Tutorials

How to Set Up a Java Development Environment

Configure your machine specifically for Java development by installing the JDK, choosing an IDE, and preparing supporting tools.

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How to Use Git in Java Projects

Apply Git version control to Java codebases, using branches and commits to manage changes safely across your Java projects.

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How to Install Java and Configure JAVA_HOME

Install a modern JDK and configure the JAVA_HOME environment variable so tools like Maven and Gradle use the correct Java version.

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How to Compile and Run Java from the Command Line

Learn how to compile Java source files with javac and launch applications with java using packages and the classpath correctly.

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How to Structure a Simple Java Project

Organize your Java code into standard src/main/java and src/test/java folders with clear package naming and build files.

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How to Handle Exceptions in Java

Use try-catch, try-with-resources, and custom exception types to make your Java applications more robust and easier to debug.

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Documentation

Implementing API Authentication in Java Backends

Learn how to secure Java-based APIs using API keys, OAuth, and JWT tokens, and decide which approach fits your Java services.

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Working with JSON in Java Applications

Understand how JSON is used in Java applications and learn practical patterns for sending, receiving, and validating JSON data.

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Understanding the JVM Memory Model

Learn how the Java Virtual Machine organizes heap, stack, and metaspace memory and how garbage collection affects your applications.

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Java Collections Framework Overview

Get a practical overview of Lists, Sets, and Maps in the Java Collections Framework and choose the right collection for each scenario.

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Java Logging Configuration Guide

Configure logging in Java applications using java.util.logging and learn patterns that apply to other logging frameworks as well.

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Java Build Tools: Maven and Gradle Basics

Understand the fundamentals of Maven and Gradle so you can manage dependencies, build artifacts, and set up CI pipelines for Java projects.

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