DigitsRunner.java

import java.util.List;
import java.util.Arrays;
import java.util.ArrayList;

public class DigitsRunner
{
    public static void main(String[] args)
    {
            Digits d1 = new Digits( 234980324 );
            System.out.println( d1 );

            Digits d2 = new Digits( 0 );
            System.out.println( d2 );

            Digits d3 = new Digits( 10001 );
            System.out.println( d3 );

            int[] cases = { 10, 20, 20302, 12345, 54321, 33339, 0, 11111, 10101010 };

            for( int x : cases )
                System.out.println( new Digits( x ). isStrictlyIncreasing() );
    }
}

/*expected OUTPUT

[2, 3, 4, 9, 8, 0, 3, 2, 4]
[0]
[1, 0, 0, 0, 1]


false
false
false
true
false
false
true
false
false


*/