{公有属性/状态储存声明}
Sex: string;
published
{公共属性发布声明}
{构造函数}
constructor create;
{具有读/写方法的属性声明}
property Name:string read FName write FName;
property Age: Integer read FAge write SetAge;
end;
TClass2=class
private
FSex: string;
published
constructor create;
end;
TClass11=class(TClass1)
public
{覆盖了父类中同名的方法,提升了方法的可见性}