curve

Class AbstractGraph

java.lang.Object

curve.AbstractGraph

Direct Known Subclasses:

Histogram, PieChart

public abstract class AbstractGraph
extends java.lang.Object

The AbstractGraph class defines the necessary and commont components for both a Histogram and PieChart Derived from the requirements documentation regarding visuals.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.util.List<java.lang.Integer>	numScores The List containing an entry for how many students have a particular score.
(package private) java.util.List<Section>	sections Section to which the visual will apply to.

Constructor Summary

Constructors

Constructor and Description
AbstractGraph()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	categorizeScores() Uses the Section to find the Scores necessary to draw the chart as well as categorizes them into numScores
private static int	countCollection(java.util.List<java.lang.Integer> collection)
private static int	countStudents(java.util.List<Section> sections)

Methods inherited from class java.lang.Object

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

Field Detail

sections

java.util.List<Section> sections

Section to which the visual will apply to.

numScores

java.util.List<java.lang.Integer> numScores

The List containing an entry for how many students have a particular score. Written to by categorizeScores()

Constructor Detail

AbstractGraph

public AbstractGraph()

Method Detail

countCollection

private static int countCollection(java.util.List<java.lang.Integer> collection)

countStudents

private static int countStudents(java.util.List<Section> sections)

categorizeScores

public abstract void categorizeScores()

Uses the Section to find the Scores necessary to draw the chart as well as categorizes them into numScores

         post:
         //Ensure that the numScores list is correct by summing the contents of the list and verifying that it is the
         //same size as the number of students
                countCollection(numScores) == countStudents(sections);