Use commands on Ubuntu to create your first Qt Program

Source: Internet
Author: User
Note: This document assumes that you have successfully installed QtSDK on your operating system in Ubuntu. If not, refer to this URL: Installation

Note: This document assumes that you have successfully installed the Qt SDK on your operating system in Ubuntu. If not, see this URL:


1-> open a terminal and enter the following command to create the main directory of a Qt Program

Mkdir QtHelloWorld

2-> run the following command to change the QtHelloWorld directory:

Cd QtHelloWorld

3-> In the QtHelloWorld directory, we want to create the source code file of our Qt program.

Gedit main. cpp

4-> now add the code at the bottom to the source code file of your main. cpp, save the file, and exit

5-> In the QtHelloWorld directory, enter the following command:




6-> the QtHelloWorld directory contains a "QtHelloWorld" executable file. Run the following command:


  1. # Include
  2. # Include
  3. # Include
  4. IntMain (IntArgc,Char* Argv [])
  5. {
  6. QApplication app (argc, argv );
  7. QLabel hello (" Welcome to my first WikiHow Qt program ");
  8. Hello. setWindowTitle ("My First WikiHow Qt Program ");
  9. Hello. resize (400,400 );
  10. Hello. show ();
  11. ReturnApp.exe c ();
  12. }
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