CodePedia

# Simple function example
def fibonacci(n):
    if n <= 1:
        return n
    else:
        return fibonacci(n-1) + fibonacci(n-2)

# List comprehension example
squares = [x**2 for x in range(10)]

# Class example
class Dog:
    def __init__(self, name):
        self.name = name
    
    def bark(self):
        print(f"{self.name} says woof!")

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

// Interface and implementation
interface Animal {
    void makeSound();
}

class Dog implements Animal {
    public void makeSound() {
        System.out.println("Woof!");
    }
}

// Arrow function and array methods
const numbers = [1, 2, 3, 4, 5];
const squares = numbers.map(x => x * x);
console.log(squares); // [1, 4, 9, 16, 25]

// Promises and async/await
async function fetchData() {
    try {
        const response = await fetch('https://api.example.com/data');
        const data = await response.json();
        return data;
    } catch (error) {
        console.error('Error fetching data:', error);
    }
}

// Class example (ES6)
class Rectangle {
    constructor(height, width) {
        this.height = height;
        this.width = width;
    }
    
    get area() {
        return this.height * this.width;
    }
}