In java please,

an torial program. Write a program called FactMore that repeatedly prompts the user for integer number (n) and displays the factorial of that number (n!). Your program shou two methods: a main method which uses a while loop to do all necessary input and output, and a separate method called factorial that accepts one integer parameter and returns the that integer. The factorial method should not perform any input from or output to the console. factorial of Example 1 Enter a non-negative integer (-1 to quit): 4 41 = 24 Enter a non-negative integer (-1 to quit): 4 01 Enter a non-negative integer (-1 to quit): -1 Goodbye