if(e.getActionCommand()=="参数法画圆"){ p=11 } } //actionPerformed //实现接口Window
if(e.getActionCommand()=="参数法画圆"){ p=11 } } //actionPerformed //实现接口Window...
if(e.getActionCommand()=="参数法画圆"){ p=11 } } //actionPerformed //实现接口Window...
class NumberListener implements ActionListener{ public void actionPerformed(ActionEvent e){ if (...