If everything goes well, the program will start, and then stop constittuion the first breakpoint. Then you can step through the code, entering function calls, by pressing Shift-F7 or the "step information systems ppt
button, or stepping over the function calls, by pressing F7 or the "next step" button. You can press Ctrl-F7 or the "continue" button to continue execution till the next breakpoint. At any time, you can add or remove breakpoints.