Java

Java For Work

Enhance your Java skills with Vidya's Java for Work course. Designed for professionals, this practical training covers real-world Java programming, best practices, and industry-relevant topics to boost your productivity and career growth.

Description

According to Oracle, almost 20 billion devices run Java. It was the first language for Android, and it powers AI, microservices, serverless, machine learning pipelines, and much of the critical infrastructure in modern applications.

Java For Work starts from primitives like conditionals, loops, and objects and builds up to the topics that matter at work: AI, security, structured concurrency, functional programming, cloud-native APIs, and observability you won't find covered together anywhere else.

What makes this course different

The typical Java course teaches you to code in Java, not to build production software in Java. Those are different skills, so you go back to work ready for toy LeetCode problems and unprepared for what your team faces when it has to deliver for real customers.

Java for Work rests on a simple premise: the greatest asset in professional engineering is understanding the craft of building software, not memorizing syntax. The course uses Java 25, the latest LTS release companies should migrate to as soon as possible, and applies hard lessons learned over many years about architecting and designing code for maintainability and productivity.

When you finish this course, you will be a professional Java engineer.

What You'll Learn

Course Syllabus

About 17 hours total across four lessons of 4 to 5 hours each. Spread them across four days or combine them into longer blocks.

Lesson 1: A Java Refresher

4 hours

Refresh the fundamentals, from classes and collections to error handling, with IntelliJ and Gradle at your side.

A Brief History of Java
Tooling: IntelliJ IDEA and Gradle
The Anatomy of a Java Class
Primitives and Objects
Control Structures
The Three Collections You Have to Know
Practical Error Handling
Enums
Annotations

Lesson 2: Combining Object-Oriented and Functional Programming

4 hours

Blend object-oriented and functional programming to model your domain and compose behavior cleanly.

Modeling Domain vs. Modeling Process
The Power of Polymoprhism: Inheritance and Composition
Interfaces as Mixins
Generic Types
Domain-Driven Design
The Power of Functions: Modeling Behavior
Functional Interfaces
Composing Functions
Java Streams
Practical Design Patterns

Lesson 3: Leveling Up with Java

4 hours

Level up with modern Java: records, pattern matching, structured concurrency, and AI software engineering.

Package Management Strategies
Avoiding null: The "Billion-Dollar Mistake"
Records and Pattern Matching
Revisiting Conditionals
Structured Concurrency with Virtual Threads
Temporal Types
Experimentation Using the REPL
Automating Quality
Using AI for Java Development

Lesson 4: Professional Java

5 hours

Build production-grade Java with automated quality, persistence, security, observability, and AI.

APIs and JSON
Database Persistence
File Processing
Cloud-Native Java and GraalVM
Securing Java Applications
Testing with JUnit and Testcontainers
Documentation with JavaDoc and Snippets
Logging and Observability
Building AI Applications

Meet Your Guide

Your Instructor

"I am self-taught in Java with many years of experience delivering large-scale solutions ranging from microservices to web and mobile and AI applications for government and commercial clients.I have multiple Java badges on Stack Overflow, and I was even a Sun Certified Java Programmer when that was still a thing and when I thought certifications really meant something."

Neil Chaudhuri

Course Instructor

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