Class1.java

public class Class1<Q> {
    class Gen<S> {}

    public <T> T methodTypeParam(T t) {
        return t;
    }

    public void classTypeParam(Q e) {}

    public <F> void wildcardExtends(Gen<? extends F> class1) {}

    public <F> void wildcardSuper(Gen<? super F> class1) {}
}