Beginner problem with connect

[Santosh Reddy]

Use it this way

//program.cpp
program::program(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::program)
{
    ui->setupUi(this);
    wnd1 * w1 = new wnd1(this);
    QPushButton *b = ui->pushButton;
 
    connect(b, SIGNAL(clicked()), w1, SLOT(test()));
}

//program.cpp
program::program(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::program)
{
    ui->setupUi(this);
    wnd1 * w1 = new wnd1(this);
    QPushButton *b = ui->pushButton;

    connect(b, SIGNAL(clicked()), w1, SLOT(test()));
}

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