CodeGym
AI Academy
Promotion
CodeGym University
Learning
Courses
Tasks
Surveys & Quizzes
Games
Help
Schedule
Community
Users
Forum
Chat
Articles
Success stories
Activity
Reviews
Subscriptions
Light theme

Lessons

  • Reviews
  • About us
Start
Start learning
Start learning now
  • My Progress
  • Courses
  • University
  • Quest Map
  • Lessons
  • Useful links from the Professor — 35

    Java Collections
    Level 5, Lesson 12
    "Hi, Amigo! Congratulations on finishing another level. I have some useful articles for you..."
    Available
  • The Problem with Time & Timezones

    Java Collections
    Level 5, Lesson 13
    "Hi, Amigo!" "Hi, Julio." "What's new?" "Well, I'm thinking about how to do the next task." "Do you have to do that? Personally, I think that it is better to not work and be poor than to work and be poor. Let's watch something interesting instead." "There's a time for learning, and there's a time for resting. Roll it ..."
    Available
  • Interview questions | Level 5

    Java Collections
    Level 5, Lesson 14
    "Hi, Amigo!"
    Available
  • Big task: Creational design pattern

    Java Collections
    Level 5, Lesson 15
    "Hello, soldier!" "Congratulations on upgrading your skills. We need guys who are prepared to do anything." "I'm sure you still have many unfinished tasks. It's time to finish some of them! ..."
    Available
  • 1
  • 2
Learn
  • Registration
  • Java Course
  • Help with Tasks
  • Pricing
  • Java Syntax
Community
  • Users
  • Articles
  • Forum
  • Chat
  • Success Stories
  • Activity
  • Affiliate Program
Company
  • About us
  • Contacts
  • Reviews
  • Press Room
  • CodeGym for EDU
  • FAQ
  • Support
CodeGym CodeGym is an online course for learning Java programming from scratch. This course is a perfect way to master Java for beginners. It contains 1200+ tasks with instant verification and an essential scope of Java fundamentals theory. To help you succeed in education, we’ve implemented a set of motivational features: quizzes, coding projects, content about efficient learning, and a Java developer’s career.
Follow us
Interface language
English
Deutsch Español हिन्दी Français Português Polski বাংলা 简体中文 मराठी தமிழ் Italiano Bahasa Indonesia 繁體中文 Nederlands 日本語 한국어 Bulgarian Danish Hungarian Basa Jawa Malay Norwegian Romanian Swedish Telugu Thai Українська Filipino Turkish Azərbaycan Русский Vietnamese
Programmers Are Made, Not Born © 2026 CodeGym
MastercardVisa
Programmers Are Made, Not Born © 2026 CodeGym