Assignemnt #74 and sqr.java

Code

    /// Name: Boris Kazantsev
    /// Period: 6
    /// Program Name: sqr
    /// File Name: sqr.java
    /// Date Finished: 2/22/2016
    
    
    import java.util.Scanner;
    import java.util.InputMismatchException;
    
    
    public class sqr{
        public static void main(String[] args){
            
            Scanner keyboard = new Scanner(System.in);
            
            int n;
            
            System.out.println("YO");
            
            System.out.print("#: ");
            
            n = keyboard.nextInt();
            
            
            while (n < 0){
                System.out.println("You can't take the square root of a neg num.");
                System.out.print("#: ");
                n = keyboard.nextInt();
            }
            double sqr = Math.sqrt(n);
            System.out.println("sqr of "+n+" is: "+sqr);
        }
    }
        
        
        

        
        
                   
    

Picture of the output