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Reimplementation of the Math class to be used as an example for Unit Testing.
public final class Math {
public static int add(int first, int second) {
return firstNumber + secondNumber;
}
public static int multiply(int multiplicand, int multiplier) {
return multiplicand * multiplier;
}
public static double divide(int dividend, int divisor) {
if (divisor == 0)
throw new IllegalArgumentException("Cannot divide by zero (0).");
return dividend / divisor;
}
}
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