Java Certification – From Core Concepts to Enterprise Applications
Master core Java, object‑oriented programming, collections, multithreading and modern frameworks like Spring Boot to prepare for Java developer roles and certification exams.
About This Course
This course is designed to give you strong, industry‑ready skills in Java programming. You’ll start with language basics and object‑oriented concepts, then move into collections, exception handling, file I/O, generics and multithreading.
You will then work with JDBC, unit testing and Spring Boot to build real backend services and REST APIs. The curriculum is aligned with common Java certification exam topics and Java developer interview expectations.
Syllabus Covered
Module 1
Core Java & OOP Foundations
- JDK, JVM, JRE – how Java runs your code
- Data types, operators, control flow & arrays
- Classes, objects, constructors & access modifiers
- Inheritance, polymorphism, abstraction & interfaces
- Packages, encapsulation & coding best practices
Module 2
Collections, Generics & Exception Handling
- Exception hierarchy, try‑catch‑finally & custom exceptions
- Java Collections Framework: List, Set, Map, Queue
- Iterators, Comparable & Comparator
- Generics & type safety
- Working with streams & lambda expressions (Java 8+)
Module 3
Multithreading, File I/O & JDBC
- Threads, Runnable, synchronization & deadlocks
- Executor framework & concurrency utilities
- File I/O (NIO.2), reading & writing files
- JDBC: connecting Java to relational databases
- CRUD operations, prepared statements & transactions
Module 4
Spring Boot, Testing & Certification Prep
- Intro to Spring & Spring Boot
- Building REST APIs with Spring Web
- Data access with Spring Data JPA / JDBC
- JUnit & Mockito for unit testing
- Exam‑style practice questions & mock tests
- Capstone: Java + Spring Boot backend service
Top Companies Hiring Java Developers
Java powers enterprise systems, Android apps and backend services in companies around the world.
What You Will Achieve in This Java Certification Program
Gain the skills and confidence to build robust Java applications and clear certification exams.
Strong Core Java
Understand the language deeply so you can debug, refactor and reason about any Java codebase.
OOP & Design
Apply object‑oriented principles and common patterns to build maintainable applications.
Enterprise‑Ready Skills
Work with Spring Boot, REST APIs and databases – the building blocks of enterprise Java apps.
Testing & Quality
Write unit tests with JUnit & Mockito to keep your codebase reliable and regression‑free.
Certification Readiness
Practice with exam‑style questions so you feel confident appearing for Java certification exams.
Mentor Guidance
Get feedback on your code, architecture choices and exam prep from experienced Java developers.
Tools & Technologies You Will Use
Work with the Java ecosystem tools you’ll see in real developer roles.
Java 8+ SDK
IntelliJ IDEA / VS Code
Maven / Gradle
Spring Boot
JUnit & Mockito
Git & GitHub
Roles & Learning Journey
See how this Java course maps to backend roles and how your skills develop across 14 weeks.
Enterprise Java Stack
Learn the language, libraries and frameworks that power enterprise backends around the world.
Career Roles You Can Target
Align your projects and skills with backend‑focused Java positions across companies.
Your 14‑Week Learning Journey
A structured roadmap from Java beginner to certification‑ready backend developer.