Object Lifetime is critical for understanding C++

1. February 28, 2009 Object Lifetime in C/C++ Madhubanti Dasgupta Interra Systems (India) Pvt. Ltd. Current Practices in Object Oriented Software Development Meghnad Saha Institute of Technology

3. Object Lifetime Fundamentals Allocation - Deallocation

8. Data Memory Areas System Agnostic View

9. Data Memory Areas Program Code Text Global / File Scope Objects; Static Class Scope Objects; Function Scope Objects Static Dynamic Objects managed by new / delete & malloc / free Free Store & Heap Automatic Objects Stack Constant literals including strings Const Data Data Area

10. Types of Objects Static – Automatic – Dynamic

11. Static Objects Compiler-Managed Objects in the Global Store

18. Automatic Objects Compiler-Managed Objects in Local Store

22. Dynamic Objects User-Managed Objects in the Free Store

25. Thank You