Assignment #112 and Odometer Loops

Code

    /// Name: Ali Kurland
    /// Period: 6
    /// Program Name: Odometer Loops
    /// File Name: OdometerLoops.java
    /// Date Finished: 1/28/2016
    
    /// 1. Without the braces on the outer for loops, the program still works.
    
    import java.util.Scanner; 
    
    public class OdometerLoops
    {
        public static void main( String[] args ) throws Exception
        {
            Scanner keyboard = new Scanner(System.in);
            
            System.out.print( "Pick a base (2-10): " );
            int b = keyboard.nextInt();
            
            for ( int thous=0; thous < b; thous++ )
                for ( int hund=0; hund < b; hund++ )
                    for ( int tens=0; tens < b; tens++ )
                        for ( int ones=0; ones < b; ones++ )
                        {
                            System.out.print( " " + thous + "" + hund + "" + tens + "" + ones + "\r" );
                            Thread.sleep(500);
                        }
    
            System.out.println();
        }
    }
    

Picture of the output