import java.util.*;

public class ScopeError
{
	
	public static void main( String args[])
	{
		double usersDouble = 0.0;  //When I declare variables at the top of the method, I do not get scope errors
		int usersInteger = 0;
		Scanner console = new Scanner (System.in);
		
		System.out.print("Input an integer or a double: ");
		
		if ( console.hasNextInt() )
		{
			//int usersInteger = console.nextInt(); //if I declared the variable inside this code block, I will get a scope error
			usersInteger = console.nextInt();
		}
		else if ( console.hasNextDouble() )
		{
			//double usertsDouble = console.nextDouble(); // if I declared the variable inside this code block I will get a scope error
		   usersDouble = console.nextDouble();
		}
		else
		{
			System.out.print("\nThat was not either an integer nor a double");
			System.exit(1);
		}
		
		System.out.println("your double: " + usersDouble);
	}
}