1. 技术点
2. 包
3. 类
4. 接口
5. Lang and Util Packages 基础工具包
   1. Collections
      1. Collection<E>
         1. AbstractCollection
            1. List<E>
            2. AbstractList
            3. AbstractSequentialList
            4. LinkedList
            5. ArratList
            6. Vector
            7. Stack
            8. CopyOnWriteArrayList
            9. Set<E>
            10. AbstractSet
            11. TreeSet
            12. HashSet
            13. LinkedHashSet
            14. JobStateReasons
            15. EnumSet
            16. SortedSet
            17. NavigableSet
            18. CopyOnWriteArraySet
            19. Queue<E>
            20. AbstractQueue
            21. ArrayBlockingQueue
            22. ConcurrentLinkedQueue
            23. DelayQueue
            24. LinkedBlockingQueue
            25. PriorityBlockingQueue
            26. PriorityQueue
            27. SynchronousQueue
            28. BlockingQueue
            29. Deque<E>
            30. ArrayDeque
            31. BlockingDeque
            32. LinkedBlockingDeque
      2. Comparable
      3. Comparator
      4. Iterator
      5. Map
         1. ConcurrentMap
            1. ConcurrentNavigableMap
            2. ConcurrentSkipListMap
            3. ConcurrentHashMap
         2. SortedMap
            1. NavigableMap
            2. TreeMap
         3. AbstractMap
            1. EnumMap
            2. HashMap
            3. LinkedHashMap
            4. PrinterStateReasons
            5. IdentityHashMap
            6. WeakHashMap
         4. Hashtable
   2. Concurrency
      1. java.util.concurrent
      2. java.util.concurrent.atomic
      3. java.util.concurrent.locks
   3. JAR
      1. java.net.JarURLConnection
      2. java.util.jar
   4. lang
      1. Compiler
      2. Enum
      3. java.lang
         1. Boolean
         2. Charater
         3. Number
            1. Byte
            2. Short
            3. Integer
            4. Long
            5. Float
            6. Double
            7. AtomicInteger
            8. AtomicLong
            9. BigDecimal
            10. BigInteger
         4. String
         5. StringBuffer
         6. StringBuilder
      4. java.lang.annotation
      5. java.lang.instrument
      6. Process
      7. ProcessBuilder
      8. Runtime
      9. Thread
         1. java.lang.ThreadGroup
         2. java.lang.ThreadLocal
         3. java.lang.Runnable
            1. Thread
            2. SwingWorker
            3. TimerTask
   5. Logging
      1. java.util.logging
   6. Math
      1. java.lang.Math
      2. java.lang.StrictMath
   7. Monitoring and Management
      1. Attach API
      2. com.sun.management
      3. java.lang.management
      4. java.util.loggingLoggingMXBean
      5. JConsole API
      6. JMX
   8. Package Versioning Specification
      1. java.lang.Class
      2. java.lang.ClassLoader
      3. java.lang.Package
   9. Preferences
      1. java.util.prefs
   10. Ref Objetcs
       1. PhantomReference<T>
       2. Reference<T>
       3. ReferenceQueue<T>
       4. SoftReference<T>
       5. WeakReference<T>
   11. Reflection
       1. Dyanmic Proxy Classes
   12. Regex
   13. SPI
   14. util
       1. Arrays
       2. Calendar
          1. GregorianCalendar
       3. Collections
       4. Currency
       5. Date
       6. Formatter
       7. Random
       8. ResourceBundle
          1. ListResourceBundle
          2. PropertyResourceBundle
       9. Scanner
       10. ServiceLoader
       11. StringTokenizer
       12. Timer
       13. TimeZone
           1. SimpleTimeZone
       14. UUID
   15. Zip
       1. java.util.zip
6. Other Base Packages 其他基础包
   1. Beans
   2. Extension Mechanism
   3. I/O
   4. Internationalization
   5. JMX
   6. JNI
   7. Networking
   8. Override Mechanism
   9. Security
   10. Serialization
   11. XML
7. User Interface Libraries 界面库
   1. Accessibility
   2. AWT
      1. Component
         1. Container
            1. JComponent
            2. Panel
            3. Applet
            4. JApplet
            5. AppletStub
            6. AppletContext
            7. AppletClip
            8. ScrollPane
            9. Window
            10. Dialog
            11. FileDialog
            12. JDialog
            13. Frame
            14. JFrame
            15. JWindow
         2. TextComponent
            1. TextArea
            2. TextField
         3. Label
         4. Choice
         5. Button
         6. Checkbox
         7. Canvas
         8. Choise
         9. List
         10. Scrollbar
      2. Event AWTEvent
         1. 子主题
         2. 子主题
      3. LayoutManager
         1. FlowLayout
         2. GridLayout
         3. LayoutManager2
            1. 子主题
            2. BoxLayout
            3. CardLayout
            4. GridBagLayout
            5. GroupLayout
            6. BorderLayout
      4. MenuComponent
         1. MenuItem
            1. CheckboxMenuItem
            2. Mennu
            3. PopupMenu
         2. MenuBar
   3. Drag And Drop
   4. Image I/O
   5. Input Method
   6. Java 2D
   7. Print Service
   8. Sound
   9. Swing
8. Integration Libraries 集成库
   1. CORBA
   2. JDBC（TM）
   3. JNDI（TM）
   4. RMI
   5. RMI-IIOP
   6. Scripting