When and how should I use a ThreadLocal variable?

When and how should I use a ThreadLocal variable?

java multithreading concurrency thread-local thread-confinement

java

Performance of ThreadLocal variable

java multithreading performance thread-local

java

How is Java's ThreadLocal implemented under the hood?

java multithreading thread-local thread-static

java

How to clean up ThreadLocals

java tomcat thread-local

java

ThreadLocal & Memory Leak

java multithreading memory-leaks thread-local permgen

java

Is it really my job to clean up ThreadLocal resources when classes have been exposed to a thread pool?

java concurrency threadpool thread-local

java