package com.sample.test; import rx.Observable; import rx.Subscriber; public class pmdTest { private boolean stuff; public Observable<Boolean> testSuper() { return Observable.create( (Subscriber<? super String> subscriber) -> { stuff=true; }) .map(authToken -> false); } public Observable<Boolean> testSuper2() { return Observable.create( (subscriber) -> { stuff=true; }) .map(authToken -> false); } }