HomeCoursesThe Complete Java Crash Course

4.3

Intermediate

The Complete Java Crash Course

Gain insights into Java, a versatile and portable programming language. Delve into similarities with C++ and Python and learn essential Java-specific features with practical coding examples.

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Overview

Content

Reviews

Looking to jump into a new programming language? Java is an easy-to-use, highly portable and ubiquitous language that is used for a variety of development purposes such as Android applications, desktop applications, and website backend systems. Designed for programmers who are already familiar with coding in languages such as C++, Python, or other similar languages, this course articulates any Java-specific details that programmers need to know to get acquainted with the language and also highlights similarities and differences between Java and other languages through multiple coding examples.

Looking to jump into a new programming language? Java is an easy-to-use, highly portable and ubiquitous language that is used fo...Show More

Content

24 Lessons

Hello, Java!

3 Lessons

Step through creating a basic Java program, static methods, and screen printing.

Smile: a first Java program

Writing your own Static Methods

Printing to the screen

Variables and expressions

6 Lessons

Look at Java variables, data types, arithmetic operations, method parameters, strings, and arrays.

Variables; integer values with `int`

Fractional values of numbers with `double`

Arithmetic expressions and operators

Method parameters and return values

Text values with String and char

Arrays

Flow of control: loops and conditionals

5 Lessons

Work your way through loops, conditionals, and operators to control Java program flow.

Classes, objects, and methods

3 Lessons

Enhance your skills in creating Java classes, methods, and managing access specifiers.

Challenge project: tetrominos

7 Lessons

Solve problems in developing a Tetrominos game, integrating Java graphics and user inputs.

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Devin Balkcom

Developed by MAANG Engineers

Every Educative lesson is designed by a team of ex-MAANG software engineers and PhD computer science educators, and developed in consultation with developers and data scientists working at Meta, Google, and more. Our mission is to get you hands-on with the necessary skills to stay ahead in a constantly changing industry. No video, no fluff. Just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

Trusted by 2.8 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Software Developer

Carlos Matias La Borde

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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