Java – Page 123 – Sharp: NCLEX, Java & Python

Java: Fields and State

Why can weak field modeling lead to design issues?

Why should fields generally be private in Java?

How does object state influence method execution?

How would you explain a common mistake when setting fields in a Java class in an interview?

How can final fields affect class design?

Why is encapsulation important in Java classes?

What are the design consequences of using mutable fields?

Why can all public fields in a class become a problem in practice?

How would you explain the 'this' keyword used for in a Java interview?

How can you safely allow access to a list of orders in a system?