Defensive Copying – Page 2 – Sharp: NCLEX, Java & Python

Java: Defensive Copying

Why should internal collections not be exposed directly?

What does it mean for an object to be immutable?

How does defensive copying protect object integrity?

Why does returning a reference to a mutable internal collection change runtime behavior?

How does the private keyword support encapsulation?

What design choices help prevent collection leaks?

Why is returning a raw internal collection dangerous?

Why is encapsulation critical in object-oriented programming?

How do List.copyOf and unmodifiable views differ?