Explain Java Constructors and the super Keyword
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Technical Screen
What is a constructor in Java, how does it differ from a method, and when would you use super?
### What a Strong Answer Covers
Explain object initialization, constructor naming and return-type rules, constructor chaining, and access to an inherited implementation or hidden field. Distinguish calling a superclass constructor from overriding a method.
### Follow-up Questions
- What happens if a superclass has no accessible no-argument constructor?
- Why can calling an overridable method during construction be risky?
Overview: Explain Java object initialization, constructor chaining, and uses of super. Distinguish constructors from methods and examine superclass access and risks of virtual calls during construction.