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Let’s take the GetSongUseCase example itself, suppose instead of call we named the function as myFunction.

So to use the function we will do something like this -

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Copy GetSongUseCase object = GetSongUseCase();

result = object.myFunction(); But using the call method we can simplify this as -

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Copy result = GetSongUseCase(); The call method will automatically get executed for us.

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this point is wrong u used the call with wrong way