c++ - how can i integrate one qt application with another qt project -


i have developed 2 different qt application project , want integrate 1 project, how can link these 2 project so, can call function of each other , use value too. example, in 1 project 

    void mainwindow::readdata()  {      qbytearray data = serial->readall();      qdatastream stream(data);       double value;      stream>>value;       console->putdata(data);      qdebug()<<value;   }

i want use "data" project further calculation , print on project. how can that. give me light on it. i'm absolute beginner in qt c++. thank in advance.


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