Java Programming for Complete Beginners - Java 16 - Step 11 - Throwing a Custom Exception – CurrenciesDoNotMatchExceptio

The video tutorial explains how to create a custom exception in Java, specifically a 'CurrenciesDoNotMatchException'. It covers the process of defining the exception class, extending the Exception class, and adding a message to the exception. The tutorial also discusses the differences between checked and unchecked exceptions, and when to use each type. It emphasizes the importance of considering the consumer of the exception when deciding whether to make it checked or unchecked.

What is the first step in creating a custom exception in Java?

• Extend the Exception class

• Implement the Serializable interface

• Create a static method

• Override the toString method

Why is it beneficial to add a message to a custom exception?

• To increase the file size

• To provide more context about the error

• To make the code run faster

• To avoid using try-catch blocks

How can you pass a message to the superclass in a custom exception?

• By using a static block

• By using a private method

• By using the 'super' keyword

• By using the 'this' keyword

What is a key difference between checked and unchecked exceptions?

• Checked exceptions must be handled or declared

• Unchecked exceptions are faster to execute

• Checked exceptions are only for syntax errors

• Unchecked exceptions cannot be caught

When should you use a checked exception?

• When the exception is related to network issues

• When the consumer must handle the exception

• When the exception is related to user input

• When the exception is rare