Java Tutorial
A popular language that can be used for software development, mobile apps, and more.
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7 Lessons
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0 Articles
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Estimated 18 hours
List of Lessons to Learn Java
This is a list of Java lessons where you can start learning immediately without environment setup.
Java I Plus
Welcome to Java, one of the most popular programming languages. We'll learn the very basics of Java in this lesson.
Estimated 1h45m
What You Can Learn in This Lesson
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1. Getting started with Java
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Getting Started
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Strings
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Integers
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Calculations
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String Concatenation
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2. Variables
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Variables
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Using Variables
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Updating Variables
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Updating Variables (2)
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Updating Variables (3)
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Roles of Variables
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Doubles
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3. Type Conversion
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Implicit Type Conversion
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Explicit Type Conversion
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4. The Final Project
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The Final Project
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Java II Plus
In this lesson, you'll learn how to build logics using control flow and iterations. Let's master the basics of Java!
Estimated 2h30m
What You Can Learn in This Lesson
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1. Booleans and Conditions
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Booleans and Comparison Operators
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Comparison Operators (2)
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Logical Operators
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2. Control Flow
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if Statements
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else, else if
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switch Statements
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switch Statements (2)
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3. Loops
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while Loops
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for Loops
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break & continue
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4. Arrays
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Using Arrays
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Updating the Elements of Arrays
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Arrays and Loops
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Enhanced for Loops
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5. The Final Project
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The Final Project
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Java III Plus
The main topics for this lesson are methods and classes. You'll learn how to divide a program into smaller parts, which is an essential concept of programming.
Estimated 2h40m
What You Can Learn in This Lesson
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1. Method
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Using Methods
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Method Definitions
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Using Arguments
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Multiple Arguments
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2. Method (2)
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Method Return Values
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Method Overloading
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Combining Methods
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Boolean Return Values
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3. The Basics of Classes
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Using Classes
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Class Definitions
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Using Libraries
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Receiving Input
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Receiving Input (2)
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Java I Dojo Plus
This lesson gives you a chance to combine and apply the fundamental concepts covered in the first three Java study lessons to create an improve...
Estimated 2h15m
What You Can Learn in This Lesson
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1. Mastering Java Basics
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Overview
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String Output
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Handling Input
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String Concatenation
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Conditional Statements
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Organizing in Methods
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Calculating BMI
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Logic Operators
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Loops
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Finding Max Age
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Finding Average Age
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Java IV Plus
In this lesson, you will learn Object-Oriented Programming (OOP). This is one the most important concepts in programming! By learning the basics of OOP, you will take a big step ...
Estimated 3h30m
What You Can Learn in This Lesson
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1. What is Object-Oriented Programming?
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Object-Oriented Programming
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Classes and Instances
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2. Fundamentals of OOP
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Class Definition and Instantiation
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Instance Methods
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Instance Fields
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this
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Constructors
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Constructors (2)
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3. Introduce Yourself with Java
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Overview
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Fields and Constructors
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Instance Methods
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Instance Methods (2)
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Class Fields
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Class Methods
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Constructor Overloading
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Calling Constructors
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Rewriting the fullName Method
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4. Encapsulation
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Information Hiding
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Getter
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Setter
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5. Final Project
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Adding a Job
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Java II Dojo Plus
This is a Dojo lesson to strengthen your understanding of the Object-Oriented Programming fundamentals covered in Java study IV. With only a few hints, this is your chance to try to...
Estimated 2h30m
What You Can Learn in This Lesson
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1. Overview
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Getting Started
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2. Making a Bicycle
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Bicycle Class
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Adding Color
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Measuring Distance
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Making a Bicycle Move
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Taking Distance Input
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3. Making a Car
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Car Class
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Fuel Gauge
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Making a Car Move
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Refueling
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Java V Plus
Finally, you've reached the last Java study course! Here you'll learn about Inheritance, an important concept in Object-Oriented Programming. Inheritance is required knowledge for g...
Estimated 2h25m
What You Can Learn in This Lesson
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1. Overview
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Getting Started
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2. Class Inheritance
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Class Inheritance
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Superclass Methods
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Customizing Subclasses
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Method Overriding
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super
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3. More About Class Inheritance
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Constructor and super()
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protected
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Abstract Methods and Classes
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4. Associating Vehicle and Person
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Class Type Fields
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The buy Method
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Polymorphism
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