• who is migrating to RxJava 3 from RxJava 2
• who is just getting started with RxJava

• Map -> transform the items emitted by an Observable by applying a function to each item
• Zip -> combine the emissions of multiple Observables together via a specified function and emit single items for each combination based on the results of this function
• Filter -> emit only those items from an Observable that pass a predicate test
• Concat -> emit the emissions from two or more Observables without interleaving them
• Merge -> combine multiple Observables into one by merging their emissions
• SwitchMap -> transform the items emitted by an Observable into Observables, and mirror those items emitted by the most-recently transformed Observable
• timer -> do something after a span of time that we specify
• delay -> shift the emissions from an Observable forward in time by a particular amount
• debounce -> only emit an item from an Observable if a particular timespan has passed without it emitting another item
• distinctUntilChanged -> suppress duplicate items emitted by an Observable

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   Copyright (C) 2024 Amit Shekhar

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Just make pull request. You are in!