### Question:
SpecialMath { public static boolean isOdd(int x) { if (x % 2 == 1) return true; return false; }  static double getMachineEpsilon(); static double evaluatePolynomial(double x, double[] coefficients); static double calculateCompleteEllipticIntegralOfTheFirstKind(double m); static double[] calculateJacobianEllipticFunctionsValues(double u, double m); static int factorial(int n); static int combinations(int n, int k); static double complement(double angle); static double[] unwrap(double[] angles); static boolean isOdd(int x); static boolean isEven(int x); static double acosh(final double a); static double asinh(double a);  }### Answer:
@Test public void testIsOdd() { assertTrue(isOdd(3)); assertFalse(isOdd(12)); }