public class Operations { /** * The addition function. * @param x The first operand * @param y The second operand * @return the sum of x and y */ public static int add(int x, int y) { return x + y; } /** * The subtraction function * @param x The first operand * @param y The second operand * @return y taken from x */ public static int subtract(int x, int y) { return x - y; } /** * The multiplication function * @param x The first operand * @param y The second operand * @return x times y */ public static int multiply(int x, int y) { return x * y; } public static int divide(int x, int y) { return x/y; } }