您需要的两个的渲染器的和的和编辑，如本的例如的。见的如何使用表：编辑器和渲染器的对的详细信息。四角切圆，你应该覆盖的方法的isCellEditable（）在的TableModel 而不是扩展的JTable 。

You need both a renderer and and editor, as shown in this example. See How to Use Tables: Editors and Renderers for details. Tangentially, you should override the method isCellEditable() in your TableModel rather than extending JTable.