Java Corporate Training (45 Days-RoadMap)

 

🚀 Java Corporate Training (45 Days)

🔹 Mode: Hands-on Labs + Theory + Projects
🔹 Audience: Freshers, Developers, IT Professionals
🔹 Goal: Prepare students for Java Developer & Backend Engineer roles

📌 Week 1: Java Fundamentals & OOP

Day	Topic	Hands-on Exercises
Day 1	Java Introduction, Features, Setup	Install JDK, Run "Hello, World!"
Day 2	JVM, JDK, JRE, Java Compilation	Debug Java Execution Process
Day 3	Data Types, Variables, Constants	Convert data types, Swap variables
Day 4	Operators & Expressions	Develop a basic calculator
Day 5	Conditional Statements (if-else, switch)	Create a Grade Calculator
Day 6	Loops (for, while, do-while)	Fibonacci series, Factorial program
Day 7	Arrays (1D & 2D)	Find max/min, Sort an array

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📌 Week 2: Strings, OOP Concepts

Day	Topic	Hands-on Exercises
Day 8	Strings (charAt(), substring(), split())	Reverse a string, Find duplicates
Day 9	StringBuilder & StringBuffer	Compare performance of String vs StringBuilder
Day 10	Introduction to OOP, Classes & Objects	Create a Student class with attributes
Day 11	Encapsulation	Implement Getters & Setters
Day 12	Inheritance	Extend a Car class from Vehicle
Day 13	Polymorphism (Overloading, Overriding)	Create an overloaded calculate() method
Day 14	Abstraction & Interfaces	Implement BankAccount Interface

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📌 Week 3: Exception Handling, Collections, File Handling

Day	Topic	Hands-on Exercises
Day 15	Exception Handling (try-catch-finally)	Handle Divide by Zero exception
Day 16	Custom Exceptions	Create InvalidAgeException
Day 17	Introduction to Java Collections	Convert array to ArrayList
Day 18	List (ArrayList, LinkedList)	CRUD operations on Employee list
Day 19	Set (HashSet, TreeSet)	Remove duplicates from a list
Day 20	Map (HashMap, TreeMap)	Store & retrieve student marks
Day 21	File Handling (Read/Write)	Read a file & count words

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📌 Week 4: Multi-threading, Java 8 Features

Day	Topic	Hands-on Exercises
Day 22	Introduction to Multi-threading	Print numbers using two threads
Day 23	Synchronization & Deadlocks	Solve producer-consumer problem
Day 24	Java 8 Features (Lambdas, Streams)	Filter even numbers using Streams
Day 25	Functional Interfaces (Predicate, Consumer)	Implement custom Comparator
Day 26	Streams API (map(), reduce())	Find max value using reduce()
Day 27	Optional Class	Handle null safely using Optional
Day 28	Default & Static Methods in Interfaces	Create an interface with default methods

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📌 Week 5: JDBC & Servlets

Day	Topic	Hands-on Exercises
Day 29	Introduction to JDBC	Connect Java with MySQL
Day 30	CRUD Operations in JDBC	Insert, Update, Delete records
Day 31	Connection Pooling (HikariCP)	Optimize DB connections
Day 32	Introduction to Servlets	Create a HelloServlet
Day 33	Servlet Lifecycle (init, service, destroy)	Track request count
Day 34	Form Handling in JSP	Create a login form
Day 35	Session Management (Cookies, HttpSession)	Implement user authentication

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📌 Week 6: Spring Boot & REST API

Day	Topic	Hands-on Exercises
Day 36	Introduction to Spring Boot	Create a Spring Boot Project
Day 37	Creating REST APIs (@GetMapping, @PostMapping)	Build a CRUD API for Products
Day 38	Spring Boot + MySQL	Connect Spring Boot with MySQL
Day 39	REST API Error Handling	Return custom error messages
Day 40	Implement JWT Authentication	Secure API using JWT
Day 41	Spring Boot & Swagger Documentation	Generate API docs
Day 42	Deploying Spring Boot App on AWS	Host REST API on AWS

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📌 Week 7: Microservices & Final Project

Day	Topic	Hands-on Exercises
Day 43	Introduction to Microservices	Create a basic Microservice
Day 44	API Gateway & Eureka	Service discovery using Eureka
Day 45	Capstone Project	Develop a complete microservices project

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📌 Final Capstone Project (Last 5 Days)

Project Options:

✅ E-commerce App – (Spring Boot + JWT + MySQL + REST API)
✅ Employee Management System – (Spring Boot + Hibernate + Swagger)
✅ Library Management System – (JSP + Servlets + JDBC + MySQL)
✅ Hospital Appointment System – (Spring Boot + Microservices + API Gateway)

💡 Goal: Apply all concepts from the training.

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📌 Summary

🔹 Total Duration: 45 Days
🔹 Focus: Core Java (3 Weeks) + Advanced Java (3 Weeks) + Spring Boot & Microservices (2 Weeks) + Project (1 Week)
🔹 Mode: Hands-on + Real-world case studies
🔹 Outcome: Prepare students for Java Developer roles!