import com.demo.util.MyType; import com.demo.util.MyInterface; public enum Enum { VAL1, VAL2, VAL3 } public class Class<T, V> implements MyInterface { public static final MyType<T, V> member; private class InnerClass { public int zero() { return 0; } } @Override public MyType method() { return member; } public void method2(MyType<T, V> value) { method(); value.method3(); member = value; } }