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java Concurrent Programming Practice Programmer interview 2020-04-05 11:08:16 77 Category column: java concurrency Article label: ThreadLocal ...

How to use it? ThreadLocal<String> localName = new ThreadLocal(); localName.set("xx"); String name = localName.get(); principle public class ThreadLocal<T> { public void set(T value) { Thread t = Thread.currentThread(); ThreadLocalMap map = getMap(t); if (map != null) map.set(this, value); else createMap(t, value); ...

1, Common scenarios 1. ThreadLocal is a copy of thread context. One of the most common ways to use ThreadLocal is to implicitly pass parameters to different methods by providing two public methods: set() and get(). For programming specifications, the number of parameters is limited when defining methods. Even in some large factories, the numbe ...