TIAA Global Business Services Interview Questions, Process, and Tips

I have extensive experience in system design and architecture.

• I have designed and implemented complex systems for various clients.

• I have expertise in designing scalable and fault-tolerant systems.

• I have experience in selecting appropriate technologies and frameworks for system design.

• I have worked on both monolithic and microservices-based architectures.

• I have designed and implemented RESTful APIs and message-based sys...read more

Yes, design patterns are reusable solutions to common software problems.

• Creational patterns: Singleton, Factory, Abstract Factory

• Structural patterns: Adapter, Decorator, Facade

• Behavioral patterns: Observer, Strategy, Command

• Use cases: improving code quality, reducing development time, promoting code reuse

• Example: Singleton pattern ensures only one instance of a class is created and provides a global point of access to

Oops concepts are the fundamental principles of Object-Oriented Programming.

• Encapsulation - binding data and functions together

• Inheritance - creating new classes from existing ones

• Polymorphism - ability of objects to take on many forms

• Abstraction - hiding implementation details from users

Acid properties refer to the characteristics of acids that distinguish them from other substances.

• Acids have a sour taste and can corrode metals.

• They turn blue litmus paper red.

• They react with bases to form salts and water.

• They have a pH less than 7.

• Examples of acids include hydrochloric acid, sulfuric acid, and acetic acid.

Fibonacci sequence can be efficiently calculated using dynamic programming.

• Create an array to store the Fibonacci numbers

• Initialize the first two values of the array as 0 and 1

• Use a loop to calculate the Fibonacci numbers and store them in the array

• Return the nth Fibonacci number from the array

• Time complexity: O(n)

• Space complexity: O(n)

HTML page with a button to print text when clicked

• Create a button element in HTML

• Add an onclick event to the button that calls a JavaScript function

• In the JavaScript function, use the window.print() method to print text