This book provides a conceptual framework in which to describe the object-oriented middleware for distributed object integration. Presents both a case study and illustrative examples of smaller extended, there are many examples of code in Java, C + +, IDL CORBA IDL and Microsoft, which reflects the reality of today's multi-language heterogeneous systems. This is a book for developers new to programming in a distributed environment. It also supports various programs in which the central theme is object-oriented development with middleware technologies. This book shows the middleware concepts and principles using examples taken from the:?