RxJavaisnotjustapopularlibraryforbuildingasynchronousandevent-basedapplications;italsoenablesyoutocreateacleanerandmorereadablecodebase.Inthisbook,you’llcoverthecorefundamentalsofreactiveprogrammingandlearnhowtodesignandimplementreactivelibrariesandapplications.LearningRxJavawillhelpyouunderstandhowreactiveprogrammingworksandguideyouinwritingyourfirstexampleinreactivecode.You’llgettogripswiththeworkingsofObservableandSubscriber,andseehowtheyareusedindifferentcontextsusingreal-worldusecases.ThebookwillalsotakeyouthroughmulticastingandcachingtohelppreventredundantworkwithmultipleObservers.You’llthenlearnhowtocreateyourownRxJavaoperatorsbyreusingreactivelogic.Asyouadvance,you’llexploreeffectivetoolsandlibrariestotestanddebugRxJavacode.Finally,you’lldelveintoRxAndroidextensionsanduseKotlinfeaturestostreamlineyourAndroidapps.Bytheendofthisbook,you'llbecomeproficientinwritingreactivecodeinJavaandKotlintobuildconcurrentapplications,includingAndroidapplications.