i = 4 d = 4.0 s = 'HackerRank ' a=int(input()) b=float(input()) c=str(input()) print(f"{i+a}\n{b+d}\n{s+c}")

C# code: using System; using System.Collections.Generic; using System.IO;

class Solution { static void Main(String[] args) { int i = 4; double d = 4.0; string s = "HackerRank ";

    // Declare second integer, double, and String variables.
    int userInt;
    double userDouble;
    string userString;

    // Read input for the declared variables.
    userInt = Convert.ToInt32(Console.ReadLine());       // Read an integer
    userDouble = Convert.ToDouble(Console.ReadLine());   // Read a double
    userString = Console.ReadLine();                     // Read a string

    // Perform the operations and print the results
    // Print the sum of integer variables
    Console.WriteLine(i + userInt);

    // Print the sum of double variables to one decimal place
    Console.WriteLine($"{d + userDouble:F1}");

    // Concatenate and print the strings
    Console.WriteLine(s + userString);

i = 4 d = 4.0 s = 'HackerRank ' a=int(input()) b=float(input()) c=str(input()) sum1=i+a double1=d+b print(sum1) print(double1) print(s+c)

Are you able to access the tutorials provided

For some reason in Java 15 the variables i, d, and s are not provided like they said. You have to include it on your own.

Scanner user = new Scanner(System.in);
    int i = 4;
    double d = 4.0;
    String s = "HackerRank ";

    int z;
    double dec;
    String str;

    z = user.nextInt();
    dec = user.nextDouble();
    user.nextLine();
    str = user.nextLine();

    System.out.println(i + z);
    System.out.println(d + dec);
    System.out.println(s + str);