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🚀 Getting Started with Java Programming

Welcome to your first step into the world of Java, one of the most in-demand and widely used programming languages on the planet. At GoNimbus, we make your Java learning journey simple, practical, and effective — no complicated setups, just hands-on coding from the start!

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✨ Try Java Instantly in Your Browser

With GoNimbus’s built-in Java playground, you don’t need to install anything. Start coding right inside your browser and see instant results. It’s perfect for beginners, students, and anyone eager to practice Java without the hassle of setup.

Here’s your first program:

public class Main {
  public static void main(String[] args) {
    System.out.println("Hello, Java World!");
  }
}

💻 Installing Java on Your Computer (Optional but Recommended)

To unlock the full power of Java — including building large applications or integrating external libraries — we recommend installing Java on your system.

🔍 Check if Java is Already Installed

Windows Users:

Open your Command Prompt and type:

java -version

If Java is installed, you’ll see the current version details like:

java version "22.0.0" 2024-08-21 LTS
Java(TM) SE Runtime Environment 22.9
Java HotSpot(TM) 64-Bit Server VM

If not, download and install the latest Java Development Kit (JDK) from the official site:
🔗 https://www.oracle.com/java/technologies/javase-downloads.html

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🧰 Setting Up Your Java Environment

There are two popular ways to write and run Java code:

1. Simple Text Editors – Notepad, VS Code, Sublime Text
2. Integrated Development Environments (IDEs) – IntelliJ IDEA, Eclipse, NetBeans

At GoNimbus, we recommend using IntelliJ IDEA Community Edition for its beginner-friendly interface and smart code suggestions.

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⚡ Your First Java Program – The “Hello World” App

Let’s walk through creating your first Java file manually on your computer.

Step 1: Open any text editor and paste the code below:

public class Main {
  public static void main(String[] args) {
    System.out.println("Hello, Java World!");
  }
}

Step 2: Save the file as Main.java

Important: The filename must match the class name.

Step 3: Compile and Run

Open your terminal/command prompt, navigate to the folder where Main.java is saved, and type:

javac Main.java

If successful, now type:

java Main

🎉 You should see:

Hello, Java World!

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🛠 Java Quickstart Recap

Step	Command/Action	Purpose
1	javac Main.java	Compiles the Java file
2	java Main	Executes the compiled Java program

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🔄 What’s Next?

Now that you’ve successfully written and run your first Java program, you’re ready to explore:

• 🔹 Java syntax and structure
• 🔹 Variables and data types
• 🔹 Loops, conditions, and arrays
• 🔹 Object-Oriented Programming concepts
• 🔹 Java libraries and APIs
• 🔹 Real-world projects like calculators, contact apps, and more!

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🚀 Learn Java with Confidence at GoNimbus

At GoNimbus, we make sure your learning path is:

• 🧠 Beginner-friendly – Even if you’ve never written a line of code before
• 📚 Practical – Learn by doing, not just watching
• 🧩 Modular – Short lessons, hands-on examples
• 💡 Career-ready – Build projects that impress recruiters

So, are you ready to unlock the power of Java and become a developer?

👉 Let’s get coding!

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