Java – Page 240 – Sharp: NCLEX, Java & Python

Java: Code Review (Spotting Bugs)

Why is it important to separate business logic from presentation in system design?

What does JVM stand for?

How would you explain a common mistake leading to SQL injection in a Java interview?

How could using HashMap in a multi-threaded environment lead to issues?

How would you explain a telltale sign of SQL injection vulnerability in a Java interview?

Why do consumers need idempotency?

What should lead a strong code-review interview answer?

Why is SQL string concatenation a review blocker?

How would you explain a potential issue with using HashMap in multi-threaded environments in an interview?

How can SQL injection be avoided in Java applications?