This is an in-depth java tutorial for beginners. Learn what Java is, how to get started, and how to build basic apps using key concepts!

Technologies related to Java APIs (application programming interfaces) and JDK (Java Development Kit) form the cornerstone of modern, enterprise-grade software development. Here we explore all the ...

Java records are a new language feature that reduces verbosity and enables optimized runtime performance. This Java records tutorial shows how they work.

Learn how to build the ultimate diamond farm in Minecraft 1.21+ (Java Edition). This survival-friendly setup uses villager trading mechanics and efficient design to create a renewable source of ...

This design is compact, survival-friendly, and produces a constant flow of iron using the latest villager & golem mechanics.

Use Java assertions to test your assumptions about program correctness and check them in your code.

Professor Adam Cannon’s famed Introduction to Computer Science and Programming in Java (COMS W1004) is one of Columbia’s most well-known CS courses, but we all want to know what a course is really ...

Overview Java powers apps, enterprise systems, and cloud solutions efficiently.Developers skilled in Java have high demand and job security.Java works on multip ...