To become a senior engineer, it is definitely not about seniority or enough Leetcode. In addition to solid technical skills, good senior engineers must also be mature enough in communication skills and mentality (I am still working on this aspect), in order to lead the entire team forward to...
Could you get that program to run in Java 11 without any code refactoring? It's running in Java 21 at the moment. I've done a lot of changes to it in order to use new features of Java so yes, if I wanted it to run in Java 11 I would have to refactor it by removing those c...