在JTable中添加下拉和复选框

package com.sky.swing;

import javax.swing.DefaultCellEditor;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellEditor;

/**
 * 在JTable中添加下拉
 * @author sky
 *
 */
public class MyComboBox {

 /**
  * @param args
  */
 public static void main(String[] args) {
  MyTable mytable=new MyTable();
  DefaultTableModel model=(DefaultTableModel) mytable.getModel();
  model.addColumn("姓名",new Object[]{"向小文","刘晓明"});
  model.addColumn("语文", new Object[] { "100","99" });
     model.addColumn("数学", new Object[] { "98","90" });
     model.addColumn("复选框", new Object[] { false,false });
   
    
     String[] values = new String[] { "90", "92", "93" };
     mytable.setComboCell(0, 1, new MyComboBoxEditor(values));//第一行的第二例为下拉
    
     JScrollPane jp=new JScrollPane(mytable);
     jp.setViewportView(mytable);
     jp.setSize(400,300);
     JFrame jf=new JFrame();
     jf.getContentPane().add(jp);
     jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     jf.setSize(400,300);
     jf.setVisible(true);
 }

}
//----------------表体table------------------
class MyTable extends JTable{
 int myRow=-1,myCol=-1;
 TableCellEditor myEditor;//边框编辑器
 
 public void setComboCell(int row,int col,TableCellEditor editor){
  this.myRow=row;
  this.myCol=col;
  this.myEditor=editor;
 }
 
 public TableCellEditor getCellEditor(int row,int col){
  if(row==myRow&&col==myCol&&myEditor!=null)
   return myEditor;
  return super.getCellEditor(row,col);
 }
 
  /**
   * 返回数据类型
   */
  public Class getColumnClass(int myCol) {
   return getValueAt(0, myCol).getClass();
  }
}

//-----------------------下拉编辑器-----------------------
class MyComboBoxEditor extends DefaultCellEditor{
 
 private static final long serialVersionUID = 1L;

 public MyComboBoxEditor(JCheckBox checkBox) {
  super(checkBox);
 }

 public MyComboBoxEditor(String[] value){
  super(new JComboBox(value));
 }
}

class MyCheckBoxEditor extends DefaultCellEditor{

 public MyCheckBoxEditor(JCheckBox checkBox) {
  super(checkBox);
 }
 
 public MyCheckBoxEditor() {
  super(new JCheckBox());
 }
 
 /**
  *
  */
 private static final long serialVersionUID = 1L;
 
}