	Defines the thread-safe initialization of objects.
ConcurrentRuntimeException	An exception class used for reporting runtime error conditions related to accessing data of background tasks.
ConcurrentUtils	A utility class providing functionality related to the `java.util.concurrent` package.
ConstantInitializer<T>	A very simple implementation of the `ConcurrentInitializer` interface which always returns the same object.
ConstructorUtils	Utility reflection methods focused on constructors, modeled after `MethodUtils`.
Consumers	Provides `Consumer` instances.
ContextedException	An exception that provides an easy and safe way to add contextual information.
ContextedRuntimeException	A runtime exception that provides an easy and safe way to add contextual information.
Conversion	Static methods to convert a type into another, with endianness and bit ordering awareness.
DateFormatUtils	Date and time formatting utilities and constants.
DateParser	DateParser is the "missing" interface for the parsing methods of `DateFormat`.
DatePrinter	DatePrinter is the "missing" interface for the format methods of `DateFormat`.
DateUtils	A suite of utilities surrounding the use of the `Calendar` and `Date` object.
DefaultExceptionContext	Default implementation of the context storing the label-value pairs for contexted exceptions.
Diff<T>	A `Diff` contains the differences between two `Diffable` class fields.
Diffable<T>	`Diffable` classes can be compared with other objects for differences.
DiffBuilder<T>	Assists in implementing `Diffable.diff(Object)` methods.
DiffBuilder.Builder<T>	Constructs a new instance.
DiffExclude	Excludes a field from being used by the `ReflectionDiffBuilder`.
DiffResult<T>	A `DiffResult` contains a collection of the differences between two `Diffable` objects.
DoubleRange	Specializes `NumberRange` for `Double`s.
DurationFormatUtils	Duration formatting utilities and constants.
DurationUtils	Utilities for `Duration`.
EntityArrays	Deprecated. As of 3.6, use Apache Commons Text EntityArrays.
EnumUtils	Provides methods for Java enums.
EqualsBuilder	Assists in implementing `Object.equals(Object)` methods.
EqualsExclude	Excludes a field from being used by the various `reflectionEquals` methods defined on `EqualsBuilder`.
EventCountCircuitBreaker	A simple implementation of the Circuit Breaker pattern that counts specific events.
EventListenerSupport<L>	Manages a list of event listeners of a given generic type.
EventUtils	Provides some useful event-based utility methods.
ExceptionContext	Allows the storage and retrieval of contextual information based on label-value pairs for exceptions.
ExceptionUtils	Provides utilities for manipulating and examining `Throwable` objects.
ExtendedMessageFormat	Deprecated. As of 3.6, use Apache Commons Text ExtendedMessageFormat.
Failable	This class provides utility functions, and classes for working with the `java.util.function` package, or more generally, with Java 8 lambdas.
FailableBiConsumer<T,U,E extends java.lang.Throwable>	A functional interface like `BiConsumer` that declares a `Throwable`.
FailableBiFunction<T,U,R,E extends java.lang.Throwable>	A functional interface like `BiFunction` that declares a `Throwable`.
FailableBiPredicate<T,U,E extends java.lang.Throwable>	A functional interface like `BiPredicate` that declares a `Throwable`.
FailableBooleanSupplier<E extends java.lang.Throwable>	A functional interface like `BooleanSupplier` that declares a `Throwable`.
FailableCallable<R,E extends java.lang.Throwable>	A functional interface like `Callable` that declares a `Throwable`.
FailableConsumer<T,E extends java.lang.Throwable>	A functional interface like `Consumer` that declares a `Throwable`.
FailableDoubleBinaryOperator<E extends java.lang.Throwable>	A functional interface like `DoubleBinaryOperator` that declares a `Throwable`.
FailableDoubleConsumer<E extends java.lang.Throwable>	A functional interface like `DoubleConsumer` that declares a `Throwable`.
FailableDoubleFunction<R,E extends java.lang.Throwable>	A functional interface like `DoubleFunction` that declares a `Throwable`.
FailableDoublePredicate<E extends java.lang.Throwable>	A functional interface like `DoublePredicate` that declares a `Throwable`.
FailableDoubleSupplier<E extends java.lang.Throwable>	A functional interface like `DoubleSupplier` that declares a `Throwable`.
FailableDoubleToIntFunction<E extends java.lang.Throwable>	A functional interface like `DoubleToIntFunction` that declares a `Throwable`.
FailableDoubleToLongFunction<E extends java.lang.Throwable>	A functional interface like `DoubleToLongFunction` that declares a `Throwable`.
FailableDoubleUnaryOperator<E extends java.lang.Throwable>	A functional interface like `DoubleUnaryOperator` that declares a `Throwable`.
FailableFunction<T,R,E extends java.lang.Throwable>	A functional interface like `Function` that declares a `Throwable`.
FailableIntBinaryOperator<E extends java.lang.Throwable>	A functional interface like `IntBinaryOperator` that declares a `Throwable`.
FailableIntConsumer<E extends java.lang.Throwable>	A functional interface like `IntConsumer` that declares a `Throwable`.
FailableIntFunction<R,E extends java.lang.Throwable>	A functional interface like `IntFunction` that declares a `Throwable`.
FailableIntPredicate<E extends java.lang.Throwable>	A functional interface like `IntPredicate` that declares a `Throwable`.
FailableIntSupplier<E extends java.lang.Throwable>	A functional interface like `IntSupplier` that declares a `Throwable`.
FailableIntToDoubleFunction<E extends java.lang.Throwable>	A functional interface like `IntToDoubleFunction` that declares a `Throwable`.
FailableIntToFloatFunction<E extends java.lang.Throwable>	A functional interface like `IntToDoubleFunction` but for `float` that declares a `Throwable`.
FailableIntToLongFunction<E extends java.lang.Throwable>	A functional interface like `IntToLongFunction` that declares a `Throwable`.
FailableIntUnaryOperator<E extends java.lang.Throwable>	A functional interface like `IntUnaryOperator` that declares a `Throwable`.
FailableLongBinaryOperator<E extends java.lang.Throwable>	A functional interface like `LongBinaryOperator` that declares a `Throwable`.
FailableLongConsumer<E extends java.lang.Throwable>	A functional interface like `LongConsumer` that declares a `Throwable`.
FailableLongFunction<R,E extends java.lang.Throwable>	A functional interface like `LongFunction` that declares a `Throwable`.
FailableLongPredicate<E extends java.lang.Throwable>	A functional interface like `LongPredicate` that declares a `Throwable`.
FailableLongSupplier<E extends java.lang.Throwable>	A functional interface like `LongSupplier` that declares a `Throwable`.
FailableLongToDoubleFunction<E extends java.lang.Throwable>	A functional interface like `LongToDoubleFunction` that declares a `Throwable`.
FailableLongToIntFunction<E extends java.lang.Throwable>	A functional interface like `LongToIntFunction` that declares a `Throwable`.
FailableLongUnaryOperator<E extends java.lang.Throwable>	A functional interface like `LongUnaryOperator` that declares a `Throwable`.
FailableObjDoubleConsumer<T,E extends java.lang.Throwable>	A functional interface like `ObjDoubleConsumer` that declares a `Throwable`.
FailableObjIntConsumer<T,E extends java.lang.Throwable>	A functional interface like `ObjIntConsumer` that declares a `Throwable`.
FailableObjLongConsumer<T,E extends java.lang.Throwable>	A functional interface like `ObjLongConsumer` that declares a `Throwable`.
FailablePredicate<T,E extends java.lang.Throwable>	A functional interface like `Predicate` that declares a `Throwable`.
FailableRunnable<E extends java.lang.Throwable>	A functional interface like `Runnable` that declares a kind of `Throwable`.
FailableShortSupplier<E extends java.lang.Throwable>	A functional interface like `IntSupplier` but for `short` that declares a `Throwable`.
FailableSupplier<T,E extends java.lang.Throwable>	A functional interface like `Supplier` that declares a `Throwable`.
FailableToBooleanFunction<T,E extends java.lang.Throwable>	A functional interface like a `ToBooleanFunction` that declares a `Throwable`.
FailableToDoubleBiFunction<T,U,E extends java.lang.Throwable>	A functional interface like `ToDoubleBiFunction` that declares a `Throwable`.
FailableToDoubleFunction<T,E extends java.lang.Throwable>	A functional interface like `ToDoubleFunction` that declares a `Throwable`.
FailableToIntBiFunction<T,U,E extends java.lang.Throwable>	A functional interface like `ToIntBiFunction` that declares a `Throwable`.
FailableToIntFunction<T,E extends java.lang.Throwable>	A functional interface like `ToIntFunction` that declares a `Throwable`.
FailableToLongBiFunction<T,U,E extends java.lang.Throwable>	A functional interface like `ToLongBiFunction` that declares a `Throwable`.
FailableToLongFunction<T,E extends java.lang.Throwable>	A functional interface like `ToLongFunction` that declares a `Throwable`.
FastDateFormat	FastDateFormat is a fast and thread-safe version of `SimpleDateFormat`.
FastDateParser	FastDateParser is a fast and thread-safe version of `SimpleDateFormat`.
FastDatePrinter	FastDatePrinter is a fast and thread-safe version of `SimpleDateFormat`.
FastTimeZone	Faster methods to produce custom time zones.
FieldUtils	Utilities for working with `Field`s by reflection.
FluentBitSet	A fluent `BitSet` with additional operations.
FormatFactory	Deprecated. As of 3.6, use Apache Commons Text FormatFactory.
FormattableUtils	Deprecated. As of 3.6, use Apache Commons Text FormattableUtils.
Fraction	`Fraction` is a `Number` implementation that stores fractions accurately.
Functions	Factory for `Function`.
Functions	Deprecated. Use `Failable`.
Functions.FailableBiConsumer<O1,O2,T extends java.lang.Throwable>	Deprecated. Use `FailableBiConsumer`.
Functions.FailableBiFunction<O1,O2,R,T extends java.lang.Throwable>	Deprecated. Use `FailableBiFunction`.
Functions.FailableBiPredicate<O1,O2,T extends java.lang.Throwable>	Deprecated. Use `FailableBiPredicate`.
Functions.FailableCallable<R,T extends java.lang.Throwable>	Deprecated. Use `FailableCallable`.
Functions.FailableConsumer<O,T extends java.lang.Throwable>	Deprecated. Use `FailableConsumer`.
Functions.FailableFunction<I,R,T extends java.lang.Throwable>	Deprecated. Use `FailableFunction`.
Functions.FailablePredicate<I,T extends java.lang.Throwable>	Deprecated. Use `FailablePredicate`.
Functions.FailableRunnable<T extends java.lang.Throwable>	Deprecated. Use `FailableRunnable`.
Functions.FailableSupplier<R,T extends java.lang.Throwable>	Deprecated. Use `FailableSupplier`.
FutureTasks	Consists of utility methods that work with `FutureTask`.
HashCodeBuilder	Assists in implementing `Object.hashCode()` methods.
HashCodeExclude	Exclude a field from being used by the various `reflectionHashcode` methods defined on `HashCodeBuilder`.
IEEE754rUtils	Provides IEEE-754r variants of NumberUtils methods.
ImmutablePair<L,R>	An immutable pair consisting of two `Object` elements.
ImmutableTriple<L,M,R>	An immutable triple consisting of three `Object` elements.
InheritanceUtils	Utility methods focusing on inheritance.
IntegerRange	Specializes `NumberRange` for `Integer`s.
IntStreams	Factory for `IntStream`.
IntToCharFunction	Represents a function that accepts an int-valued argument and produces a char-valued result.
IterableStringTokenizer	A `StringTokenizer` that implements `Iterable<String>` and conversion methods `toList()` and `toStream()`.
JavaUnicodeEscaper	Deprecated. As of 3.6, use Apache Commons Text UnicodeEscaper.
JavaVersion	An enum representing all the versions of the Java specification.
LangCollectors	Implementations of `Collector` that implement various reduction operations.
LazyInitializer<T>	This class provides a generic implementation of the lazy initialization pattern.
LazyInitializer.Builder<I extends LazyInitializer<T>,T>	Builds a new instance.
LocaleUtils	Operations to assist when working with a `Locale`.
LockingVisitors	Combines the monitor and visitor pattern to work with `Lock`s as an alternative to synchronization.
LockingVisitors.LockVisitor<O,L>	Wraps a domain object and a lock for access by lambdas.
LockingVisitors.LockVisitor.LVBuilder<O,L,B extends LockingVisitors.LockVisitor.LVBuilder<O,L,B>>	Builds `LockingVisitors.LockVisitor` instances.
LockingVisitors.ReadWriteLockVisitor<O>	Wraps a `ReadWriteLock` and object to protect.
LockingVisitors.ReadWriteLockVisitor.Builder<O>	Builds `LockingVisitors.LockVisitor` instances.
LockingVisitors.ReentrantLockVisitor<O>	Wraps a `ReentrantLock` and object to protect.
LockingVisitors.ReentrantLockVisitor.Builder<O>	Builds `LockingVisitors.LockVisitor` instances.
LockingVisitors.StampedLockVisitor<O>	Wraps a `StampedLock` and object to protect.
LockingVisitors.StampedLockVisitor.Builder<O>	Builds `LockingVisitors.LockVisitor` instances.
LongRange	Specializes `NumberRange` for `Long`s.
LookupTranslator	Deprecated. As of 3.6, use Apache Commons Text LookupTranslator.
Memoizer<I,O>	Definition of an interface for a wrapper around a calculation that takes a single parameter and returns a result.
MethodInvokers	Converts `Method` objects to lambdas.
MethodUtils	Utility reflection methods focused on `Method`s, originally from Commons BeanUtils.
MultiBackgroundInitializer	A specialized `BackgroundInitializer` implementation that can deal with multiple background initialization tasks.
MultiBackgroundInitializer.MultiBackgroundInitializerResults	A data class for storing the results of the background initialization performed by `MultiBackgroundInitializer`.
MultilineRecursiveToStringStyle	Works with `ToStringBuilder` to create a "deep" `toString`.
Mutable<T>	Provides mutable access to a value.
MutableBoolean	A mutable `boolean` wrapper.
MutableByte	A mutable `byte` wrapper.
MutableDouble	A mutable `double` wrapper.
MutableFloat	A mutable `float` wrapper.
MutableInt	A mutable `int` wrapper.
MutableLong	A mutable `long` wrapper.
MutableObject<T>	A mutable `Object` wrapper.
MutablePair<L,R>	A mutable pair consisting of two `Object` elements.
MutableShort	A mutable `short` wrapper.
MutableTriple<L,M,R>	A mutable triple consisting of three `Object` elements.
NotImplementedException	Thrown to indicate that a block of code has not been implemented.
NumberRange<N extends java.lang.Number>	Specializes `Range` for `Number`s.
NumberUtils	Provides extra functionality for Java Number classes.
NumericEntityEscaper	Deprecated. As of 3.6, use Apache Commons Text NumericEntityEscaper.
NumericEntityUnescaper	Deprecated. As of 3.6, use Apache Commons Text NumericEntityUnescaper.
NumericEntityUnescaper.OPTION	Deprecated. As of 3.18.0, use Apache Commons Text NumericEntityUnescaper.OPTION.
ObjectToStringComparator	Compares Object's `Object.toString()` values.
ObjectUtils	Operations on `Object`.
ObjectUtils.Null	Class used as a null placeholder where `null` has another meaning.
OctalUnescaper	Deprecated. As of 3.6, use Apache Commons Text OctalUnescaper.
Pair<L,R>	A pair consisting of two elements.
Predicates	Factory for `Predicate`.
Processor	The `Processor` represents a microprocessor and defines some properties like architecture and type of the microprocessor.
Processor.Arch	The `Processor.Arch` enum defines the architecture of a microprocessor.
Processor.Type	The `Processor.Type` enum defines types of a microprocessor.
RandomStringUtils	Generates random `String`s.
RandomUtils	Supplements the standard `Random` class.
Range<T>	An immutable range of objects from a minimum to maximum point inclusive.
RecursiveToStringStyle	Works with `ToStringBuilder` to create a "deep" `toString`.
ReflectionDiffBuilder<T>	Assists in implementing `Diffable.diff(Object)` methods.
ReflectionDiffBuilder.Builder<T>	Constructs a new instance.
ReflectionToStringBuilder	Assists in implementing `Object.toString()` methods using reflection.
RegExUtils	Helpers to process Strings using regular expressions.
RuntimeEnvironment	Helps query the runtime environment.
SerializationException	Exception thrown when the Serialization process fails.
SerializationUtils	Assists with the serialization process and performs additional functionality based on serialization.
StandardToStringStyle	Works with `ToStringBuilder` to create a `toString`.
StopWatch	`StopWatch` provides a convenient API for timings.
StrBuilder	Deprecated. As of 3.6, use Apache Commons Text TextStringBuilder.
Streams	Provides utility functions, and classes for working with the `java.util.stream` package, or more generally, with Java 8 lambdas.
Streams	Deprecated. Use `Streams`.
Streams.ArrayCollector<E>	A Collector type for arrays.
Streams.ArrayCollector<O>	Deprecated. Use `Streams.ArrayCollector`.
Streams.FailableStream<T>	A reduced, and simplified version of a `Stream` with failable method signatures.
Streams.FailableStream<O>	Deprecated. Use `Streams.FailableStream`.
StringEscapeUtils	Deprecated. As of 3.6, use Apache Commons Text StringEscapeUtils instead
Strings	String operations where you choose case-sensitive `Strings.CS` vs.
Strings.Builder	Builds `Strings` instances.
StringUtils	Operations on `String` that are `null` safe.
StrLookup<V>	Deprecated. As of 3.6, use Apache Commons Text StringLookupFactory.
StrMatcher	Deprecated. As of 3.6, use Apache Commons Text StringMatcherFactory.
StrSubstitutor	Deprecated. As of 3.6, use Apache Commons Text StringSubstitutor.
StrTokenizer	Deprecated. As of 3.6, use Apache Commons Text StringTokenizer.
Suppliers	Helps use `Supplier`.
SystemProperties	Accesses current system property names and values.
SystemUtils	Helpers for `System`.
ThreadUtils	Helpers for `Thread` and `ThreadGroup`.
ThreadUtils.NamePredicate	Deprecated. Use a `Predicate`.
ThreadUtils.ThreadGroupPredicate	Deprecated. Use a `Predicate`.
ThreadUtils.ThreadIdPredicate	Deprecated. Use a `Predicate`.
ThreadUtils.ThreadPredicate	Deprecated. Use a `Predicate`.
ThresholdCircuitBreaker	A simple implementation of the Circuit Breaker pattern that opens if the requested increment amount is greater than a given threshold.
TimedSemaphore	A specialized semaphore implementation that provides a number of permits in a given time frame.
TimeZones	Helps to deal with `TimeZone`s.
ToBooleanBiFunction<T,U>	A function that accepts two arguments and produces a boolean result.
ToStringBuilder	Assists in implementing `Object.toString()` methods.
ToStringExclude	Excludes a field from being used by the `ReflectionToStringBuilder`.
ToStringStyle	Controls `String` formatting for `ToStringBuilder`.
ToStringSummary	Use this annotation on the fields to get the summary instead of the detailed information when using `ReflectionToStringBuilder`.
TriConsumer<T,U,V>	Represents an operation that accepts three input arguments and returns no result.
TriFunction<T,U,V,R>	Represents a function that accepts three arguments and produces a result.
Triple<L,M,R>	A triple consisting of three elements.
Typed<T>	Generalization of "has a type."
TypeLiteral<T>	Type literal comparable to `javax.enterprise.util.TypeLiteral`, made generally available outside the JEE context.
TypeUtils	Utility methods focusing on type inspection, particularly with regard to generics.
TypeUtils.WildcardTypeBuilder	`WildcardType` builder.
UncheckedException	Abstracts the concept of wrapping a checked exception as unchecked.
UncheckedExecutionException	Unchecked `ExecutionException`.
UncheckedFuture<V>	An `Future` that throws unchecked instead checked exceptions.
UncheckedIllegalAccessException	Unchecked `IllegalAccessException`.
UncheckedInterruptedException	Unchecked `InterruptedException`.
UncheckedReflectiveOperationException	Unchecked `ReflectiveOperationException`.
UncheckedTimeoutException	Unchecked `TimeoutException`.
UnicodeEscaper	Deprecated. As of 3.6, use Apache Commons Text UnicodeEscaper.
UnicodeUnescaper	Deprecated. As of 3.6, use Apache Commons Text UnicodeUnescaper.
UnicodeUnpairedSurrogateRemover	Deprecated. As of 3.6, use Apache Commons Text UnicodeUnpairedSurrogateRemover.
Validate	This class assists in validating arguments.
WordUtils	Deprecated. As of 3.6, use Apache Commons Text WordUtils.