Thread: Trouble with detecting digits

Here is the question assigned to me in class...

Suppose you want to develop a program to play lottery. The program randomly
generates a lottery of a two-digit number, prompts the user to enter a two-digit number,
and determines whether the user wins according to the following rule:
a. If the user input matches the lottery in exact order, the award is $10,000. 2/2

b. If all the digits in the user input match all the digits in the lottery, the award is
$3,000.
c. If one digit in the user input matches a digit in the lottery, the award is $800.

Note that, in the program, make sure that the lottery number generated must be two
digits.
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So far I have created the random generator and scanner to get the user input. The problem I am having though is for example if i get a number 1-9, how can i make that into 2 digits for example 09 or 07 etc. I'm sure I have to use decimalformat but that doesnt seem to work. Also, I am having a problem detecting each individual digit. I know I have to use the number%10 but then how do i get the first digit. Any help would be greatly appreciated.

I imported the java.util.Random and then I created a random object called myGenerator. When I try to declare my random number as a String I get an error:
Error: cannot find symbol
symbol: method nextLine(int)
location: variable myGenerator of type java.util.Random
my code looks like this:
String lottery = myGenerator.nextLine(99) + 1;

What am I doing wrong?