Codecademy
Free Trial Available
English
Certificate Available
25 hours worth of material
selfpaced
Overview
Learn the basics of the popular Java language in this introductory course. ☕️
### Why Learn Java?
Java is among the most popular programming languages out there, mainly because of how versatile and compatible it is. Java can be used for a large number of things, including software development, mobile applications, and large systems development. As of 2019, 88% market share of all smartphones run on Android, the mobile operating system written in Java. Knowing Java opens a great deal of doors for you as a developer.
### Take-Away Skills
In this course you'll be exposed to fundamental programming concepts, including object-oriented programming (OOP) using Java. You'll build 7 Java projects—like a basic calculator—to help you practice along the way.
### Recently Updated
We've recently updated this course! For more information on why we did this update and how it might affect you, check out this blog post: [Learn Java Updates](https://news.codecademy.com/learn-java-updates/).
### Why Learn Java?
Java is among the most popular programming languages out there, mainly because of how versatile and compatible it is. Java can be used for a large number of things, including software development, mobile applications, and large systems development. As of 2019, 88% market share of all smartphones run on Android, the mobile operating system written in Java. Knowing Java opens a great deal of doors for you as a developer.
### Take-Away Skills
In this course you'll be exposed to fundamental programming concepts, including object-oriented programming (OOP) using Java. You'll build 7 Java projects—like a basic calculator—to help you practice along the way.
### Recently Updated
We've recently updated this course! For more information on why we did this update and how it might affect you, check out this blog post: [Learn Java Updates](https://news.codecademy.com/learn-java-updates/).
Syllabus
- Hello World: Welcome to the world of Java programming! Java is a popular object-oriented programming language that is used in many different industries.
- Hello World
- Java Program Structure
- Hello World
- Planting a Tree
- What Is an IDE?
- Variables: Learn about datatypes in Java and how we use them. Then, practice your skills with two projects where you create and manipulate variables.
- Learn Java: Variables
- Java Variables Quiz
- Java Variables: Mad Libs
- Learn Java: Manipulating Variables
- Java Variable Manipulation Quiz
- Math Magic
- Object-Oriented Java: Learn about object-oriented programming in Java. Explore syntax for defining classes and creating instances.
- Classes and Objects
- Java: Introduction to Classes
- Intro to Java Classes
- Learn Java: Methods
- Java Methods Quiz
- A Basic Calculator
- Build A Droid
- Conditionals and Control Flow: Conditionals and control flow in Java programs.
- Conditionals and Control Flow
- Conditional Operators
- Conditionals and Control Flow
- A Simple Car Loan Payment Calculator
- Continents and Cities
- Arrays and ArrayLists: Build lists of data with Java arrays and ArrayLists.
- Learn Java: Arrays
- Java Arrays Quiz
- Learn Java: ArrayLists
- Java ArrayList Quiz
- Desert Island Playlist
- Loops: Use loops to iterate through lists and repeat code.
- Learn Java: Loops
- Learn Java: Loops Quiz
- Fizz Buzz
- The Prime Directive
- String Methods: The Java `String` class provides a lot of useful methods for performing operations on strings and data manipulation.
- String Methods
- String Methods
- DNA Sequencing
- Access, Encapsulation, and Static Methods: Let's dive deeper into classes and learn about some of their more advanced features.
- Access, Encapsulation, and Scope
- Access, Encapsulation, and Scope
- Static Methods of the Math Class
- Static Variables and Methods
- Static Variables and Methods
- Inheritance and Polymorphism: Dive deeper into object-oriented Java with inheritance and polymorphism.
- Inheritance and Polymorphism
- Inheritance and Polymorphism Quiz
- Language Families
- Debugging: Learn about different types of errors in Java and practice finding them.
- Debugging
- Debugging
- Bug Detective
- Two-Dimensional Arrays: Take your understanding of arrays and loops to the next dimension! Learn how to create and use two-dimensional arrays.
- 2D Arrays: Java
- Quiz: 2D Arrays in Java
- 2D Arrays: Image Manipulation Project
