200 Docker Commands PDF👆

I got multiple offers and these are the most asked repeatedly String + Array Interview Questions list

String-Based Questions
1. Reverse a string — without using built-ins.
2. Is it a palindrome? Let's find out.
3. Remove duplicates from a string — efficiently.
4. First non-repeating character — who stands alone?
5. Count how many times each character appears.
6. Flip the words in a sentence, not the letters.
7. Are two strings anagrams? Prove it.
8. Longest substring without repeats — sliding window style.
9. Build your own atoi — string to integer.
10. Compress strings with run-length encoding.
11. Most frequent character — who dominates?
12. List all possible substrings of a string.
13. Is one string a rotation of another?
14. Strip all white spaces from a string.
15. Is this a valid shuffle of two strings?
16. Convert text to Title Case — properly.
17. Find the longest common prefix among words.
18. Break a string into a char array — without confusion.
19. Replace spaces with %20 — classic URL trick.
20. Turn full sentences into acronyms.
21. Check if the string is all digits — no alphabets allowed.
22. Count how many words are in the string.
23. Remove a specific character — cleanly.
24. Find the shortest word in a sentence.
25. Longest palindromic substring — two-pointer style.

Array-Based Questions
26. Reverse an array in-place.
27. Find the largest and smallest element.
28. Check for duplicates in an array.
29. Remove duplicates — return only unique values.
30. Find the missing number from 1 to N.
31. Move all zeros to the end — keep order.
32. Rotate the array left/right by K positions.
33. Find the Kth largest/smallest element.
34. Merge two sorted arrays — without using extra space.
35. Find the intersection of two arrays.
36. Sort 0s, 1s, and 2s without using sort().
37. Find subarrays with a given sum.
38. Detect if a subarray sums to 0.
39. Find the longest increasing subsequence.
40. Kadane’s Algorithm — maximum subarray sum.
41. Check if array is sorted and rotated.
42. Rearrange array in max-min order alternately.
43. Find leaders in an array (no greater element to the right).
44. Calculate frequency of all elements in O(n).
45. Product of all elements except self.


Stay curious, keep learning, and keep sharing!

#Selenium related Interview Questions for #Automation #Testers:

🔹Basic Level:
1. What is Selenium?
2. What are the components of the Selenium suite?
3. What are the advantages of using Selenium?
4. What are the different types of locators in Selenium?
5. What is the difference between findElement() and findElements()?
6. How do you handle dynamic web elements in Selenium?
7. What are the different types of waits in Selenium?


🔹Intermediate Level:
1. What are the different types of WebDriver APIs available in Selenium?
2. How do you handle alerts and pop-up windows in Selenium?
3. What is the Page Object Model (POM)?
4. How do you handle iframes in Selenium?
5. How do you take screenshots in Selenium?
6. How do you handle file uploads in Selenium?
7. What are some common exceptions in Selenium WebDriver?


🔹Advanced Level:
1. How do you implement a data-driven framework in Selenium?
2. How do you integrate Selenium with TestNG or JUnit?
3. What is Selenium Grid? How does it work?
4. How do you handle cookies in Selenium?
5. How do you perform cross-browser testing with Selenium?
6. What are some best practices for writing Selenium tests?


🔹Coding Challenges:

1. Write a program to select a value from a dropdown list.
2. Write a program to handle a JavaScript alert.
3. Write a program to perform a drag and drop operation.
4. Write a program to take a screenshot of a web page.

😊 😊 😊

#AutomationTesting #ManualTesting#QA #QualityAssurance #Testing #Skill #InterviewQuestions #selenium

1960s: "Typewriter aaya, ab likhne ke liye itne log nahi lagenge!" 📝
1990s: "Computer aaya, ab 1000 ki jagah sirf 100 log kaam karenge!" 💻
2020s: "AI aayi, ab 100 ki jagah sirf 10 log kaam karenge!" 🤖
2030s: "AI ne sochna bhi shuru kiya, ab boss bhi ghar baithega!" 🧠
2035s: "AI ne AI bana liya… ab company me sirf WiFi router bacha hai!" 📡
2040s: "WiFi bhi chala gaya… ab bas ek board laga hai – 'Company thi yahan'" 🚪

💡 Moral of the story:
Work smart, adapt faster, and never underestimate the WiFi router. 😅

#AI #Automation #FutureOfWork #TechHumor #OfficeJokes #WorkLife #DigitalTransformation #CodingTutorial