I agree. Understanding the inner working of languages and their runtimes is IMHO what gets you one step closer to a senior. Luckily, I had in my young career fe

I agree. Understanding the inner working of languages and their runtimes is IMHO what gets you one step closer to a senior. Luckily, I had in my young career few seniors in the team who knew a lot about Java and shared their knowledge about the behavior.