GeometricProgression

java.lang.Object

com.zybooks.dsaj.design.Progression

com.zybooks.dsaj.design.GeometricProgression

public class GeometricProgression extends Progression

A class producing a geometric progression of the form start, start*factor, start*factor*factor, ...

Field Summary

Fields

Modifier and Type

Field

Description

protected long

base

Fields inherited from class com.zybooks.dsaj.design.Progression
current
Constructor Summary

Constructors

Constructor

Description

GeometricProgression()

Constructs progression 1, 2, 4, 8, 16, ...

GeometricProgression(long b)

Constructs progression 1, b, b^2, b^3, b^4, ...

GeometricProgression(long b, long start)

Constructs geometric progression with arbitrary base and start.
Method Summary

Modifier and Type

Method

Description

protected void

advance()

Multiplies the current value by the geometric base.

Methods inherited from class com.zybooks.dsaj.design.Progression
nextValue, printProgression

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- base
  
  protected long base
Constructor Details
- GeometricProgression
  
  public GeometricProgression()
  
  Constructs progression 1, 2, 4, 8, 16, ...
- GeometricProgression
  
  public GeometricProgression(long b)
  
  Constructs progression 1, b, b^2, b^3, b^4, ... for base b.
  
  Parameters:
  
  b - the base of the geometric progression
- GeometricProgression
  
  public GeometricProgression(long b, long start)
  
  Constructs geometric progression with arbitrary base and start.
  
  Parameters:
  
  b - the base of the geometric progression
  
  start - the first value of the progression
Method Details
- advance
  
  protected void advance()
  
  Multiplies the current value by the geometric base.
  
  Overrides:
  
  advance in class Progression