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

Java: Code Review (Spotting Bugs)

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

Why is managing threads in controllers problematic?

How would you explain a concrete example of a resource leak in a Java interview?

How can a deadlock be identified in multi-threaded code?

How would you explain a memory leak in the context of Java applications in an interview?

How can SQL injection be avoided in Java applications?

Why should new Thread() not be used directly in Java controllers?

Why does not using Exponential Backoff in retries matter in practice?

What does the outbox pattern protect against?

Why do consumers need idempotency?