// The third parameter is the size of the output string in characters
        // size = number of hex characters to output
        // Each byte produces 2 hex characters

        // Test basic conversion (srcIndex is ignored in the implementation)
        byte[] data1 = { 0x00, 0x01, 0x02, 0x03 };
        assertEquals("00", Hexdump.toHexString(data1, 0, 2)); // 2 chars = 1 byte

        return a + b;
    }

    /**
     * Safe integer multiplication with overflow check
     *
     * @param a first operand
     * @param b second operand
     * @return product of a and b
     * @throws ArithmeticException if overflow occurs
     */
    public static int safeMultiply(int a, int b) {
        validateIntegerMultiplication(a, b, "Multiplication");
        return a * b;
    }

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 * entry's state at the time of retrieval; such entries do, however, support {@link
 * Map.Entry#setValue}, which simply calls {@link Map#put} on the entry's key.
 *
 * <p>The maps produced by {@code MapMaker} are serializable, and the deserialized maps retain all
 * the configuration properties of the original map. During deserialization, if the original map had

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