Master Core Javalive training · 4–5 Months · any time zone
Java basics and OOP fundamentals — hands-on live sessions with a working developer. Build real projects and get placement support until you land the job.
Core Java Course Overview
Looking for a Core Java course that is practical, not just theory? Three decades on, Java still runs the systems businesses can't afford to break — from payment gateways to airline reservations and trading engines. At Getin Technologies you learn Java, Spring Boot, Hibernate, Maven the way real teams use them — through mentor reviews and client-style projects. You move at your own pace from fundamentals to real java skills, prepare for globally recognised certifications, and finish with the confidence to step into Java Developer or Backend Developer roles from anywhere. Java basics and OOP fundamentals.
Meet Your Trainer
Worked with enterprise clients across Singapore, UAE and India building high-throughput microservices. Trained 1,000+ professionals globally through Getin Technologies.
Real Projects You'll Build
Why Learn Core Java?
- Decades of libraries and frameworks mean almost any problem already has a proven Java solution.
- Java's portability — write once, run anywhere — keeps it embedded in systems that rarely get rewritten.
- Strong community support and abundant documentation make problems easier to solve as you learn.
Prerequisites: No prior coding experience is required — we begin with programming fundamentals. Basic logical thinking and consistency are all you need.
Who This Course Is For
- Aspiring backend & enterprise software developers
- Engineering graduates targeting product-company roles
- Android and big-data engineers who want a stronger core-language base
- Freelancers expanding their service offering
- Freshers & recent graduates starting their career
Detailed Syllabus — 9 Modules
Hands-on, project-based curriculum covering everything you need.
01Java Foundations
- JDK installation & IDE setup (IntelliJ / VS Code)
- Data types, variables, operators & expressions
- Control flow — if/else, switch and loop constructs
- Methods, parameters, return types & recursion
- Arrays, varargs and command-line arguments
- Input/output with Scanner and System.out
- Debugging basics and reading stack traces
02Object-Oriented Programming (OOP)
- Classes, objects, constructors & instance lifecycle
- Encapsulation — access modifiers, getters & setters
- Inheritance — extends, super keyword, method overriding
- Polymorphism — compile-time and run-time dispatch
- Abstraction — abstract classes & interfaces
- Static vs instance members and inner classes
- Packages, imports and project organisation
03Java I/O & Concurrency
- File I/O with FileReader, FileWriter and BufferedIO
- Serialization, deserialization and ObjectStream
- Thread lifecycle — creating & managing threads
- Runnable, Callable and Future interfaces
- synchronized, volatile and atomic variables
- ExecutorService and thread pools
- Deadlock detection and prevention strategies
04Collections Framework & Generics
- List — ArrayList, LinkedList, Stack and Vector
- Set — HashSet, LinkedHashSet and TreeSet
- Map — HashMap, LinkedHashMap and TreeMap
- Queue, Deque and PriorityQueue patterns
- Generics — type parameters, wildcards, bounded types
- Comparable vs Comparator for custom sorting
- Collections utility class and Big-O complexity guide
05Modern Java (Java 8–17+)
- Lambda expressions and functional interfaces
- Stream API — map, filter, reduce, flatMap, collect
- Optional — avoiding NullPointerException elegantly
- Default and static methods in interfaces
- Date/Time API — LocalDate, ZonedDateTime, Duration
- Records, sealed classes and pattern matching (Java 17)
- Text blocks and enhanced switch expressions
06Exception Handling & JDBC
- Checked vs unchecked exceptions and the exception hierarchy
- try-catch-finally and multi-catch blocks
- Custom exception classes and exception chaining
- JDBC architecture, DriverManager and Connection
- PreparedStatement, CallableStatement vs Statement
- ResultSet navigation, scrollable sets and batch updates
- Connection pooling with HikariCP
07Design Patterns
- Creational — Singleton, Factory, Abstract Factory, Builder
- Structural — Adapter, Decorator, Facade, Proxy, Composite
- Behavioral — Observer, Strategy, Command, Template Method
- MVC pattern applied to Java applications
- SOLID principles with code examples
- Refactoring to patterns — identifying smells in real code
- Anti-patterns to avoid in enterprise Java
08Spring Boot & REST APIs
- Spring IoC container, beans and dependency injection
- Spring Boot auto-configuration and starter dependencies
- Building RESTful APIs — @RestController, @RequestMapping
- Spring Data JPA with Hibernate ORM and entity mapping
- Input validation with Bean Validation (JSR-380)
- Spring Security fundamentals — JWT authentication
- Writing unit and integration tests with JUnit 5 & Mockito
- Maven build lifecycle, profiles and application.yml
09Microservices, Docker & Capstone
- Microservices architecture — service decomposition principles
- Spring Cloud — Eureka discovery and API Gateway
- Inter-service communication with REST and OpenFeign
- Docker — images, containers, Dockerfile and multi-stage builds
- Docker Compose for local multi-service stacks
- CI/CD pipeline basics with GitHub Actions
- Capstone project — full Java application with deployment
- Portfolio review, placement mock interviews and referrals
Your 4-Month Learning Roadmap
Week-by-week progression from zero to job-ready Java developer.
- Set up Java dev environment
- Write first Java programs
- Master syntax and control flow
- Design class hierarchies
- Apply encapsulation & polymorphism
- Understand SOLID principles
- Read and write files safely
- Build multi-threaded apps
- Manage thread safety
- Use Streams and Lambdas
- Pick the right data structure
- Write functional-style Java 17
- Apply GOF patterns in code
- Refactor legacy smells
- Follow clean architecture
- Build production REST APIs
- Connect to real databases
- Secure endpoints with JWT
- Design microservice systems
- Containerise with Docker
- Deploy with Compose
- Ship a full portfolio project
- Ace technical interviews
- Job referrals & placement
Tools & Skills You'll Master
Student Success Stories
Real alumni who transformed their careers through Getin Technologies.
What You'll Be Able To Do
By the end of the Core Java course, you will be able to:
- Package and ship a Java service with Maven, JUnit and Git
- Handle concurrency and multithreading in real applications
- Build and deploy REST APIs with Spring Boot
Global Certifications You Can Earn
We prepare you for globally recognised Core Java certifications.
Job Roles & What They Pay
Roles you can target after completing Core Java training — with real salary ranges.
- Write Java classes and business logic
- Build CRUD apps with JDBC/Hibernate
- Write unit tests with JUnit
- Participate in code reviews
- Design and build REST APIs
- Integrate databases with Spring Data JPA
- Implement authentication with JWT
- Optimise query performance
- Build end-to-end features (Java + React)
- Design database schemas & relationships
- Deploy applications to AWS/GCP
- Lead sprint deliverables
- Architect microservices at scale
- Write high-throughput concurrent systems
- Drive technical design discussions
- Mentor junior developers
Career Outcomes
Roles you can apply for after completing this course:
Why Learn with Getin Technologies
- Real, client-style projects for your portfolio
- Global certification preparation & guidance
- Industry trainers with years of MNC experience
- Recorded sessions & lifetime access to materials
Frequently Asked Questions
What's the difference between Core Java and Advanced Java?
Core Java covers the language itself — syntax, OOP, collections. Advanced Java adds JDBC, servlets, JSP and the libraries used to build real backend applications.
Can Java help me get into Android development?
Yes — Java is a first-class Android language, and the OOP and core skills here transfer directly into Android app work.
Is placement support included with the Core Java course?
Yes — you get resume building, mock interviews and referrals to 200+ hiring partners, plus remote-job guidance after the Core Java course.
Can I take the Core Java course online from another country?
Yes. All Core Java batches are 100% live and interactive online, so you can learn from anywhere in any time zone — India, UAE, USA, UK, Australia and more.
India
Australia
Saudi Arabia
UAE
New Zealand
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