Error Handling and Exceptions

What is an Exception?

Error vs Exception

Exception Hierarchy

Using the `throw` Keyword

Throwing Objects

Custom Exception Messages

The `try-catch` Block

The `on` Clause for Specific Exceptions

The `catch` Clause to Handle Exception Objects

The `finally` Clause

Multiple Catch Blocks

Rethrowing Exceptions

`Exception`

`Error`

Built-in Exception Classes

Defining Custom Exception Classes

Throwing Custom Exceptions

Exception Best Practices

Understanding Stack Traces

Accessing Stack Trace Information

Stack Trace in Async Code