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RSK World
hello-world-variations
RSK World
hello-world-variations
Hello World Variations - Multi-Language Programming + Java, Python, C++ Examples + Executable Programs + Code Comparisons + Educational Design
hello-world-variations
  • FileHelloWorld.class1.5 KB
  • FileHelloWorld.java930 B
  • FunctionalHelloWorld.class1.7 KB
  • FunctionalHelloWorld.java693 B
  • GraphicalHelloWorld.class466 B
  • GraphicalHelloWorld.java581 B
  • LICENSE1.2 KB
  • MethodHelloWorld.class511 B
  • MethodHelloWorld.java637 B
  • MultithreadedHelloWorld.class1.3 KB
  • MultithreadedHelloWorld.java764 B
  • README.md1.5 KB
  • ReflectionHelloWorld.class961 B
  • ReflectionHelloWorld.java911 B
  • ScannerHelloWorld.class1.1 KB
  • ScannerHelloWorld.java758 B
  • StandardHelloWorld.class442 B
  • StandardHelloWorld.java562 B
  • hello-world-variations.png476.3 KB
  • hello-world-variations.zip478.9 KB
  • index.html6.8 KB
  • style.css3 KB
index.html
index.html
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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Hello World Variations - RSK World</title>
    <meta name="description"
        content="Explore different ways to print Hello World in Java with detailed explanations. Created by Molla Samser at RSK World.">
    <link rel="stylesheet" href="style.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Fira+Code&display=swap"
        rel="stylesheet">
</head>
<!--
    Project: Hello World Variations
    Founder: Molla Samser
    Company: RSK World
    Website: https://rskworld.in
    Contact: +91 93305 39277
    Year: 2026
-->

<body>
    <div class="container">
        <header>
            <div class="logo">
                <i class="fas fa-code fa-3x text-danger" style="color: #dc3545; margin-bottom: 1rem;"></i>
            </div>
            <h1>Hello World Variations</h1>
            <p>Different ways to print Hello World in Java while learning basic concepts. Perfect for absolute beginners
                learning Java syntax and basic output.</p>
            <div class="banner">
                <img src="hello-world-variations.png" alt="Hello World Variations Banner"
                    style="width: 100%; max-width: 800px; border-radius: 24px; margin-top: 2rem; border: 1px solid rgba(255,255,255,0.1); box-shadow: 0 20px 40px rgba(0,0,0,0.5);">
            </div>
        </header>

        <div class="grid">
            <!-- Variation 1 -->
            <div class="card" style="animation-delay: 0.1s;">
                <i class="fas fa-terminal"></i>
                <h3>Standard Method</h3>
                <p>The classic entry point using the <code>main</code> method and <code>System.out.println</code>.</p>
                <div class="code-snippet">
                    <pre>public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello World!");
    }
}</pre>
                </div>
            </div>

            <!-- Variation 2 -->
            <div class="card" style="animation-delay: 0.2s;">
                <i class="fas fa-cube"></i>
                <h3>Functional Method</h3>
                <p>Using a custom method to separate the output logic from the main entry point.</p>
                <div class="code-snippet">
                    <pre>public static void print(String msg) {
    System.out.println(msg);
}</pre>
                </div>
            </div>

            <!-- Variation 3 -->
            <div class="card" style="animation-delay: 0.3s;">
                <i class="fas fa-keyboard"></i>
                <h3>Interactive Input</h3>
                <p>Using the <code>Scanner</code> class to accept user input and print a customized message.</p>
                <div class="code-snippet">
                    <pre>Scanner sc = new Scanner(System.in);
String name = sc.nextLine();
System.out.println("Hello, " + name);</pre>
                </div>
            </div>

            <!-- Variation 4 -->
            <div class="card" style="animation-delay: 0.4s;">
                <i class="fas fa-window-maximize"></i>
                <h3>Graphical Popup</h3>
                <p>Using <code>JOptionPane</code> to show the greeting in a graphical dialog box window.</p>
                <div class="code-snippet">
                    <pre>import javax.swing.JOptionPane;
// ...
JOptionPane.showMessageDialog(null, 
    "Hello World!");</pre>
                </div>
            </div>

            <!-- Variation 5 -->
            <div class="card" style="animation-delay: 0.5s;">
                <i class="fas fa-stream"></i>
                <h3>Stream API</h3>
                <p>A more advanced functional approach using Java Streams and Lambda expressions.</p>
                <div class="code-snippet">
                    <pre>List.of("Hello", "World")
    .stream()
    .forEach(System.out::print);</pre>
                </div>
            </div>

            <!-- Variation 6: Multithreading -->
            <div class="card" style="animation-delay: 0.6s;">
                <i class="fas fa-users-cog"></i>
                <h3>Multithreading</h3>
                <p>Printing greetings from multiple threads simultaneously using Lambda expressions.</p>
                <div class="code-snippet">
                    <pre>new Thread(() -> 
    System.out.println("Hello!")).start();</pre>
                </div>
            </div>

            <!-- Variation 7: Reflection -->
            <div class="card" style="animation-delay: 0.7s;">
                <i class="fas fa-search"></i>
                <h3>Java Reflection</h3>
                <p>Invoking methods dynamically at runtime using the powerful Java Reflection API.</p>
                <div class="code-snippet">
                    <pre>Method m = obj.getClass()
    .getMethod("sayHello");
m.invoke(obj);</pre>
                </div>
            </div>

            <!-- Variation 8: File I/O -->
            <div class="card" style="animation-delay: 0.8s;">
                <i class="fas fa-file-export"></i>
                <h3>File Output</h3>
                <p>Writing "Hello World" to an external text file using the <code>FileWriter</code> class.</p>
                <div class="code-snippet">
                    <pre>try (FileWriter w = new FileWriter("h.txt")) {
    w.write("Hello World!");
}</pre>
                </div>
            </div>

            <!-- Variation 9 -->
            <div class="card" style="animation-delay: 0.9s;">
                <i class="fas fa-download"></i>
                <h3>Download Project</h3>
                <p>Get the full source code including advanced features in a single package.</p>
                <a href="./hello-world-variations.zip" class="btn-source">Download .zip</a>
            </div>
        </div>

        <div style="text-align: center; margin-top: 4rem; opacity: 0.6; font-size: 0.9rem;">
            <p><i class="fas fa-balance-scale"></i> Licensed under the MIT License.</p>
            <a href="LICENSE" style="color: var(--primary); text-decoration: none;">View License</a>
        </div>

        <footer class="footer">
            <p>Founded by <strong>Molla Samser</strong></p>
            <p>Designed & Tested by <strong>Rima Khatun</strong></p>
            <p>&copy; 2026 <a href="https://rskworld.in" target="_blank">RSK World</a>. All rights reserved.</p>
            <p style="font-size: 0.8rem; margin-top: 1rem; opacity: 0.6;">Nutanhat, Mongolkote, Purba Burdwan, West
                Bengal, India - 713147</p>
        </footer>
    </div>
</body>

</html>
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About RSK World

Founded by Molla Samser, with Designer & Tester Rima Khatun, RSK World is your one-stop destination for free programming resources, source code, and development tools.

Founder: Molla Samser
Designer & Tester: Rima Khatun

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