public?class?People?
{
????String?language="language";
????String?people="people";
????void?speak()
????{
????????System.out.println(this.people+"說"+this.language);
????}
}

public?class?American?extends?People?
{
????String?people="美國人";
????String?language="英語";
}

public?class?Chinese?extends?People?
{
????String?people="中國人";
????String?language="漢語";
}

public?class?test?
{
????public?static?void?main(String[]?args)?
????{
????????People?amer=new?American();
????????People?chi=new?Chinese();
????????amer.speak();
????????chi.speak();
????}
}