Domande di colloquio presso Ksolves

Q.Infra related question and project discussions

Ksolve Technical Round 2 questions 1.what is low level and high level language 2. what is constructor 3. jvm jdk and jre 4. foreign key 5. joins and types of joins 6. compile time binding and Run time binding 7. acess modifiers 8. commit and rollback 9. super keyword 10. difference between throws and throw 11. mysql query to get second highest 12. query to fetch names starting from letter a 13. you have 8 balls and you have to find lowest weighetage ball 14. CODING- cyclic rotation of array kth time 15. 3 approaches to reverse a string 16. what you will do when you are stuck in a problem and no one is there to guide you even there is no internet options 17. exceptions and exception handling 18. about git and github 19. collections 20. difference between hashmap and hashtable 21. what are the types of css 22. types of selectors 23. which css type have highest priority 24. if you applied all three types of css in span which style it will follow 25. all the four pillars of opps with example Ksolve round 3 technical questions 1. Can you let me know what is Object-Oriented Programming (OOP)? What does it mean? 2. How does Java differ from other languages (like C and Python)? 3. What do you understand by Classes and Objects? 4. What is Inheritance? 5. What is Polymorphism? 6. What is JVM (Java Virtual Machine)? What does it stand for? 7. What is final keyword in Java? 8. What are the Wrapper Classes? 9. What are Servlets? 10. What are Collections in Java? 11. What is Multithreading? 12. What is the difference between Synchronous and Asynchronous programming? 13. What is the difference between HashMap and Hashtable? 14. What are the differences between ArrayList and LinkedList? 15. Do you know about Git? (Specifically, how to create a new branch). Programming Challenges (Logic/Coding) Logic Problem 1: Array Element Frequency ⦁ Write a logic to identify the occurrence/frequency of the number '1' in an array. Array given: [1, 2, 1, 3, 1, 4, 1, 5] Logic Problem 2: String Character Frequency ⦁ Write a logic to identify the frequency of characters in a string. String given: "PROGRAMMER" Logic Problem 3: Sort Array Logic Problem 4: Remove Duplicates from String Aptitude topics; 1. Ratio & Proportion 2. Time & Work 3. Time, Speed & Distance 4. Simple & Compound Interest (SI/CI) 5. Permutation & Combination (P&C) 6. Partnership 7. Basic DI (Data Interpretation) 8.Average 9.coding dicoding 10.time, work and distance 1. Series & Missing Number 2. Probability 3. Number System 4. Ages Problems 5. Percentages 6. Profit & Loss