A random number with 3 digit and try to guess every digit one by one

I am new in Java and for the moment basic with methods, classes and constructors. For practice I am trying to write a basic game (safecracker). So my logic is get a 3 digit random number and try to guess it.

private static int takeRandomSafeCode(int min, int max) {
    Random random = new Random();
    int result = random.nextInt(max - min) + min;
    return result;  

 private static void playGame() {
    int safeCode = takeRandomSafeCode(100, 999);
    int guess = takeGuess();

These are my random number methods. But if player guess a number and first digit is correct but on a wrong place I want to say "1 digit is correct but on a wrong position" or if one digit is correct "1 digit is correct and correct position"

I need to use here if-else statement i guess but I get my numbers int variable. What is the way of checking numbers one by one? Do I need to use a String? I am a little bit lost at this point. I would appreciate with your help.