Core Java – Page 39 – Sharp: NCLEX, Java & Python

Java: Code Reading and State Safety

How to refactor a class to improve encapsulation?

How would you explain a common mistake when exposing collections in an interview?

What does encapsulation achieve in Java?

Why is immutability crucial in multi-threaded applications?

Why should fields in a Java class often be private?

How would you explain a potential issue with setter-heavy designs in an interview?

How can you achieve immutability in a Java class?

Why use a List in Java?

Which feature best describes a Set?

How does a HashMap handle collisions?