Cognizant Associate Interview Questions, Process, and Tips for Experienced

Observables are data streams that can be subscribed to, allowing for asynchronous programming and handling of multiple values over time.

• Observables are part of the RxJS library in JavaScript, commonly used in Angular applications.

• They can emit multiple values over time, including errors and completion signals.

• Advantages include easier handling of asynchronous operations, better error handling, and support for operators

I am a dedicated and hardworking individual with a passion for learning and growth.

• I have a strong work ethic and always strive to exceed expectations.

• I am a quick learner and adapt well to new environments.

• I have experience in project management and team collaboration.

• I am proficient in various software programs such as Microsoft Office and Adobe Creative Suite.

I have a Bachelor's degree in Business Administration and 5 years of experience in marketing.

• Bachelor's degree in Business Administration

• 5 years of experience in marketing

I have strong communication skills, attention to detail, and problem-solving abilities.

• Strong communication skills - able to effectively convey information and ideas

• Attention to detail - meticulous in reviewing work for accuracy

• Problem-solving abilities - skilled at analyzing situations and finding solutions

• Example: Led a team project where I communicated tasks clearly, paid attention to details in the project plan, an

Agile methodology is a project management approach that emphasizes flexibility, collaboration, and iterative development.

• Agile focuses on delivering value to customers through continuous planning, feedback, and adaptation.

• It involves breaking down projects into smaller, manageable tasks called sprints.

• Teams work closely together and with stakeholders to prioritize tasks and make quick decisions.

• Common agile frameworks ...read more

Exceptions handling in Java involves using try, catch, and finally blocks to handle errors and prevent program crashes.

• Use try block to enclose the code that may throw an exception

• Use catch block to handle the exception and provide alternative code to execute

• Use finally block to execute code that should always run, regardless of whether an exception is thrown

• Examples: try { // code that may throw exception } catch (Exc...read more

Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more

Oops concepts in Java refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability of a method to do different things based on the object it is acting upon.

• Abstraction: Hiding the imp...read more

Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a single immutable state tree.

• Redux is commonly used with React to manage the state of components.

• It follows a unidirectional data flow, where actions are dispatched to update the state.

• Reducers are pure functions that specify how the state changes in response to actions.

• The state is stored in a single immutable s...read more

Object.freeze is a method in JavaScript used to make an object immutable.

• Prevents adding or removing properties

• Prevents changing existing property values

• Nested objects are not deeply frozen