在Java中增加信号量许可证

Question

我可以在Java中为信号量添加更多许可证吗？

Semaphore s = new Semaphore(3); 

之后在代码中的某处我想将许可证更改为4.这可能吗？

Answer 1

是的。该release方法（IMO容易混淆的名字命名）可用于递增许可证以来，从文档：

There is no requirement that a thread that releases a permit must 
have acquired that permit by calling acquire. 
Correct usage of a semaphore is established by programming convention 
in the application. 

换句话说：

semaphore.release(10); 

将增加10多个许可证，如果线程调用具有不获得任何。