INNER CODE UNIT · Java

Calculator

SeaseLtd/rated-ranking-evaluator · rre-core/src/main/java/io/sease/rre/Calculator.java:31

public abstract class Calculator {
    /**
     * Executes the sum of the given addends.
     *
     * @param addends the numbers that will be added together.
     * @return the sum of all input addends.
     */
    public static BigDecimal sum(final BigDecimal... addends) {
        return stream(addends).reduce(BigDecimal.ZERO, BigDecimal::add);
    }

    /**
     * Returns the product of a numbers set.
     *
     * @param numbers the numbers that will be added together.
     * @return the product of all input numbers.
     */
    public static BigDecimal multiply(final BigDecimal... numbers) {

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