surya_code

// Prompt the user to enter their name
var name = prompt("What is your name?");

// Create a greeting message
var greeting = "Hello, " + name + "!";

// Display the greeting message
alert(greeting);

# Prompt the user to enter their name
name = input("What is your name? ")

# Create a greeting message
greeting = "Hello, " + name + "!"

# Display the greeting message
print(greeting)

#include <iostream>
#include <string>

int main() {
    // Declare a variable to store the user's name
    std::string name;

    // Prompt the user to enter their name
    std::cout << "What is your name? ";
    std::getline(std::cin, name);

    // Create a greeting message
    std::string greeting = "Hello, " + name + "!";

    // Display the greeting message
    std::cout << greeting << std::endl;

    return 0;
}

using System;

class Program
{
    static void Main(string[] args)
    {
        // Prompt the user to enter their name
        Console.Write("What is your name? ");
        string name = Console.ReadLine();

        // Create a greeting message
        string greeting = "Hello, " + name + "!";

        // Display the greeting message
        Console.WriteLine(greeting);
    }
}

next java:

import java.util.Scanner;

public class Greeting {
    public static void main(String[] args) {
        // Create a Scanner object to read input from the console
        Scanner scanner = new Scanner(System.in);

        // Prompt the user to enter their name
        System.out.print("What is your name? ");
        String name = scanner.nextLine();

        // Create a greeting message
        String greeting = "Hello, " + name + "!";

        // Display the greeting message
        System.out.println(greeting);

        // Close the scanner
        scanner.close();
    }
}

actor Main
  new create(env: Env) =>
    let name = try readLine()
    let greeting = "Hello, " + name + "!"
    env.out.print(greeting)