Cognizant Project Associate Interview Questions, Process, and Tips

OOPs concept in Java stands for Object-Oriented Programming, which is a programming paradigm based on the concept of objects.

• OOPs focuses on creating objects that contain data and methods to manipulate that data.

• It involves concepts like inheritance, encapsulation, polymorphism, and abstraction.

• In Java, classes and objects are used to implement OOPs concepts.

• Example: Creating a class 'Car' with properties like 'brand' ...read more

Spring Boot is a framework that simplifies the development of Spring applications by providing pre-configured settings and conventions.

• Spring Boot eliminates the need for manual configuration by providing default settings and auto-configuration.

• It reduces the development time and effort required to set up a Spring application.

• Spring Boot includes embedded servers like Tomcat, Jetty, and Undertow, making it easier to de...read more

Design patterns in Java are reusable solutions to common problems encountered in software design.

• Design patterns help in creating maintainable, scalable, and reusable code.

• Examples of design patterns in Java include Singleton, Factory, Observer, and Strategy.

• They provide a general solution that can be adapted to various scenarios.

• Design patterns promote best practices and improve code readability.

PLSQL Objects are user-defined data types in PL/SQL that encapsulate data and behavior.

• PLSQL Objects are created using the CREATE TYPE statement.

• They can have attributes (data) and methods (behavior).

• Objects can be instantiated and used in PL/SQL programs.

• Example: CREATE TYPE Person AS OBJECT (name VARCHAR2(50), age NUMBER);

SQL is a standard language for managing relational databases, while PLSQL is Oracle's proprietary extension for SQL with procedural capabilities.

• SQL is a standard language used to manage and manipulate data in relational databases.

• PLSQL is Oracle's proprietary extension to SQL that adds procedural capabilities.

• SQL is used for querying and updating data, while PLSQL is used for writing procedural code like functions and...read more

Different techniques of performance tuning include indexing, query optimization, caching, and code refactoring.

• Indexing: Creating indexes on frequently queried columns to improve search performance.

• Query optimization: Rewriting queries to make them more efficient by reducing the number of operations or utilizing indexes.

• Caching: Storing frequently accessed data in memory to reduce the need for repeated database queries...read more

I was responsible for coordinating project activities, managing timelines, and ensuring deliverables were met.

• Coordinated project activities among team members

• Managed project timelines and deadlines

• Ensured project deliverables were met on time and within budget

Production in a company involves the process of converting raw materials or components into finished goods or services.

• Planning and scheduling production activities

• Procuring raw materials or components

• Manufacturing or assembling products

• Quality control and assurance

• Packaging and labeling

• Distribution and logistics

Login activities in app are managed by implementing secure authentication methods and tracking user login/logout events.

• Implement secure authentication methods such as OAuth, JWT, or biometric authentication

• Track user login/logout events to monitor user activity and detect any suspicious behavior

• Use session management to control user access and prevent unauthorized login attempts