Mastering C++ Programming

Writing our first Qt console application

If you get a similar output to that shown in Figure 5.1, you are all set to get your hands dirty. Let's write our first Qt application, as shown in the following screenshot:

Figure 5.2

In the first line, we have included the QDebug header from the QtCore module. If you observe closely, the qDebug() function resembles the C++ cout ostream operator. The qDebug() function is going to be your good friend in the Qt world while you are debugging your code. The QDebug class has overloaded the C++ ostream operator in order to add support for Qt data types that aren't supported by the C++ compiler.

In old school ...