My First Project Simple Hello World and it doen't run...

[HK__]

Hello All,

I am a complete newbie and started creating my first QT Console app with below code

#include <QCoreApplication>
#include <iostream>

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    std::cout << "Hello World!";

    return a.exec();
}

It compiles and when running it looks like it is stuck here

Starting C:\QT_Projects\build-HelloWorld-Desktop_Qt_5_15_2_MinGW_64_bit-Debug\debug\HelloWorld.exe ...

I am not seeing any console with Hellow World...

The Kit selected is default one "Desktop QT 5.15.1 MinGW 64-bit"

Any help will be deeply appreciated.

[J.Hilk]

@HK__

I am not seeing any console with Hellow World...

If you start this from QtCreator the output will probably redirected to there.

Go to "Projects" -> Build & Run -> Run -> set a checkbox in "Run in terminal/commandpropt"

https://doc.qt.io/qtcreator/creator-run-settings.html#specifying-run-settings-for-desktop-device-types

[jsulm]

@HK__ said in My First Project Simple Hello World and it doen't run...:

It compiles and when running it looks like it is stuck here

It's not stuck, add << std::endl after "Hello World!" string.
Explanation: stdout is buffered, a.exec() call is blocking, you need to force stdout to print out your string, one way to do so is to add std::endl (newline).

For debug output you can also use qDebug() << instead of std::cout <<

[J.Hilk]

@HK__

I am not seeing any console with Hellow World...

If you start this from QtCreator the output will probably redirected to there.

Go to "Projects" -> Build & Run -> Run -> set a checkbox in "Run in terminal/commandpropt"

https://doc.qt.io/qtcreator/creator-run-settings.html#specifying-run-settings-for-desktop-device-types

[HK__]

@J-Hilk Thanks. This did the trick.