The method signature `multiply(int x, int y)` defines a method named `multiply`, which accepts two integer parameters `x` and `y`. The method multiplies the values of `x` and `y` together and returns an integer result.
A method that accepts two integers, adds them together, and returns an integer result.
subtract(int x, int y): A method that accepts two integers, subtracts the value of the second integer from the first integer, and returns an integer result.
divide(int x, int y): A method that accepts two integers, divides the first integer by the second integer, and returns a floating-point number.