一 目标

记录学习jdk源码的一些笔记和心得,jdk版本使用11.0.1,工具idea
Class后面序号为优先级1-4，优先级递减
目录转载自博客: https://blog.csdn.net/qq_21033663/article/details/79571506

二 目录

1、java.lang

• Object 1
• String 1
• AbstractStringBuilder 1
• StringBuffer 1 & StringBuilder 1
• Boolean 2
• Byte 2
• Double 2 & Float 2
• Integer 2
• Long 2
• Short 2
• Thread 2
• ThreadLocal 2
• Enum 3
• Throwable 3
• Error 3
• Exception 3
• Class 4
• ClassLoader 4
• Compiler 4
• System 4
• Package 4
• Void 4

2、java.util

• AbstractList 1
• AbstractMap 1
• AbstractSet 1
• ArrayList 1
• LinkedList 1
• HashMap 1
• Hashtable 1
• HashSet 1
• LinkedHashMap 1
• LinkedHashSet 1
• TreeMap 1
• TreeSet 1
• Vector 2
• Queue 2
• Stack 2
• SortedMap 2
• SortedSet 2
• Collections 3
• Arrays 3
• Comparator 3
• Iterator 3
• Base64 4
• Date 4
• EventListener 4
• Random 4
• SubList 4
• Timer 4
• UUID 4
• WeakHashMap 4

3、java.util.concurrent

• ConcurrentHashMap 1
• Executor 2
• AbstractExecutorService 2
• ExecutorService 2
• ThreadPoolExecutor 2
• BlockingQueue 2
• AbstractQueuedSynchronizer 2
• CountDownLatch 2
• FutureTask 2
• Semaphore 2
• CyclicBarrier 2
• CopyOnWriteArrayList 3
• SynchronousQueue 3
• BlockingDeque 3
• Callable 4

4、java.util.concurrent.atomic

• AtomicBoolean 2
• AtomicInteger 2
• AtomicLong 2
• AtomicReference 3

5、java.lang.reflect

• Field 2
• Method 2

6、java.lang.annotation

• Annotation 3
• Target 3
• Inherited 3
• Retention 3
• Documented 4
• ElementType 4
• Native 4
• Repeatable 4

7、java.util.concurrent.locks

• Lock 2
• Condition 2
• ReentrantLock 2
• ReentrantReadWriteLock 2

8 java.util.function (内置的各种函数式接口)

• Consumer
• Function
• Supplier
• Predicate

9 java.util.Stream

• BaseStream
• Stream
• StreamSupport

10、java.io

• File 3
• InputStream 3
• OutputStream 3
• Reader 4
• Writer 4

11、java.nio

• Buffer 3
• ByteBuffer 4
• CharBuffer 4
• DoubleBuffer 4
• FloatBuffer 4
• IntBuffer 4
• LongBuffer 4
• ShortBuffer 4

12、java.sql

• Connection 3
• Driver 3
• DriverManager 3
• JDBCType 3
• ResultSet 4
• Statement 4

13、java.net

• Socket 3
• ServerSocket 3
• URI 4
• URL 4
• URLEncoder 4

14 java.time

• LocalDate 1
• LocalDateTime 1
• LocalTime 1

15 java.time.format

• DateTimeFormatter 1
• DateTimeFormatterBuilder 1

三 源代码笔记地址
https://gitee.com/houzheng1216/sourcecode