IBM Interview Questions and Answers

WAP to find sum of even numbers from given array using LinQ. Code to define Interface and Abstract class.

• Use LinQ's Where() method to filter even numbers

• Use Sum() method to find the sum of filtered even numbers

• Interface: define methods without implementation

• Abstract class: can have both implemented and unimplemented methods

Retesting is testing the same functionality again after fixing the defects while regression testing is testing the entire system after making any changes.

• Retesting is done to ensure that the defects found in the previous test cycle have been fixed

• Regression testing is done to ensure that the changes made to the system have not introduced any new defects

• Retesting is a subset of regression testing

• Regression testing is time-consuming and requires a lot of effort

• Framework of auto...read more

We are using Selenium version 3.141.59 in our project. The latest features include improved Firefox support and better error handling.

• Selenium version 3.141.59 is being used in our project

• Improved Firefox support is one of the latest features

• Better error handling is another latest feature

The automation framework used in my previous project was a keyword-driven framework.

• The framework was designed to allow testers to write test cases using keywords and reusable functions.

• It provided a high level of abstraction, making it easy for non-technical team members to create and maintain test scripts.

• Test data was stored in external files, making it easy to update without modifying the test scripts.

• The framework supported multiple browsers and platforms for cross-brows...read more

Code to store objects using collections

• Use ArrayList or LinkedList to store objects

• Declare the collection with the appropriate data type

• Add objects to the collection using the add() method

• Example: ArrayList names = new ArrayList();

• names.add("John");