| 分级 | 阅读完成度 | 含义 |
|---|---|---|
| 1 | 🌕 | 完成阅读，方法/字段已读完，实现过程已了解 |
| 2 | 🌔 | 完成阅读，方法/字段已读完，但一些实现细节未掌握 |
| 3 | 🌓 | 正在阅读，方法/字段未读完，理解了大部分特性 |
| 4 | 🌒 | 正在阅读，方法/字段未读完，只涉猎了一部分特性 |
| 5 | 🌑 | 初步接触，有限的了解，大概知道该类的作用 |
- 常用工具
- 🌕 Objects
- 🌔 Arrays
- 🌕 Timer
- 🌕 TimerTask
- 🌕 TimerThread
- 🌕 TaskQueue
- 🌒 UUID
- 🌕 Properties
- 🌔 ResourceBundle
- 🌔 ListResourceBundle
- 🌔 PropertyResourceBundle
- 🌔 PropertyResourceBundleCharset
- 🌔 ResourceBundleEnumeration
- 🌔 ResourceBundleProvider
- 🌔 AbstractResourceBundleProvider
- 🌔 ResourceBundleControlProvider
- 🌔 Proxy
- 🌔 ProxyGenerator
- 🌔 InvocationHandler
- 🌕 TimeUnit
- 不常用工具
- 🌔 Bits
- 🌔 Preconditions
- 🌔 Tripwire (java.util)
- 🌔 Tripwire (java.util.stream)
- 🌕 IntSummaryStatistics
- 🌕 LongSummaryStatistics
- 🌕 DoubleSummaryStatistics
- 数值计算
- 🌔 BigInteger
- 🌓 BigDecimal
- 🌔 Math
- 🌔 StrictMath
- 🌔 RoundingMode
- 🌔 MathContext
- 🌕 FloatConsts
- 🌕 DoubleConsts
- 随机数
- 迭代
- 序列化/反序列化
- 引用
- 清理器
- 🌕 Cleaner (java.lang.ref)
- 🌕 Cleaner (jdk.internal.ref)
- 🌕 CleanerImpl
- 🌕 PhantomCleanable
- 🌕 SoftCleanable
- 🌕 WeakCleanable
- 🌕 CleanerFactory
- 字符序列
- 字符(序列)编码/解码
- 字符集
- 🌔 Charset
- 🌕 StandardCharsets (java.nio.charset)
- 🌔 StandardCharsets (sun.nio.cs)
- 🌔 ExtendedCharsets
- 🌕 CharsetProvider
- 🌕 AbstractCharsetProvider
- 🌔 CharacterData
- 🌕 CharacterDataLatin1
- 🌔 ConditionalSpecialCasing
- 类加载器
- 反射元素-模块
- 反射元素-包/类/数组
- 🌓 Class
- 🌓 Field
- 🌓 Constructor
- 🌓 Method
- 🌓 Executable
- 🌓 AccessibleObject
- 🌔 Member
- 🌓 Parameter
- 🌔 Array
- 🌔 Modifier
- 🌓 Package
- 🌔 NamedPackage
- 反射元素-泛型
- 反射元素-注解
- 元注解
- 🌕 Annotation
- 🌕 RetentionPolicy
- 🌕 ElementType
- 🌕 Documented
- 🌕 Retention
- 🌕 Target
- 🌕 Inherited
- 🌕 Repeatable
- 🌕 Native
- 文件
- 比较
- 线程
- 原子操作
- 🌔 AtomicBoolean
- 🌔 AtomicInteger
- 🌔 AtomicLong
- 🌔 AtomicReference
- 🌔 AtomicIntegerArray
- 🌔 AtomicLongArray
- 🌔 AtomicReferenceArray
- 🌔 AtomicIntegerFieldUpdater
- 🌔 AtomicLongFieldUpdater
- 🌔 AtomicReferenceFieldUpdater
- 🌔 AtomicMarkableReference
- 🌔 AtomicStampedReference
- 🌔 Striped64
- 🌔 LongAdder
- 🌔 LongAccumulator
- 🌔 DoubleAdder
- 🌔 DoubleAccumulator
- 锁
- 同步/并发
- 🌔 CountDownLatch
- 🌔 CyclicBarrier
- 🌔 Semaphore
- 🌔 Executor
- 🌔 ExecutorService
- 🌔 ScheduledExecutorService
- 🌔 AbstractExecutorService
- 🌔 ForkJoinPool
- 🌔 ThreadPoolExecutor
- 🌔 ScheduledThreadPoolExecutor
- 🌔 Callable
- 🌔 Future
- 🌔 ForkJoinTask
- 🌔 RecursiveTask
- 🌔 RecursiveAction
- 🌔 CountedCompleter
- 🌔 ForkJoinWorkerThread
- 🌔 Delayed
- 🌔 ScheduledFuture
- 🌔 RunnableFuture
- 🌔 RunnableScheduledFuture
- 🌔 FutureTask
- 🌔 RejectedExecutionHandler
- 🌔 Executors
- 🌔 CompletionService
- 🌔 ExecutorCompletionService
- 🌔 Exchanger
- 🌔 Phaser
- 🌔 Flow
- 🌔 SubmissionPublisher
- 🌔 CompletionStage
- 🌔 CompletableFuture
- 容器
- 🌕 Collection
- 🌕 AbstractCollection
- 🌔 Collections
- 🌕 RandomAccess
- 🌔 ImmutableCollections
- 🌑 CollSer
- 🌕 List
- 🌕 AbstractList
- 🌕 AbstractSequentialList
- 🌕 ArrayList
- 🌕 LinkedList
- 🌕 Vector
- 🌕 CopyOnWriteArrayList
- 🌕 ListIterator
- 🌕 Queue
- 🌕 Deque
- 🌕 BlockingQueue
- 🌕 BlockingDeque
- 🌕 TransferQueue
- 🌕 AbstractQueue
- 🌕 ArrayDeque
- 🌕 PriorityQueue
- 🌕 DelayQueue
- 🌕 ArrayBlockingQueue
- 🌕 LinkedBlockingQueue
- 🌕 LinkedBlockingDeque
- 🌕 PriorityBlockingQueue
- 🌔 SynchronousQueue
- 🌔 LinkedTransferQueue
- 🌔 ConcurrentLinkedQueue
- 🌔 ConcurrentLinkedDeque
- 🌕 Set
- 🌕 SortedSet
- 🌕 NavigableSet
- 🌕 AbstractSet
- 🌔 HashSet
- 🌔 LinkedHashSet
- 🌔 TreeSet
- 🌕 EnumSet
- 🌔 RegularEnumSet
- 🌔 JumboEnumSet
- 🌕 CopyOnWriteArraySet
- 🌔 ConcurrentSkipListSet
- 🌕 Map
- 🌕 SortedMap
- 🌕 NavigableMap
- 🌕 ConcurrentMap
- 🌕 ConcurrentNavigableMap
- 🌕 AbstractMap
- 🌔 HashMap
- 🌔 LinkedHashMap
- 🌔 TreeMap
- 🌕 IdentityHashMap
- 🌕 WeakHashMap
- 🌕 EnumMap
- 🌕 Dictionary
- 🌕 Hashtable
- 🌔 ConcurrentHashMap
- 🌔 ConcurrentSkipListMap
- 🌕 KeyValueHolder
- 🌕 PreHashedMap
- 流
- 流水线
- 🌕 BaseStream
- 🌕 Stream
- 🌔 PipelineHelper
- 🌔 AbstractPipeline
- 🌔 ReferencePipeline
- 🌔 StreamShape
- 🌔 StreamSupport
- 🌔 Sink
- 🌓 Streams
- 🌓 IntStream
- 🌓 LongStream
- 🌓 DoubleStream
- 🌓 IntPipeline
- 🌓 LongPipeline
- 🌓 DoublePipeline
- Spliterator
- 收集
- 🌕 Collector
- 🌕 Collectors
- 🌕 AbstractSpinedBuffer
- 🌔 SpinedBuffer
- 🌔 Node
- 🌓 Nodes
- 任务
- Optional
- 流水线
- 缓冲区
- 🌕 Buffer
- 🌕 DirectBuffer
- char缓冲区
- byte缓冲区
- short缓冲区
- int缓冲区
- long缓冲区
- float缓冲区
- double缓冲区
- Lambda表达式
- 🌕 Function
- 🌕 IntFunction
- 🌕 LongFunction
- 🌕 DoubleFunction
- 🌕 IntToLongFunction
- 🌕 IntToDoubleFunction
- 🌕 LongToIntFunction
- 🌕 LongToDoubleFunction
- 🌕 DoubleToIntFunction
- 🌕 DoubleToLongFunction
- 🌕 ToIntFunction
- 🌕 ToLongFunction
- 🌕 ToDoubleFunction
- 🌕 BiFunction
- 🌕 ToIntBiFunction
- 🌕 ToLongBiFunction
- 🌕 ToDoubleBiFunction
- 🌕 UnaryOperator
- 🌕 IntUnaryOperator
- 🌕 LongUnaryOperator
- 🌕 DoubleUnaryOperator
- 🌕 BinaryOperator
- 🌕 IntBinaryOperator
- 🌕 LongBinaryOperator
- 🌕 DoubleBinaryOperator
- 🌕 Consumer
- 🌕 Predicate
- 🌕 Supplier
- 🌕 Function
- 注解处理器
- Java语言模型
- 🌔 AnnotatedConstruct
- 🌔 SourceVersion
- 类型
- 🌔 TypeMirror
- 🌔 NoType
- 🌔 WildcardType
- 🌔 UnionType
- 🌔 PrimitiveType
- 🌔 ExecutableType
- 🌔 IntersectionType
- 🌔 ReferenceType
- 🌔 TypeVariable
- 🌔 ArrayType
- 🌔 DeclaredType
- 🌔 NullType
- 🌔 ErrorType
- 🌔 TypeKind
- 🌔 Types
- 元素
- 访问器
- 🌔 TypeVisitor
- 🌔 AbstractTypeVisitor6
- 🌔 AbstractTypeVisitor7
- 🌔 AbstractTypeVisitor8
- 🌔 AbstractTypeVisitor9
- 🌔 SimpleTypeVisitor6
- 🌔 SimpleTypeVisitor7
- 🌔 SimpleTypeVisitor8
- 🌔 SimpleTypeVisitor9
- 🌔 TypeKindVisitor6
- 🌔 TypeKindVisitor7
- 🌔 TypeKindVisitor8
- 🌔 TypeKindVisitor9
- 🌔 ElementVisitor
- 🌔 AbstractElementVisitor6
- 🌔 AbstractElementVisitor7
- 🌔 AbstractElementVisitor8
- 🌔 AbstractElementVisitor9
- 🌔 SimpleElementVisitor6
- 🌔 SimpleElementVisitor7
- 🌔 SimpleElementVisitor8
- 🌔 SimpleElementVisitor9
- 🌔 ElementKindVisitor6
- 🌔 ElementKindVisitor7
- 🌔 ElementKindVisitor8
- 🌔 ElementKindVisitor9
- 🌔 ElementScanner6
- 🌔 ElementScanner7
- 🌔 ElementScanner8
- 🌔 ElementScanner9
- 🌔 AnnotationValueVisitor
- 🌔 AbstractAnnotationValueVisitor6
- 🌔 AbstractAnnotationValueVisitor7
- 🌔 AbstractAnnotationValueVisitor8
- 🌔 AbstractAnnotationValueVisitor9
- 🌔 SimpleAnnotationValueVisitor6
- 🌔 SimpleAnnotationValueVisitor7
- 🌔 SimpleAnnotationValueVisitor8
- 🌔 SimpleAnnotationValueVisitor9
- 未分类