Tutorials
Step-by-step guides you can follow at the keyboard: Java, tooling, and the basics done properly.
Latest in Tutorials
- Java Variables, Data Types, Casting & Operators
Learn Java variables, data types, type casting, and operators with simple examples. Understand primitive types, casting, arithmetic, logical, and relational operators.
- Bytecode Explained : What It Is and How It Works in Java
Bytecode is the intermediate code generated by the Java compiler from your Java source code. It isn't directly executed by your computer's CPU. Instead, the Java Virtual Machine (JVM) reads and executes this bytecode.
- Java Compilation Process Explained: From Source Code to Bytecode (2026 Guide)
Learn the Java compilation process step by step. Understand how Java source code is compiled into bytecode, how the JVM executes it, and why Java is platform independent.
- JDK vs JRE vs JVM Explained: What's the Difference?
Learn the difference between JDK, JRE, and JVM with diagrams, examples, architecture, interview questions, and practical use cases. A beginner-friendly Java guide.
- First Java Program in Java (Hello World) – Beginner's Guide (2026)
Learn how to write, compile, and run your first Java program. A beginner-friendly guide with code examples, explanations, common mistakes, and best practices.
- How to Install IntelliJ IDEA for Java Development (2026 Guide)
Learn how to install IntelliJ IDEA on Windows, configure Java JDK, create your first Java project, and avoid common setup mistakes with this step-by-step beginner guide.
- How to Install Java JDK on Windows
Before you can write your first Java program, you need to install the Java Development Kit (JDK). Think of the JDK as a toolbox for Java developers. It contains everything required to write, compile, and run Java program
- Java Editions Explained: Java SE, EE, and ME
Java is available in different editions designed for different types of applications. The three editions you'll commonly hear about are Java SE, Java EE, and Java ME.
- Features of Java: A Simple Developer Guide
Java is a general-purpose, class-based, object-oriented programming language designed to be portable, secure, strongly typed, and suitable for building production applications.
- History of Java: From Oak to Modern Java
Learn the history of Java in simple words, from the Green Project and Oak to modern Java, OpenJDK, Oracle, and major Java versions.
- What Is Java? A Beginner's Guide to Java Programming
Java is a high-level, object-oriented programming language that lets you build applications that can run on Windows, macOS, and Linux without changing the code.
- What Is a Compiler? A Beginner's Guide to Compiler Design
Learn what a compiler is, why it's essential, how the compilation process works, and how programming languages like Java are transformed into executable programs.