Java Number Multiply multiplyNumbers(Number a, Number b)

Description

multiply Numbers

License

Open Source License

Declaration

public static Number multiplyNumbers(Number a, Number b) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static Number multiplyNumbers(Number a, Number b) {
        if (a instanceof Double || b instanceof Double) {
            return Double.valueOf(a.doubleValue() * b.doubleValue());
        } else if (a instanceof Float || b instanceof Float) {
            return Float.valueOf(a.floatValue() * b.floatValue());
        } else if (a instanceof Long || b instanceof Long) {
            return Long.valueOf(a.longValue() * b.longValue());
        } else if (a instanceof Integer || b instanceof Integer) {
            return Integer.valueOf(a.intValue() * b.intValue());
        } else if (a instanceof Short || b instanceof Short) {
            return Short.valueOf((short) (a.shortValue() * b.shortValue()));
        } else {/*ww w.j a va  2s.  com*/
            throw new UnsupportedOperationException("can not multiply " + a + " and " + b);
        }
    }
}

Related

1. multiply(Number n1, Number n2)
2. multiply(Number n1, Number n2)
3. multiply(V1 value1, V2 value2)
4. multiplyForLong(final Number operand1, final int operand2)
5. multiplyLongs(Long a, Long b)