What makes ExecutorService suitable for complex applications?
Why use ExecutorService for thread management?
Why is manually spawning threads risky in production code?
How do Thread Pools improve task efficiency?
When is a CachedThreadPool unsuitable?
What does ExecutorService's submit() method do?
Why avoid creating threads manually in high-traffic apps?
How does ExecutorService shutdown gracefully?
What happens when a FixedThreadPool is full?
What happens to tasks after shutdownNow()?