18.4 C++ Standard Library C++ programs Built from pieces called classes and functions C++ Standard library Rich collections of existing classes and functions Reusable in new applications Usea“ building-block” approach to create programs. Avoid reinventing the wheel. Use existing pieces wherever possible. Called software reuse, this practice is central to object-oriented programming. o 2007 Pearson Education, Inc. All rights reserved© 2007 Pearson Education, Inc. All rights reserved. 12 18.4 C++ Standard Library • C++ programs – Built from pieces called classes and functions • C++ Standard Library – Rich collections of existing classes and functions • Reusable in new applications • Use a “building-block” approach to create programs. Avoid reinventing the wheel. Use existing pieces wherever possible. Called software reuse, this practice is central to object-oriented programming