封装一个标签加文本框

class Mytextfield extends JTextField{

public Mytextfiled(String info,int x ,int y ,JFrame jf){

JLabel nn = new JLabel();

nn.setText(info);

nn.setBound(x-100,y,100,30);

jf.add(nn);

this.setzBound(x,y,100,30);

jf.add(this);

}

}