From the course: Kotlin Essential Training: Functions, Collections, and I/O

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try/catch as control flow

try/catch as control flow - Kotlin Tutorial

From the course: Kotlin Essential Training: Functions, Collections, and I/O

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try/catch as control flow

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- [Instructor] I don't know about you, but sometimes, maybe even most of the time, my code has bugs in it. Sometimes those bugs throw exceptions which may crash our programs. These can stem from things like trying to perform an operation on a null value or trying to divide by zero. There are many ways to work towards preventing these errors and one of which is try catch. We're going to continue our exploration of expressions in Kotlin by looking at how we can use try catch as an expression to write more concise, error safe code. So let's take a look at an example here. Val message = "the value is ${10 / 0}". What do you think will happen if we run this? If you guessed that our code will crash, you are correct. Dividing by zero throws an arithmetic exception which crashes our application when we run it. Try catch lets us catch these thrown exceptions without crashing and respond to them in some useful way. If we wrap…

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