Java Interview Guide : 200+ Interview Questions and Answers - Creating Custom Exceptions

Java Interview Guide : 200+ Interview Questions and Answers - Creating Custom Exceptions

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial covers the creation and handling of custom exceptions in Java, distinguishing between checked and unchecked exceptions. It discusses best practices for exception handling, including the use of try with resources introduced in Java 7. The tutorial emphasizes the importance of global exception handling and provides examples to illustrate these concepts.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main difference between a checked and an unchecked exception in Java?

Checked exceptions must be declared or handled, while unchecked exceptions do not.

Unchecked exceptions must be declared or handled, while checked exceptions do not.

Checked exceptions are only used for runtime errors.

Unchecked exceptions are only used for compile-time errors.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you create a custom checked exception in Java?

By using the throws keyword.

By extending the Exception class.

By implementing the Serializable interface.

By extending the RuntimeException class.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to order catch blocks from specific to general exceptions?

To ensure that the most specific exception is caught first.

To avoid compilation errors.

To improve the performance of the program.

To make the code more readable.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you handle multiple exception types in a single catch block in Java 7 and later?

By using a switch statement.

By using a try-catch-finally block.

By nesting try blocks.

By using a multi-catch block with the 'or' operator.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using try-with-resources in Java?

It allows for multiple catch blocks.

It automatically closes resources, reducing boilerplate code.

It improves the performance of the program.

It allows for nested try blocks.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which interface must a resource implement to be used in a try-with-resources statement?

AutoCloseable

Serializable

Cloneable

Runnable

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why should exceptions not be used for flow control in a program?

They have a significant performance impact.

They make the code harder to read.

They can lead to security vulnerabilities.

They are too slow for this purpose.

Create a free account and access millions of resources

Create resources
Host any resource
Get auto-graded reports
or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?