📌 Round 1 – Java + Coding + OOPS:
1️⃣ Explain OOPS principles with real examples.
2️⃣ Difference between ArrayList and LinkedHashSet.
3️⃣ Write a Java program to reverse a string without using reverse().
4️⃣ Explain StringBuilder vs StringBuffer.
5️⃣ How do you handle NullPointerException in Java?
6️⃣ Write a program to check if two strings are anagrams.
7️⃣ Explain final, finally, and finalize.
8️⃣ Difference between HashMap and HashTable.
9️⃣ Write a program to rotate an array by K positions.
📌 Round 2 – Selenium + Automation Framework:
1️⃣ Explain Page Object Model and its benefits.
2️⃣ Difference between implicit, explicit, and fluent waits.
3️⃣ How do you handle dynamic elements using XPath?
4️⃣ Explain TestNG annotations and their order.
5️⃣ How do you capture screenshots for failed cases?
6️⃣ Explain DataProvider in TestNG with an example.
7️⃣ Scenario: Login button becomes enabled only after API call – how to handle?
8️⃣ How do you manage parallel execution in Selenium?
9️⃣ Explain use of DesiredCapabilities in Selenium.
📌 Round 3 – API + SQL + Advanced Questions:
1️⃣ SQL: Write a query to fetch the second highest salary without LIMIT/TOP.
2️⃣ How to validate API response body and schema using Rest Assured?
3️⃣ Difference between POST and PUT in REST API.
4️⃣ Scenario: Your API returns 500 Internal Server Error – how do you debug?
5️⃣ How do you handle SSL certificates in API automation?
6️⃣ Explain integration of Selenium scripts with CI/CD tools like Jenkins.
7️⃣ How do you design a Hybrid Automation Framework?
8️⃣ Write a program to find duplicate elements in an array.
9️⃣ Scenario: Application loads slowly causing TimeoutException – how do you fix this?
