Which of the following blocks of code will successfully ask a user for a number, multiply that number by 2, and print the result

Question 3 options:

	Java and C# Code
Java	C#
import java.util.Scanner; System.out.println("Enter a number to be doubled:"); Scanner myscanner = new Scanner(System.in); String num=myscanner.NextLine(); num*=2; System.out.println("Your number doubled is "+num);	Console.WriteLine("Enter a number to be doubled:"); string num=Console.ReadLine(); num*=2; Console.WriteLine("Your number doubled is "+num)

Java and C# Code Java C# import java.util.Scanner; System.out.println("Enter a number to be doubled:"); Scanner myscanner = new Scanner(System.in); int num=myscanner.nextInt(); num*=2; System.out.println("Your number doubled is "+num); Console.WriteLine("Enter a number to be doubled:"); string answer=Console.ReadLine(); int num=Int32.Parse(answer); num*=2; Console.WriteLine("Your number doubled is "+num); Java and C# Code Java C# import java.util.Scanner; int num; System.out.println("Enter a number to be doubled:"); Scanner myscanner = new Scanner(System.in); myscanner.nextInt(num); num*=2; System.out.println("Your number doubled is "+num); string answer Console.WriteLine("Enter a number to be doubled:"); Console.ReadLine(answer); int num=Int32.Parse(answer); num*=2; Console.WriteLine("Your number doubled is "+num)