What is an array? Java examples - simple and multidimensional arrays Tutor: Andrii Piatakha / Andrey Pyatakha | Learn IT Online University In this lesson, we will explain arrays in Java and how they help store multiple values of the same type. You will learn how to create and initialize arrays, access elements by index, work with default values, understand common errors like IndexOutOfBoundsException, and use multidimensional arrays and the Arrays utility class. In this lesson we will learn: - What are arrays? - Arrays initialization - No dynamic memory allocation - Accessing to arrays elements by index - Default values in arrays (only primitives) - Index out of Bound Exception - Array Literal - Multidimensional arrays - null value - Arrays class - Import statement - java.lang as default import - How to attach sources and investigate source code of JDK Attachments: - Homework - https://docs.google.com/document/d/1NeP44yrRnKQQBHeYbpj_OcdGyZjmXx3dBRSTUm1BzOE/edit?usp=sharing - Source code of the example used in the lesson - https://github.com/AndriiPiatakha/learnit_java_core/blob/master/src/com/itbulls/learnit/javacore/arrays/ArraysDemo.java 🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻 FREE Java Basics Course is here - https://www.udemy.com/course/java-programming-master-java-basics-learnit/?referralCode=2A83052683DC9104B478 FULL and THE MOST COMPLETE Java course is here (30 days refund) - https://www.udemy.com/course/java-development-for-beginners-learnit/?referralCode=F98EB7665596A6BACEF0 🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻 Sign up on my blog and GET EXCLUSIVE AI CONTENT + BUSINESS IDEAS & FOLLOW NEW POSTS! Subscribe to get our latest articles & get two free bonuses: 📄 PDF guide: 10 AI Bot Money-Making Ideas Without Spending a Cent 🎥 2-hour video course: Practical AI Skills At the bottom of the page here - https://learn-it-university.com/udemy-free-coupons/ 🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻🔻 Other links: • 🧠 Read more insights on my blog: https://learn-it-university.com/blog | Real talk, no fluff • 🎓 Explore all my courses here: https://www.udemy.com/user/andrii-piatakha/ | 1.2M+ students and counting • 💬 Join my Telegram channel: https://t.me/learnit_itbulls | Behind-the-scenes content, tech tips, and community Q&A • 📺 Subscribe on YouTube: https://www.youtube.com/c/ITBulls | Practical content, not motivational noise • 🤝 Connect with me on LinkedIn: https://www.linkedin.com/in/andrii-piatakha/ | Let's talk ideas, not just resumes • 📸 Follow on Instagram: https://www.instagram.com/andrey_pyatakha/ | Off-topic and real-life moments • 📚 Check out my Amazon Author Page: https://www.amazon.com/stores/Andrii-Piatakha/author/B0DWKLZ9P4 | Books, insights, deeper dives • 💡 Support via Patreon: https://www.patreon.com/Andrii_Piatakha | Exclusive behind-the-scenes content • 🛠️ Learn more about my company IT-Bulls: https://it-bulls.com/ | Services, consulting, mentorship, product development, and much more • 🎁 Get FREE Udemy coupons: https://learn-it-university.com/udemy-free-coupons/ | Free course coupons, AI bonuses, and practical IT content • 🌐 Visit Learn IT official website: https://learn-it-university.com/ | Courses, blog, bonuses, and practical IT learning resources • 👥 Follow Learn IT University on Facebook: https://www.facebook.com/learnituniversity | Updates, community news, and educational content • 🆓 Enroll in my FREE courses: https://learn-it-university.com/category/free-courses/ | Start learning IT for free with practical beginner-friendly courses #Java #JavaArrays #Arrays #JavaProgramming #ProgrammingBasics