摘要：
This class provides thread-local variables. These variables differ from their normal counterparts（副本） in that each thread that accesses one (via its get or set method) has its own, independently initi... 阅读全文
摘要：
What Can Java Technology Do? The general-purpose（多用途的）, high-level Java programming language is a powerful software platform. Every full implementation of the Java platform gives you the following fe... 阅读全文