OperPanel() {
setLayout(null);
add(tabPanel);
Border border_1 = BorderFactory.createEtchedBorder(1);
tabPanel.setBorder(border_1);
tabPanel.setBounds(5, 5, 630, 630);
tabPanel.setLayout(new BorderLayout());
add(modiPanel);
Border border_2 = BorderFactory.createEtchedBorder(1);
modiPanel.setBorder(border_2);
modiPanel.setBounds(640, 5, 310, 630);
modiPanel.setLayout(null);
}