我想检查使用ActionEvent e
和发生了哪个 actionEvent e.getSource()
。我可以为此使用开关盒吗?
public void actionPerformed(ActionEvent e){
switch(e.getSource()){
case radius:
double r = validate(radius.getText());
break;
case height:
double h = validate(height.getText());
break;
case out:
out.setText(String.valueOf(h*r));
break;
}
}