com.aoindustries.math

Class NullMath

java.lang.Object

com.aoindustries.math.NullMath

public class NullMath
extends Object

Math routines that allow null.

Author:

AO Industries, Inc.

Method Summary

Modifier and Type	Method and Description
static Integer	add(Integer i1, Integer i2) Adds two integers together while allowing null.
static Integer	sub(Integer i1, Integer i2) Subtractions one integers from another while allowing null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

add

public static Integer add(Integer i1,
                          Integer i2)

Adds two integers together while allowing null.

Returns:

the sum or null when both arguments are null

sub

public static Integer sub(Integer i1,
                          Integer i2)

Subtractions one integers from another while allowing null.

Returns:

the difference or null when both arguments are null