The popularity of the Internet has led to rapidly expanding interest in client-server programming by all kinds of businesses and organizations. Many client and server applications benefit from their design as object-oriented programs with multiple threads of control. An object-oriented language with built-in threads, Java is ideal for concurrent programming and developing multi-threaded applications. Demand for programmers skilled in object-oriented design and concurrency will only grow in the future, making concurrent programming and the Java programming language increasingly important to...