🚀 Cognizant Digital Nurture 5.0 – Java Full Stack

Welcome to my Cognizant Digital Nurture 5.0 learning repository.

This repository contains my hands-on labs, assignments, coding exercises, and practice solutions completed during the Java Full Stack Engineer learning program. The repository is organized week-wise according to the official curriculum and will continue to grow as I progress through the program.

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📚 Curriculum Breakdown

🟢 Week 1 – Engineering Concepts

Focused on strengthening programming fundamentals and software engineering concepts.

Topics Covered

• Design Patterns
  • SOLID Principles
  • Creational Patterns
  • Structural Patterns
  • Behavioral Patterns
• Data Structures & Algorithms (Java)
• PL/SQL Programming
• Test Driven Development (TDD)
• Logging Frameworks
  • SLF4J
  • Lombok

Technologies Used

• Java
• Maven
• PL/SQL
• JUnit
• Mockito
• SLF4J
• Lombok
• IntelliJ IDEA
• VS Code

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🔵 Week 2 – Spring Core & Persistence

Focused on understanding the Spring Framework and backend application development.

Topics Covered

• Spring Core
• Dependency Injection (DI)
• Inversion of Control (IoC)
• Maven
• Spring Data JPA
• Hibernate ORM
• Bean Lifecycle
• Annotation-based Configuration

Technologies Used

• Java
• Spring Core
• Spring Data JPA
• Hibernate
• Maven
• IntelliJ IDEA

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🔵 Week 3 – Spring Boot & REST APIs

Focused on building production-ready RESTful applications using Spring Boot.

Topics Covered

• Spring Boot 3
• RESTful Web Services
• Spring MVC
• API Documentation
• Spring Boot Actuator
• Spring Security (Introduction)
• Exception Handling
• Validation

Technologies Used

• Java
• Spring Boot
• Spring MVC
• REST APIs
• Spring Security
• Maven
• IntelliJ IDEA

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🟣 Week 4 – Microservices & Code Quality

Focused on scalable backend architecture and software quality.

Topics Covered

• Microservices Architecture
• Spring Cloud
• Eureka Server
• API Gateway
• Resiliency Patterns
• SonarQube
• Code Quality Analysis

Technologies Used

• Spring Boot
• Spring Cloud
• Eureka
• API Gateway
• SonarQube
• Maven

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🟠 Week 5 – React Fundamentals

Focused on building interactive user interfaces using React.

Topics Covered

• React Fundamentals
• JSX
• Components
• Props
• State
• Event Handling
• Conditional Rendering
• Lists & Keys

Technologies Used

• React.js
• JavaScript (ES6+)
• HTML5
• CSS3
• npm
• VS Code

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🟠 Week 6 – Advanced React, Git & CI/CD

Focused on frontend integration, version control, and development workflows.

Topics Covered

• React Forms
• Controlled Components
• Fetch API
• Axios
• API Integration
• Debugging React Applications
• Git Fundamentals
• Git Workflows
• GitHub
• CI/CD Basics

Technologies Used

• React.js
• Axios
• Fetch API
• Git
• GitHub
• npm
• VS Code

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🔴 Week 7 – Angular (v20.0), NgRx & Testing

Focused on building a comprehensive Student Course Portal single-page application using modern standalone Angular, RxJS, NgRx state management, dynamic forms, and unit testing.

Topics Covered

• Environment Setup, Angular CLI & Project Structure
• Component Architecture, Property Binding, Event Binding & Two-Way Binding
• Lifecycle Hooks (ngOnInit, ngOnChanges, ngOnDestroy)
• Component Communication (@Input, @Output, EventEmitter)
• Structural & Attribute Directives (*ngIf, *ngFor, *ngSwitch, [ngClass], [ngStyle])
• Custom Directive (appHighlight) & Custom Pipe (creditLabel)
• Template-Driven Forms & Validation
• Reactive Forms, FormBuilder, FormArray & Custom Validators (Sync/Async)
• Services & Dependency Injection Hierarchy
• Routing, Route Parameters, Query Parameters & Lazy Loaded Modules
• Route Guards (CanActivate, CanDeactivate)
• HttpClient API Integration, RxJS Operators (map, catchError, tap, retry, switchMap)
• HTTP Interceptors (Auth, Error Handling, Global Loading Spinner)
• NgRx State Management (Actions, Reducers, Effects, Memoised Selectors, DevTools)
• Unit Testing with Jasmine, Karma & TestBed (CourseCardComponent, CourseService)

Technologies Used

• Angular (v20.0)
• TypeScript
• RxJS
• NgRx (Store, Effects, Entity, DevTools)
• Jasmine & Karma
• JSON Server
• HTML5 & CSS3
• npm
• VS Code

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💻 Tech Stack

Programming Languages

• Java
• TypeScript / JavaScript (ES6+)
• SQL (PL/SQL)

Backend

• Spring Core
• Spring Boot
• Spring MVC
• Spring Data JPA
• Hibernate
• Spring Cloud
• REST APIs

Frontend

• Angular (v20.0)
• NgRx / RxJS
• React.js
• JSX
• HTML5
• CSS3

Databases

• H2 Database
• MySQL

Testing & Quality

• Jasmine & Karma
• JUnit
• Mockito
• SonarQube
• SLF4J
• Lombok

DevOps & Tools

• Git
• GitHub
• Maven
• IntelliJ IDEA
• VS Code

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📂 Repository Structure

Cognizant-DNS/
│
├── Week-1/
├── Week-2/
├── Week-3/
├── Week-4/
├── Week-5/
├── Week-6/
├── Week7/
└── README.md

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🎯 Repository Purpose

This repository serves as a record of my learning journey throughout the Cognizant Digital Nurture 5.0 – Java Full Stack Engineer program. It includes:

• ✅ Hands-on Labs
• ✅ Practice Programs
• ✅ Coding Exercises
• ✅ Assignments
• ✅ Spring Boot Projects
• ✅ React & Angular Applications
• ✅ Git Workflows

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🚀 Progress

Week	Status
Week 1	✅ Completed
Week 2	✅ Completed
Week 3	✅ Completed
Week 4	✅ Completed
Week 5	✅ Completed
Week 6	✅ Completed
Week 7	✅ Completed

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⭐ Future Updates

This repository will continue to be updated as I complete additional weeks of the Cognizant Digital Nurture 5.0 program, including new assignments, projects and topics.