Interfaces in Java

    interface IFoo {
        Bar getBar();
        void setBar(Bar bar);
        Baz getBaz();
        void setBaz(Baz baz);
        Qux getQux();
        void setQux(Qux qux);
    }

    interface IFoo<A,B,C> {
        A getA();
        void setA(A a);
        B getB();
        void setB(B b);
        C getC();
        void setC(C c);
    }

    interface IMyFoo extends IFoo<Bar, Baz, Qux> {}