//**************CONCATENATION************************


 //---concatenate the strings and display in text area control
        String firstName = txtFirst.getText().toString();
        String lastName = txtLast.getText().toString();
        String fullName = (firstName + " " + lastName).toString();
        
        //---be sure to set linewrap property to true in text Area control
        txtMsg.setText("Thanks for visiting our store, " + fullName + "." + " Buy more next time!!!");