> For the complete documentation index, see [llms.txt](https://yunzhao.gitbook.io/notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yunzhao.gitbook.io/notes/java.md).

# JAVA

- [Preface](https://yunzhao.gitbook.io/notes/java/preface.md)
- [Grammar](https://yunzhao.gitbook.io/notes/java/grammar.md)
- [Basic](https://yunzhao.gitbook.io/notes/java/grammar/basic.md)
- [Data Types](https://yunzhao.gitbook.io/notes/java/grammar/data-types.md)
- [Operator](https://yunzhao.gitbook.io/notes/java/grammar/operator.md)
- [Exceptions](https://yunzhao.gitbook.io/notes/java/grammar/exceptions.md)
- [Class Libraries](https://yunzhao.gitbook.io/notes/java/class-libraries.md)
- [Collection](https://yunzhao.gitbook.io/notes/java/class-libraries/collection.md)
- [Stream](https://yunzhao.gitbook.io/notes/java/class-libraries/stream.md)
- [IO](https://yunzhao.gitbook.io/notes/java/class-libraries/java-io.md)
- [NIO](https://yunzhao.gitbook.io/notes/java/class-libraries/java-nio.md)
- [RMI](https://yunzhao.gitbook.io/notes/java/class-libraries/rmi.md)
- [Concurrency](https://yunzhao.gitbook.io/notes/java/concurrency.md)
- [Preface](https://yunzhao.gitbook.io/notes/java/concurrency/preface.md)
- [JMM](https://yunzhao.gitbook.io/notes/java/concurrency/jmm.md)
- [Synchronized & CAS](https://yunzhao.gitbook.io/notes/java/concurrency/synchronized.md)
- [Deadlock](https://yunzhao.gitbook.io/notes/java/concurrency/deadlock.md)
- [Thread](https://yunzhao.gitbook.io/notes/java/concurrency/thread-state.md)
- [Lock & Condition](https://yunzhao.gitbook.io/notes/java/concurrency/lock-and-condition.md)
- [Utility Class](https://yunzhao.gitbook.io/notes/java/concurrency/utility-class.md)
- [Thread-safe Collection](https://yunzhao.gitbook.io/notes/java/concurrency/thread-safe-collection.md)
- [Atomic Class](https://yunzhao.gitbook.io/notes/java/concurrency/atomic-class.md)
- [Fork/Join](https://yunzhao.gitbook.io/notes/java/concurrency/fork-join.md)
- [Concurrency Design Patterns](https://yunzhao.gitbook.io/notes/java/concurrency/concurrency-design-patterns.md)
- [Immutable](https://yunzhao.gitbook.io/notes/java/concurrency/concurrency-design-patterns/immutable.md)
- [Copy-on-Write](https://yunzhao.gitbook.io/notes/java/concurrency/concurrency-design-patterns/copy-on-write.md)
- [ThreadLocal](https://yunzhao.gitbook.io/notes/java/concurrency/concurrency-design-patterns/threadlocal.md)
- [Multitheading If](https://yunzhao.gitbook.io/notes/java/concurrency/concurrency-design-patterns/guarded-suspension.md)
- [Division](https://yunzhao.gitbook.io/notes/java/concurrency/concurrency-design-patterns/division.md)
- [JVM](https://yunzhao.gitbook.io/notes/java/jvm.md)
- [Class & Instance Initialization](https://yunzhao.gitbook.io/notes/java/jvm/class-and-instance-initialization.md)
- [Runtime Data Area](https://yunzhao.gitbook.io/notes/java/jvm/runtime-data-area.md)
- [Garbage Collection](https://yunzhao.gitbook.io/notes/java/jvm/garbage-collection.md)
- [Web Container](https://yunzhao.gitbook.io/notes/java/web-container.md)
- [Tomcat Architecture](https://yunzhao.gitbook.io/notes/java/web-container/tomcat-architecture.md)
- [Jetty Architecture](https://yunzhao.gitbook.io/notes/java/web-container/jetty-architecture.md)
- [Spring](https://yunzhao.gitbook.io/notes/java/spring.md)
- [Tuning](https://yunzhao.gitbook.io/notes/java/tuning.md)
- [Programming](https://yunzhao.gitbook.io/notes/java/tuning/programming.md)