Introduction to Java

Start writing basic Java programs and master core syntax

Rating (4.9) Price Included with subscription on DataCamp
Created by DataCamp
Platform: DataCamp Topic: Programming Languages Skills: Java

Introduction to Java is a beginner-focused course that teaches Java syntax and fundamental programming concepts such as variables, data types, operators, arrays, and basic program structure. It pairs concise explanations with interactive coding exercises so learners can write code and predict program output while practicing core programming basics.

Designed for newcomers and students preparing for introductory computer science, the course aims to make learners comfortable reading and composing short Java programs, selecting appropriate primitive or reference types, and using arithmetic and comparison operators to control program behavior. Successful completion prepares learners to progress to intermediate Java topics or apply these skills in practical coding tasks.

At a Glance

Introduction to Java is a beginner-focused course that introduces core Java syntax and fundamental programming concepts such as variables, operators, and arrays. It is taught by DataCamp instructors and combines concise explanations with hands-on coding exercises to help learners start writing Java code.

Level Beginner
Rating 4.9 out of 5
Duration 2+ hours
Languages English
Certificate Statement of Accomplishment (digital certificate)
Access Access for as long as your subscription is active
Course includes
  • Video lessons
  • Interactive coding exercises
  • Quizzes and short assessments
Price Subscription-based; included with DataCamp membership

What This Course Teaches

The course frames outcomes as measurable competencies for writing and reasoning about basic Java programs.

Learners will be able to predict program output, select appropriate data types, identify required program components, and apply operators, variables, and arrays in short coding tasks.

Predict Output
Predict the printed output and resulting data types of short Java code segments.

Operators & Expressions
Apply and distinguish arithmetic and comparison operators to evaluate Java expressions.

Variables and Arrays
Declare and manipulate individual variables and arrays, using correct indexing and element mutability.

Program Structure
Identify required components of a basic Java program, including class declarations and the main method signature.

Data Type Selection
Select appropriate primitive or reference data types to store numeric, character, boolean, and textual values.

How the Course Is Structured

The course is organized as a short, linear sequence of modules that take a learner from basic setup to core language mechanics. It contains three concise modules and is designed to be completed in roughly 2+ hours of focused study.

Curriculum overview

01 Java and Programming Basics

Introduces how to run a simple Java program, how Java organizes code, and the fundamentals of writing and executing Java code.

02 Working with variables

Covers declaring variables and using primitive and reference types to store numbers, text, and boolean values in Java.

03 Operators

Explains arithmetic and comparison operators and how to use them to evaluate expressions and control program behavior.

Audience & Requirements

This beginner-friendly Introduction to Java is aimed at learners who need a practical grounding in Java syntax and basic program structure. It is suitable for complete beginners, students preparing for introductory CS material, career changers starting to learn programming, and hobbyists who want to build simple Java programs.

Who It’s For
  • Complete beginners seeking a first programming language.
  • Students preparing for introductory computer science coursework.
  • Career changers acquiring foundational coding skills.
  • Hobbyists wanting to write and run simple Java programs.
What You’ll Need
  • No prior programming experience or prerequisites.
  • Active DataCamp membership to access the course and earn the certificate.
  • Willingness to complete short interactive coding exercises on the platform.

Final Verdict

Introduction to Java is a worthwhile, low-friction introduction to core Java concepts, especially given its strong platform rating and broad learner uptake.

The course’s digital certificate and inclusion with the platform subscription add practical value for learners who already use the service, and the short, focused format makes it a convenient first step for newcomers. Recommended for absolute beginners, students preparing for introductory CS classes, career changers seeking foundational skills, and hobbyists wanting a hands-on primer; treat it as a foundation to build on with more advanced Java coursework.