(Qt6 : 15-1) QTimer

#include <QCoreApplication>
#include <QTimer>

void test()
{
    qInfo() << "Thank you for waiting!";
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    qInfo() << "Please wait...";

    QTimer::singleShot(5000,&test);

    return a.exec();
}

#include "test.h"

Test::Test(QObject *parent) : QObject(parent)
{
    number = 0;
    timer.setInterval(1000);
    connect(&timer,&QTimer::timeout,this,&Test::timeout);
}

void Test::timeout()
{
    number++;
    //Qt5
    //qInfo() << QTime::currentTime().toString(Qt::DateFormat::SystemLocaleLongDate);
    qInfo() << QTime::currentTime().toString(Qt::DateFormat::TextDate);

    if(number >= 5)
    {
        timer.stop();
        qInfo() << "Complete!";
    }
}

void Test::dostuff()
{
    number = 0;
    timer.start();
}

#include <QCoreApplication>
#include <QProcess>
#include <QTimer>

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    QProcess proc;
    proc.start("xed");

    QTimer::singleShot(3000,&proc,&QProcess::terminate);

    return a.exec();
}