There are many types of constants in C++, and mastering them is critical to producing readable and manageable code. A good IDE will help with the development and maintenance of large code projects, and choosing the right one for your project is important. In this course, you'll learn about the use of constants and references in C++, as well as tools and IDEs for C++ development. You'll also learn about class constructors and deconstructors, and class and function operators. Finally, you'll learn about header and source files and passing command line arguments to C++ programs.