Package org.apache.juneau.commons.lang

Class WeightedAverage

java.lang.Object

org.apache.juneau.commons.lang.WeightedAverage

public class WeightedAverage
extends Object

A simple weighted average of numbers.

Constructor Summary

Constructors

Constructor	Description
WeightedAverage()

Method Summary

Modifier and Type	Method	Description
WeightedAverage	add(int w, Number v)	Add a number with a weight to this average.
double	getValue()	Returns the weighted average of all numbers.

Methods inherited from class java.lang.Object

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

Constructor Details

WeightedAverage

public WeightedAverage()

Method Details

add

public WeightedAverage add(int w,
 Number v)

Add a number with a weight to this average.

Parameters:

w - The weight of the new value.

v - The new value.

Returns:

This object.

getValue

public double getValue()

Returns the weighted average of all numbers.

Returns:

The weighted average of all numbers.