1. Explain Spring Boot annotations.
2. Given a nested array like [1,3,4,[6,7,[8,5],9],2], flatten it to produce a single-dimensional array [1,3,4,6,7,8,5,9,2].
3. How can you find the maximum value in an array using Python without using built-in functions?
4. What is Black Box Testing?
5. Are you familiar with SQL JOINs and their types?