src/edu/kit/informatik/campusmanagement/Grade.java
/**
     * Returns the average grade for the provided collection.
     * 
     * @param  values a collection of grades
     * @return the average grade
     * @see    #average(Collection, Function, ToIntFunction)
     */
Returns the average grade for the provided collection.

@param  values a collection of grades
@return the average grade
@see    #average(Collection, Function, ToIntFunction)
Returns the average grade for the provided collection . @param values a collection of grades @return the average grade @see #average ( Collection Function ToIntFunction )
public static Grade average(
            final Collection<Grade> values) {
        return average(values, identity(), grade -> 1);
    }
public static Grade average ( final Collection < Grade > values ) { return average ( values , identity ( ) , grade -> 1 ) ; }
Returns the average grade for the provided collection.
Returns the average grade for the provided collection .
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