import java.awt.Container;import java.awt.GridLayout;import javax.swing.BorderFactory;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JTabbedPane;class Charge{    JFrame frame=new JFrame("ChargeFeeConsole");    Container cont=frame.getContentPane();    JTabbedPane tab=null;    JPanel pan1=new JPanel();    JPanel pan2=new JPanel();    public ChargeFeeConsole1() {        tab=new JTabbedPane(JTabbedPane.TOP);        JButton but=new JButton("按钮");        JLabel lab=new JLabel("标签");        pan1.setBorder(BorderFactory.createTitledBorder("文件设置"));        pan1.setLayout(new GridLayout(1,3));        pan1.add(but);        pan2.add(lab);        tab.addTab("fdf", pan1);        tab.addTab("文字选项", pan2);        cont.add(tab);        frame.pack();        frame.setSize(330,120);        frame.setLocation(300, 200);        frame.setVisible(true);    }        }public class ChargeFee {    public static void main(String[] args) {                new Charge();            }    }