Round 1(Online Test): MCQ’s
Round 2:
- Design LRU cache and write the code and the operation complexity must be O(1)
- API Management tools
- How can u make your API’s secure
- Logger management tools.
- Java basic questions
Round 3:
- What are the design principals and design patterns?
- Talk about facade design pattern.
- Difference between Callable vs Runnable.
- What does callable interface return?(java.util.concurrent.Future Object).
- What is cloning and difference between deep cloning and shallow cloning.
- What r the difference between JDK 8 and JDK11
- How hashMap works? what r the collision-removing techniqes. What r the disadvantages of quadratic probing? When hashpmap uses LinkedList and Binary search tree? What is TREEIFY_THRESHOLD and what’s its initial size?
- What are the methods in Object class and its functiong?
- Memory Management in java( when if uses stack, heap etc.)
- Can we create customError class?