Learn Java

Running Your First Java Application

• Getting Started with Java
  

  Downloading and setting up the JDK, writing your first Java class, and creating your first Java application.

• Building a Java application in IntelliJ IDEA
  

  Learn how to code, run, test, debug and document a Java application in IntelliJ IDEA.

• Building a Java Application in the Eclipse IDE
  

  Installing and getting started with the Eclipse IDE for developing Java applications

Staying Aware of New Features

• Virtual Threads
  

  Virtual Threads: What, Why, and How?

Getting to Know the Language

• Java Language Basics
  

  Getting to know the basics of the Java language.

• Refactoring from the Imperative to the Functional Style
  

  Learning to change code from the Imperative to the Functional Style.

• Classes and Objects
  

  Defining your own classes, declaring member variables, methods, and constructors.

Mastering the API

• Introduction to Method Handles
  

  Method handles, how they are different from the Reflection API, and the tooling they provide.

• Introduction to java.lang.reflect.*
  

  TODO

• Common I/O Tasks in Modern Java
  

  This article focuses on tasks that application programmers are likely to encounter, particularly in web applications, such as reading and writing text files, reading text, images, JSON from the web, and more.

Organizing your Application

Getting to know the JVM

Rich Client Applications

• JavaFX Fundamentals
  

  Learn to create simple JavaFX applications.

• Introduction to JavaFX animations
  

  Learn to create advanced JavaFX animations

More Resources

• Getting Started with Java Certification
  

  Overview of the Java Certification and how to study

• Debugging in Java
  

  Learning how to use a debugger

References for the latest release

• Java Documentation
• Java API Docs
• Java Release Notes
• Java Language and Virtual Machine Specifications
• Secure Coding Guidelines