What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
AnswerBot
5mo
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.
Subclasses of a s...read more
Help your peers!
Add answer anonymously...
HCLTech Senior Java Developer interview questions & answers
A Senior Java Developer was asked 9mo agoQ. What are the differences between an abstract class and an interface?
A Senior Java Developer was asked Q. What are the SOLID principles?
A Senior Java Developer was asked Q. Tell me about Java 8 features.
Popular interview questions of Senior Java Developer
A Senior Java Developer was asked 9mo agoQ1. What are the differences between an abstract class and an interface?
A Senior Java Developer was asked Q2. What are the SOLID principles?
A Senior Java Developer was asked Q3. Tell me about Java 8 features.
Stay ahead in your career. Get AmbitionBox app
Trusted by over 1.5 Crore job seekers to find their right fit company
80 L+
Reviews
10L+
Interviews
4 Cr+
Salaries
1.5 Cr+
Users
Contribute to help millions
AmbitionBox Awards
Get AmbitionBox app
Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2025 Info Edge (India) Ltd.
Follow Us
