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参考手册
java 参考手册
AnnotatedElement
AnnotatedType
Annotation
ArrayList
Arrays
AutoCloseable
Base64
BaseStream
BiConsumer
BiFunction
Buffer
Calendar
Callable
Class
ClassLoader
Collection
Consumer
Double
File
Files
Float
Flow
Function
Future
HashMap
HashSet
Hashtable
InputStream
Integer
Iterable
Iterator
LinkedHashMap
List
Locale
Long
Map
Matcher
Math
Object
Objects
Optional
OutputStream
Pattern
Predicate
Properties
Random
Runnable
Scanner
ServiceLoader
Set
Spliterator
Spliterators
SplittableRandom
Stack
Stream
String
StringBuffer
StringJoiner
StringTokenizer
Supplier
System
Thread
Timer
TimerTask
TimeZone
UnaryOperator
UUID
Vector
Java
Java
Java 简介
Java 开发环境配置
Java 基础语法
Java 的变量
Java 的基础数据类型
Java 的面向对象编程
Java 修饰符
Java package(包)
Java 方法
Java 嵌套类
Java 运算符
Java if...else 条件控制语句
Java switch 语句
Java 的循环控制语句
Java break 与 continue 语句
Java while 与 do...while 语句
Java for 语句
Java 的异常与处理
Java String 类
Java 数组
Java 数字与 Math 类
Java 日期时间
Java 文件操作
Java 读写文件的内容
Java 正则表达式
Java 8 中的新特性
Java 8 中的新特性: 新的时间/日期接口
Java 函数式编程: 接口, Lambda表达式与方法引用
Java 注解: 元注解, 元素类型与保留策略
Java 参考手册
AnnotatedElement
AnnotatedElement.getAnnotation()
AnnotatedElement.getAnnotations()
AnnotatedElement.getAnnotationsByType()
AnnotatedElement.getDeclaredAnnotation()
AnnotatedElement.getDeclaredAnnotations()
AnnotatedElement.getDeclaredAnnotationsByType()
AnnotatedElement.isAnnotationPresent()
AnnotatedElement
AnnotatedType
AnnotatedType.getAnnotatedOwnerType()
AnnotatedType.getType()
AnnotatedType
Annotation
Annotation.annotationType()
Annotation.equals()
Annotation.hashCode()
Annotation.toString()
Annotation
Documented
Target
Target.value
ElementType
Retention
More >>>
ArrayList
ArrayList()
ArrayList.add()
ArrayList.addAll()
ArrayList.clear()
ArrayList.clone()
ArrayList.contains()
ArrayList.ensureCapacity()
ArrayList.forEach()
ArrayList.get()
ArrayList.indexOf()
More >>>
Arrays
Arrays.asList()
Arrays.binarySearch()
Arrays.copyOf()
Arrays.copyOfRange()
Arrays.deepEquals()
Arrays.deepHashCode()
Arrays.deepToString()
Arrays.equals()
Arrays.fill()
Arrays.hashCode()
More >>>
AutoCloseable
AutoCloseable.close()
AutoCloseable
Base64
Base64
Base64.Decoder
Base64.Encoder
Base64.getDecoder()
Base64.getEncoder()
Base64.getMimeDecoder()
Base64.getMimeEncoder()
Base64.getUrlDecoder()
Base64.getUrlEncoder()
Base64.Decoder.decode()
More >>>
BaseStream
BaseStream.close()
BaseStream.isParallel()
BaseStream.iterator()
BaseStream.onClose()
BaseStream.parallel()
BaseStream.sequential()
BaseStream.spliterator()
BaseStream.unordered()
BiConsumer
BiConsumer.accept()
BiConsumer.andThen()
BiConsumer
BiFunction
BiFunction.andThen()
BiFunction.apply()
BiFunction
Buffer
Buffer
Buffer.array()
Buffer.arrayOffset()
Buffer.capacity()
Buffer.clear()
Buffer.duplicate()
Buffer.flip()
Buffer.hasArray()
Buffer.hasRemaining()
Buffer.isDirect()
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Calendar
Calendar
Calendar.Builder
Calendar._AllFields
Calendar.add()
Calendar.after()
Calendar.before()
Calendar.clear()
Calendar.clone()
Calendar.compareTo()
Calendar.complete()
More >>>
Callable
Callable
Callable.call()
Class
Class.asSubclass()
Class.cast()
Class.desiredAssertionStatus()
Class.forName()
Class.getAnnotatedInterfaces()
Class.getAnnotatedSuperclass()
Class.getAnnotation()
Class.getAnnotations()
Class.getAnnotationsByType()
Class.getCanonicalName()
More >>>
ClassLoader
ClassLoader
ClassLoader.clearAssertionStatus()
ClassLoader.defineClass()
ClassLoader.definePackage()
ClassLoader.findClass()
ClassLoader.findLibrary()
ClassLoader.findLoadedClass()
ClassLoader.findResource()
ClassLoader.findSystemClass()
ClassLoader.getClassLoadingLock()
More >>>
Collection
Collection
Collection.add()
Collection.addAll()
Collection.clear()
Collection.contains()
Collection.containsAll()
Collection.equals()
Collection.hashCode()
Collection.isEmpty()
Collection.iterator()
More >>>
Consumer
Consumer.accept()
Consumer
Consumer.andThen()
Double
Double.byteValue()
Double.compare()
Double.compareTo()
Double.doubleToLongBits()
Double.doubleToRawLongBits()
Double.doubleValue()
Double.equals()
Double.floatValue()
Double.hashCode()
Double.intValue()
More >>>
File
File()
File.pathSeparator
File.pathSeparatorChar
File.separator
File.separatorChar
File.canExecute()
File.canRead()
File.canWrite()
File.compareTo()
File.createNewFile()
More >>>
Files
Files.copy()
Files.createDirectories()
Files.createDirectory()
Files.createFile()
Files.createLink()
Files.createSymbolicLink()
Files.createTempDirectory()
Files.createTempFile()
Files.delete()
Files.deleteIfExists()
More >>>
Float
Float.byteValue()
Float.compare()
Float.compareTo()
Float.doubleValue()
Float.equals()
Float.floatToIntBits()
Float.floatToRawIntBits()
Float.floatValue()
Float.hashCode()
Float.intBitsToFloat()
More >>>
Flow
Function
Function.andThen()
Function.apply()
Function.compose()
Function.identity()
Function
Future
Future
Future.cancel()
Future.get()
Future.isCancelled()
Future.isDone()
HashMap
HashMap
HashMap.clear()
HashMap.clone()
HashMap.compute()
HashMap.computeIfAbsent()
HashMap.computeIfPresent()
HashMap.containsKey()
HashMap.containsValue()
HashMap.entrySet()
HashMap.get()
More >>>
HashSet
HashSet
HashSet.add()
HashSet.clear()
HashSet.clone()
HashSet.contains()
HashSet.isEmpty()
HashSet.iterator()
HashSet.remove()
HashSet.size()
HashSet.spliterator()
Hashtable
Hashtable
Hashtable.clear()
Hashtable.clone()
Hashtable.compute()
Hashtable.computeIfAbsent()
Hashtable.computeIfPresent()
Hashtable.contains()
Hashtable.containsKey()
Hashtable.containsValue()
Hashtable.elements()
More >>>
InputStream
InputStream
InputStream.available()
InputStream.close()
InputStream.mark()
InputStream.markSupported()
InputStream.read()
InputStream.readAllBytes()
InputStream.readNBytes()
InputStream.reset()
InputStream.skip()
More >>>
Integer
Integer.bitCount()
Integer.byteValue()
Integer.compare()
Integer.compareTo()
Integer.compareUnsigned()
Integer.decode()
Integer.divideUnsigned()
Integer.doubleValue()
Integer.equals()
Integer.floatValue()
More >>>
Iterable
Iterable.forEach()
Iterable.iterator()
Iterable.spliterator()
Iterable
Iterator
Iterator.forEachRemaining()
Iterator.hasNext()
Iterator.next()
Iterator.remove()
LinkedHashMap
LinkedHashMap.containsValue()
LinkedHashMap.entrySet()
LinkedHashMap.get()
LinkedHashMap.keySet()
LinkedHashMap.removeEldestEntry()
LinkedHashMap.values()
LinkedHashMap
List
List
List.add()
List.addAll()
List.clear()
List.contains()
List.containsAll()
List.copyOf()
List.equals()
List.get()
List.hashCode()
More >>>
Locale
Long
Long.bitCount()
Long.byteValue()
Long.compare()
Long.compareTo()
Long.compareUnsigned()
Long.decode()
Long.divideUnsigned()
Long.doubleValue()
Long.equals()
Long.floatValue()
More >>>
Map
Map
Map.Entry
Map.clear()
Map.compute()
Map.computeIfAbsent()
Map.computeIfPresent()
Map.containsValue()
Map.copyOf()
Map.entry()
Map.entrySet()
More >>>
Matcher
Matcher.appendReplacement()
Matcher.appendTail()
Matcher.end()
Matcher.find()
Matcher.group()
Matcher.groupCount()
Matcher.hasAnchoringBounds()
Matcher.hasTransparentBounds()
Matcher.hitEnd()
Matcher.lookingAt()
More >>>
Math
Math.abs()
Math.acos()
Math.atan()
Math.toRadians()
Math.toDegrees()
Math.exp()
Math.log()
Math.log10()
Math.sqrt()
Math.cbrt()
More >>>
Object
Object
Object.clone()
Object.equals()
Object.getClass()
Object.hashCode()
Object.notify()
Object.notifyAll()
Object.toString()
Object.wait()
Objects
Objects
Objects.checkFromIndexSize()
Objects.checkFromToIndex()
Objects.checkIndex()
Objects.compare()
Objects.deepEquals()
Objects.equals()
Objects.hash()
Objects.hashCode()
Objects.isNull()
More >>>
Optional
Optional.empty()
Optional.equals()
Optional.filter()
Optional.flatMap()
Optional.get()
Optional.hashCode()
Optional.ifPresent()
Optional.map()
Optional.of()
Optional.ofNullable()
More >>>
OutputStream
OutputStream
OutputStream.close()
OutputStream.flush()
OutputStream.write()
Pattern
Pattern.asPredicate()
Pattern.compile()
Pattern.flags()
Pattern.matcher()
Pattern.matches()
Pattern.pattern()
Pattern.quote()
Pattern.split()
Pattern.splitAsStream()
Pattern.toString()
More >>>
Predicate
Predicate.and()
Predicate.isEqual()
Predicate.negate()
Predicate.or()
Predicate.test()
Predicate
Properties
Random
Runnable
Runnable
Runnable.run()
Scanner
ServiceLoader
Set
Set.add()
Set.addAll()
Set.clear()
Set.contains()
Set.containsAll()
Set.equals()
Set.hashCode()
Set.isEmpty()
Set.iterator()
Set.remove()
More >>>
Spliterator
Spliterator()
Spliterator.OfDouble
Spliterator.OfInt
Spliterator.OfLong
Spliterator.OfPrimitive
Spliterator.CONCURRENT
Spliterator.DISTINCT
Spliterator.IMMUTABLE
Spliterator.NONNULL
Spliterator.ORDERED
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Spliterators
SplittableRandom
Stack
Stream
Stream.allMatch()
Stream.anyMatch()
Stream.builder()
Stream.collect()
Stream.concat()
Stream.count()
Stream.distinct()
Stream.empty()
Stream.filter()
Stream.findAny()
More >>>
String
String.format()
String()
String.charAt()
String.codePointAt()
String.codePointBefore()
String.codePointCount()
String.compareTo()
String.compareToIgnoreCase()
String.concat()
String.contains()
More >>>
StringBuffer
StringBuffer.append()
StringBuffer.appendCodePoint()
StringBuffer.capacity()
StringBuffer.charAt()
StringBuffer.codePointAt()
StringBuffer.codePointBefore()
StringBuffer.codePointCount()
StringBuffer.delete()
StringBuffer.deleteCharAt()
StringBuffer.ensureCapacity()
More >>>
StringJoiner
StringTokenizer
Supplier
Supplier.get()
Supplier
System
System.err
System.in
System.out
System.arraycopy()
System.clearProperty()
System.console()
System.currentTimeMillis()
System.exit()
System.gc()
System.getenv()
More >>>
Thread
Thread
Thread.State
Thread.UncaughtExceptionHandler
Thread.activeCount()
Thread.checkAccess()
Thread.clone()
Thread.countStackFrames()
Thread.currentThread()
Thread.destroy()
Thread.dumpStack()
More >>>
Timer
TimerTask
TimeZone
UnaryOperator
UnaryOperator.identity()
UnaryOperator
UUID
UUID
UUID.clockSequence()
UUID.compareTo()
UUID.equals()
UUID.fromString()
UUID.getLeastSignificantBits()
Vector
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