This book is the second edition of M.T. Somashekara?s earlier book titled Programming in C++, under the new title Object-Oriented Programming with C++. In consonance with the new title, two chapters?one explaining the concepts of object-oriented programming and the other on object oriented software development?have been added, respectively, at the beginning and end of the book. Substantial improvements have been effected in all chapters on C++. The book also carries a new chapter titled Standard Template Library. The book covers the C++ language thoroughly, from basic concepts through advanced topics such as encapsulation, polymorphism, inheritance, and exception handling. It presents C++ in a pedagogically sound way, giving many program examples to highlight the features and benefits of each of its concepts. The book is suitable for all engineering and science students including the students of computer applications for learning the C++ language from the first principles.