| Package | Description |
|---|---|
| java.awt |
Contains all of the classes for creating user interfaces and for painting graphics and images.
|
| java.io |
Provides for system input and output through data streams, serialization and the file system.
|
| java.lang |
Provides classes that are fundamental to the design of the Java programming language.
|
| java.nio.file |
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
|
| java.time.temporal |
Access to date and time using fields and units, and date time adjusters.
|
| java.util |
Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
|
| java.util.concurrent |
Utility classes commonly useful in concurrent programming.
|
| java.util.function |
Functional interfaces provide target types for lambda expressions and method references.
|
| java.util.logging |
Provides the classes and interfaces of the Java
TM 2 platform's core logging facilities.
|
| java.util.prefs |
This package allows applications to store and retrieve user and system preference and configuration data.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
KeyEventDispatcher
A KeyEventDispatcher cooperates with the current KeyboardFocusManager in the targeting and dispatching of all KeyEvents.
|
interface |
KeyEventPostProcessor
A KeyEventPostProcessor cooperates with the current KeyboardFocusManager in the final resolution of all unconsumed KeyEvents.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
FileFilter
A filter for abstract pathnames.
|
interface |
FilenameFilter
Instances of classes that implement this interface are used to filter filenames.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
Runnable
The
Runnable interface should be implemented by any class whose instances are intended to be executed by a thread.
|
static interface |
Thread
Interface for handlers invoked when a
Thread abruptly terminates due to an uncaught exception.
|
| Modifier and Type | Interface and Description |
|---|---|
static interface |
DirectoryStream
An interface that is implemented by objects that decide if a directory entry should be accepted or filtered.
|
interface |
PathMatcher
An interface that is implemented by objects that perform match operations on paths.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
TemporalAdjuster
Strategy for adjusting a temporal object.
|
interface |
TemporalQuery<R>
Strategy for querying a temporal object.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
Comparator<T>
A comparison function, which imposes a
total ordering on some collection of objects.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
Callable<V>
A task that returns a result and may throw an exception.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
BiConsumer<T
Represents an operation that accepts two input arguments and returns no result.
|
interface |
BiFunction<T
Represents a function that accepts two arguments and produces a result.
|
interface |
BinaryOperator<T>
Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
|
interface |
BiPredicate<T
Represents a predicate (boolean-valued function) of two arguments.
|
interface |
BooleanSupplier
Represents a supplier of
boolean-valued results.
|
interface |
Consumer<T>
Represents an operation that accepts a single input argument and returns no result.
|
interface |
DoubleBinaryOperator
Represents an operation upon two
double-valued operands and producing a
double-valued result.
|
interface |
DoubleConsumer
Represents an operation that accepts a single
double-valued argument and returns no result.
|
interface |
DoubleFunction<R>
Represents a function that accepts a double-valued argument and produces a result.
|
interface |
DoublePredicate
Represents a predicate (boolean-valued function) of one
double-valued argument.
|
interface |
DoubleSupplier
Represents a supplier of
double-valued results.
|
interface |
DoubleToIntFunction
Represents a function that accepts a double-valued argument and produces an int-valued result.
|
interface |
DoubleToLongFunction
Represents a function that accepts a double-valued argument and produces a long-valued result.
|
interface |
DoubleUnaryOperator
Represents an operation on a single
double-valued operand that produces a
double-valued result.
|
interface |
Function<T
Represents a function that accepts one argument and produces a result.
|
interface |
IntBinaryOperator
Represents an operation upon two
int-valued operands and producing an
int-valued result.
|
interface |
IntConsumer
Represents an operation that accepts a single
int-valued argument and returns no result.
|
interface |
IntFunction<R>
Represents a function that accepts an int-valued argument and produces a result.
|
interface |
IntPredicate
Represents a predicate (boolean-valued function) of one
int-valued argument.
|
interface |
IntSupplier
Represents a supplier of
int-valued results.
|
interface |
IntToDoubleFunction
Represents a function that accepts an int-valued argument and produces a double-valued result.
|
interface |
IntToLongFunction
Represents a function that accepts an int-valued argument and produces a long-valued result.
|
interface |
IntUnaryOperator
Represents an operation on a single
int-valued operand that produces an
int-valued result.
|
interface |
LongBinaryOperator
Represents an operation upon two
long-valued operands and producing a
long-valued result.
|
interface |
LongConsumer
Represents an operation that accepts a single
long-valued argument and returns no result.
|
interface |
LongFunction<R>
Represents a function that accepts a long-valued argument and produces a result.
|
interface |
LongPredicate
Represents a predicate (boolean-valued function) of one
long-valued argument.
|
interface |
LongSupplier
Represents a supplier of
long-valued results.
|
interface |
LongToDoubleFunction
Represents a function that accepts a long-valued argument and produces a double-valued result.
|
interface |
LongToIntFunction
Represents a function that accepts a long-valued argument and produces an int-valued result.
|
interface |
LongUnaryOperator
Represents an operation on a single
long-valued operand that produces a
long-valued result.
|
interface |
ObjDoubleConsumer<T>
Represents an operation that accepts an object-valued and a
double-valued argument, and returns no result.
|
interface |
ObjIntConsumer<T>
Represents an operation that accepts an object-valued and a
int-valued argument, and returns no result.
|
interface |
ObjLongConsumer<T>
Represents an operation that accepts an object-valued and a
long-valued argument, and returns no result.
|
interface |
Predicate<T>
Represents a predicate (boolean-valued function) of one argument.
|
interface |
Supplier<T>
Represents a supplier of results.
|
interface |
ToDoubleBiFunction<T
Represents a function that accepts two arguments and produces a double-valued result.
|
interface |
ToDoubleFunction<T>
Represents a function that produces a double-valued result.
|
interface |
ToIntBiFunction<T
Represents a function that accepts two arguments and produces an int-valued result.
|
interface |
ToIntFunction<T>
Represents a function that produces an int-valued result.
|
interface |
ToLongBiFunction<T
Represents a function that accepts two arguments and produces a long-valued result.
|
interface |
ToLongFunction<T>
Represents a function that produces a long-valued result.
|
interface |
UnaryOperator<T>
Represents an operation on a single operand that produces a result of the same type as its operand.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
Filter
A Filter can be used to provide fine grain control over what is logged, beyond the control provided by log levels.
|
| Modifier and Type | Interface and Description |
|---|---|
interface |
PreferenceChangeListener
A listener for receiving preference change events.
|