Core Java
Syntax, data types, control flow and the JVM execution model.
Beginner to Intermediate · Course
Java Course
Master object-oriented programming, collections and database access with Java.
Course overview
About the Java course
Java remains one of the most widely used languages in industry, especially for backend and enterprise systems. This course builds a strong object-oriented foundation and then applies it.
You move from core syntax to OOP design, collections, exception handling and database access, so you can build real applications rather than isolated examples.
What you will learn
Learning outcomes
By the end of the course you will be able to do each of the following confidently.
Object-oriented design
Classes, inheritance, polymorphism, abstraction and encapsulation.
Collections framework
Lists, sets, maps and when to choose each one.
Exception handling
Write resilient code with proper error handling.
Database access
Connect to a relational database and run queries with JDBC.
Modern Java features
Streams, lambdas and functional style basics.
Course structure
Modules covered
Placeholder module outline — the detailed syllabus is shared during enrolment.
Module 1 — Java foundations
- JDK, JRE and JVM
- Variables, data types and operators
- Control statements and loops
- Arrays and strings
Module 2 — Object-oriented programming
- Classes, objects and constructors
- Inheritance and method overriding
- Abstraction and interfaces
- Encapsulation and access modifiers
Module 3 — Core libraries
- String, StringBuilder and wrapper classes
- Exception handling and custom exceptions
- File I/O basics
- Packages and build structure
Module 4 — Collections and generics
- List, Set, Map and Queue
- Iterators and comparators
- Generics fundamentals
- Choosing the right collection
Module 5 — Modern Java
- Lambda expressions
- Streams and functional operations
- Optional and date/time API
- Multithreading basics
Module 6 — Databases with JDBC
- SQL essentials
- JDBC connections and statements
- CRUD operations
- Mini project build
Projects
What you can build
Practical projects that turn the syllabus into a portfolio.
Employee management system
Console or desktop CRUD application backed by a relational database.
Banking transaction simulator
Accounts, transfers and statements using OOP design and exceptions.
Inventory tracker
Stock management with collections, reports and JDBC persistence.
Quiz application
Question bank, scoring and result history stored in a database.
Career opportunities
Roles this course prepares you for
Java leads directly into backend and enterprise development, and is the natural entry point to the Java Full Stack track.
Java Developer
Backend Developer
Software Engineer (Trainee)
Application Support Engineer
QA Automation Engineer
FAQ
Java — questions
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