Core Java – Page 5 – Sharp: NCLEX, Java & Python

Java: Variables and Data Types

Why is variable naming important in Java?

When should you use long instead of int for quantities?

What happens if you call a method not defined in a superclass?

How does compile-time access differ from runtime dispatch?

How would you explain an interface’s role in a Java interview?

Why use abstraction in Java?

How should you choose a variable type in beginner Java?

Why is using double for product prices risky in production code?

Tradeoffs of Using double for Prices?

How can upcasting affect method calls in Java?