Hello World An obligatory first program

C++ C developed in 1971 C++ developed in 1983 – Standardized in 1998 – Updated in 2011, again in

QT Creator Preferred development environment – Avoid Visual Studio/other tools

Project Templates/Settings QTProject folder – In C:/User/YOU/AppData/Roaming Stores templates and preferences My website has starters to match lab templates/settings

Writing a Program Every program is a "Project"

Basic Template This is the template we want: Save to a place you can find:

The Files.cpp : – Code.pro : – project – what files to build, how to build them.pro.user : – User specific things (window placement, etc…)

The Code Our code:

Building and Running Code must BUILD before you run it: RUN runs the last build you did:

Tools  Options for all program settings Build & Run: – Always deploy project before running will force build on run Force Build Before Run