a = 'Hello, '

b = 'World!'

message = a + b

print(message)

​

#Python

const a = 'Hello, ';

const b = 'World!';

const message = a + b;

console.log(message);

​

//JavaScript

public class Main {

  public static void main(String[] args) {

    String a = "Hello, ";

    String b = "World!";

    String message = a + b;

    System.out.println(message);

  }

}

​

//Java

#include <iostream>

#include <string>

using namespace std;

​

int main() {

  string a = "Hello, ";

  string b = "World!";

  string message = a + b;

  cout << message;

  return 0;

}

​

//C++