Using Tabs

<html>
 <head>
 </head>
 <body>
   <h1>Hello World</h1>
 </body>
</html>

// Your First C++ Program
#include <iostream>
int main() {
    std::cout << "Hello World!";
    return 0;
}

// Your First Program
class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!"); 
    }
}

// the hello world program
console.log('Hello World');

<html>
 <head>
 </head>
 <body>
   <h1>Hello World</h1>
 </body>
</html>

// Your First C++ Program
#include <iostream>
int main() {
    std::cout << "Hello World!";
    return 0;
}

// Your First Program
class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!"); 
    }
}

// the hello world program
console.log('Hello World');