From the course: Build Spring Boot Apps with the Kotlin Programming Language
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Exceptions are unchecked
From the course: Build Spring Boot Apps with the Kotlin Programming Language
Exceptions are unchecked
- [Instructor] Hello, welcome to Chapter 12. In this chapter, we're going to be looking at exceptions. I should just say before we start, I've switched back to the learning Kotlin project and I've just created a brand new Kotlin file with a main method in. Now that's the only things I've done off camera. Okay, so we know that Kotlin does a lot to help us avoid the dreaded null pointer exception. It's possible to still get one, but we do have to work quite hard to do it. But what about other exception types? Well, first of all our code can, of course, generate exceptions if I did something like this. Let's println(7/0) and run that. We'll see we get a java.lang.ArithmeticException / by zero. So exceptions can occur just like they do in java and we can try and catch those exceptions. So for example, I could surround this in a try-catch block and let's catch an arithmetic exception. So the format, of course, is going to be the variable name. Let's call it e: variable type, which is…
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