🚀Deloitte SDET-1 Interview Experience (1-3 Years)

📝 Interview Questions
Testing Concepts –
✅ What is Agile methodology?
✅ Difference between Smoke Testing and Sanity Testing.
✅ Explain Boundary Value Analysis with an example.

Java –
✅ Difference between String, StringBuilder, and StringBuffer.
✅ Difference between HashMap and Hashtable.
✅ What is Method Overloading and Method Overriding? Explain with code.
✅ Write a program to find the second largest number in an array.
✅ Write a program to find the missing number in a given range.

SQL –
✅ Difference between COUNT(*) and COUNT(column).
✅ Difference between WHERE and HAVING.
✅ Difference between UNION and UNION ALL.

Selenium –
✅ How many types of alerts are there?
✅ Is Alert a class or an interface?
✅ Does Selenium support browser alerts?
✅ How do you handle multiple browser windows? Write the code.
✅ Difference between findElement() and findElements().
✅ What is StaleElementReferenceException? How do you handle it?
✅ If an alert appears and you don’t handle it, which exception will occur?
✅ Write an XPath using following-sibling only.

Web & HTTP –
✅ Difference between HTTP Status Code 401 and 403.