Computer scienceProgramming languagesKotlinConcurrency and parallelismConcurrency

Asynchronous programming techniques & problems

What is callback?

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In the following example, we call the prepareData function with one lambda function as an argument.

prepareData { data ->
    sendToServer(data)
}

This sendToServer lambda is often referred to as a callback. What does the term 'callback function' mean?

Select one option from the list

It's called in backward order: first sendToSever then prepareData

It's called by the system when the first function finishes

It's called when the application finishes

It's called by the first function when it's ready

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