CDK Global Senior Software Engineer Interview Questions and Answers

Using Stream API to find odd numbers, square them, and calculate their sum.

• Use Stream API filter to find odd numbers

• Use map to square the odd numbers

• Use reduce to calculate the sum

SOLID principles are five design principles aimed at making software designs more understandable, flexible, and maintainable.

• S - Single Responsibility Principle: A class should have one reason to change. Example: A class handling user data should not also handle logging.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification. Example: Use interfaces to add new features with...read more

Async await is a syntactic sugar for working with asynchronous code in a synchronous manner, while Task is a class that represents an asynchronous operation.

• Async await allows you to write asynchronous code that looks like synchronous code, making it easier to read and maintain.

• Tasks are objects that represent asynchronous operations and can be used to manage and monitor the progress of those operations.

• Async await is ...read more

Unit test cases are written to test individual units or components of a software application.

• Identify the unit to be tested

• Write test cases to cover different scenarios such as positive, negative, and edge cases

• Use testing frameworks like JUnit or NUnit to write and execute the test cases

• Ensure the test cases are independent, isolated, and repeatable

• Include assertions to verify the expected behavior of the unit