package no1;


import java.awt.BorderLayout;

import java.awt.Container;

import java.awt.Dimension;


import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JTabbedPane;


@SuppressWarnings("serial")

public class OrderFrame extends JFrame {

Container c = getContentPane();


JButton btnAmericano = new JButton("Americano");

JButton btnLatte = new JButton("Latte");

JButton btnCappuccino = new JButton("Cappuccino");

JButton btnEspresso = new JButton("Espresso");

JButton btnChocoLatte = new JButton("ChocoLatte");

JButton btnColdBrew = new JButton("ColdBrew");


public OrderFrame() {

setDefaultCloseOperation(EXIT_ON_CLOSE);

setTitle("OrderSysUI");

setSize(700, 1000);

setUI();

setVisible(true);

}


private void setUI() {

setCoffeeTab();

setDesssertTab();

}


private void setDesssertTab() {

JTabbedPane tpDessert = new JTabbedPane();

JPanel pnlDessert = new JPanel();

pnlDessert.setPreferredSize(new Dimension(600, 800));

tpDessert.add("dessert", pnlDessert);

c.add(tpDessert);

}


private void setCoffeeTab() {

JTabbedPane tpCoffee = new JTabbedPane();

JPanel pnlCoffee = new JPanel();

pnlCoffee.setPreferredSize(new Dimension(600, 800));

pnlCoffee.add(btnAmericano);

pnlCoffee.add(btnLatte);

pnlCoffee.add(btnEspresso);

pnlCoffee.add(btnCappuccino);

pnlCoffee.add(btnChocoLatte);

pnlCoffee.add(btnColdBrew);


tpCoffee.add("coffee", pnlCoffee);

c.add(tpCoffee);

}


public static void main(String[] args) {

new OrderFrame();

}

}


실행하면 이렇게 나오는데 탭 두개다 표시 하려면 어떻게 해야 하나요?ㅠㅠ