Bulls and Cows

„Bulls and cows“.
The rules are as follows:

There's random generated 4-digit number, without repeating digits
The player tries to guess this number by entering 4-digit number
If the player's digits matches the digits from the hidden number and they are in the right places, they are bulls
If the player's digits matches the digits from the hidden number and they are NOT in the right places, they are cows
In any attempt to guess the number is shown how bulls and cows contains the assumption
If the player guesses the number with a maximum of 10 attempts, he loses the game