public class Son {
    
    /**
     * 內部類繼承Father類
     */
    class Father_1 extends Father{
        public int strong(){
            return super.strong() + 1;
        }
    }
    
    class Mother_1 extends  Mother{
        public int kind(){
            return super.kind() - 2;
        }
    }
    
    public
 
 int getStrong(){
        return new Father_1().strong();
    }
    
    public int getKind(){
        return new Mother_1().kind();
    }
}