Core Java – Page 42 – Sharp: NCLEX, Java & Python

Java: Code Reading and Refactoring to Objects

Why should you avoid many public fields in a class?

Why define a class for a product in an e-commerce application?

Why convert local variables to fields in a class?

How does object encapsulation aid debugging?

Why does constructors in Java matter in practice?

When should you refactor procedural code into an object-oriented design?

What signifies a compile-safe but weak object design?

How do methods improve over direct field access?

What happens if you try to use a variable before declaring it?

How can logic errors be identified in Java code?