$//$ instance variable declarations

private int gears $=0$;

private double cost $=0\mathrm{.}0$;

private double weight $=0\mathrm{.}0$;

private String color $=""$;

$//$ constructor $-$ default

public Bicycle$()\{$

$\}$

$//$ constructor $-$ String parameter

public Bicycle$($String aColor$)\{$

this.color $=$ aColor;

$\}$

$//$ constructor $-$ int parameter

public Bicycle$($int nbrOfGears$)\{$

this.gears $=$ nbrOfGears;

$\}$

$//$ constructor $-$ int, double, double, String parameters

public Bicycle$($int nbrOfGears, double theCost, double theWeight, String aColor$)\{$

this.gears $=$ nbrOfGears;

this.cost $=$ theCost;

this.weight $=$ theWeight;

this.color $=$ aColor;

$\}$

$//$ method to output Bicycle's information

public void outputData$()\{$

System.out.println$("$

Bicycle Details:"$)$;

System.out.println$("$Gears : $"+$ this.gears$)$;

System.out.println$("$Cost : $"+$ this.cost$)$;

System.out.println$("$Weight : $"+$ this.weight $+"$ lbs$")$;

System.out.println$("$Color : $"+$ this.color$)$;

$\}$

$//$ method to output Bicycle's information $-$ overloaded

$//-$ method call chaining enabled

public Bicycle outputData$($String bikeText$)\{$

System.out.println$("$

Bicycle $"+$ bikeText $+"$ Details:"$)$;

System.out.println$("$Gears : $"+$ this.gears$)$;

System.out.println$("$Cost : $"+$ this.cost$)$;

System.out.println$("$Weight : $"+$ this.weight $+"$ lbs$")$;

System.out.println$("$Color : $"+$ this.color$)$;

return this;

$\}$

$//$ Accessors $($Getters$)$

public int getGears$()\{$

return this.gears;

$\}$

public double getCost$()\{$

return this.cost;

$\}$

public double getWeight$()\{$

return this.weight;

$\}$

public String getColor$()\{$

return this.color;

$\}$

$//$ Mutators $($Setters$)-$ method call chaining enabled

public Bicycle setGears$($int nbr$)\{$

this.gears $=$ nbr;

return this;

$\}$

public Bicycle setCost$($double amt$)\{$

this.cost $=$ amt;

return this;

$\}$

public Bicycle setWeight$($double lbs$)\{$

this.weight $=$ lbs;

return this;

$\}$

public Bicycle setColor$($String theColor$)\{$

this.color $=$ theColor;

return this;

$\}$

$\}$

package com.three$19$;

public class Driver $\{$

public static void main$($String$[]$ args$)\{$

$//$ Example calls to mutators

Bicycle myBike $=$ new Bicycle$()$;

myBike.setGears$(24)$;

myBike.setCost$(319\mathrm{.}99)$;

myBike.setWeight$(13\mathrm{.}5)$;

myBike.setColor$("$Purple$")$;

System.out.println$("$

myBike's color is $"+$ myBike.getColor$())$;

$//$ Example of calls to overloaded constructor

Bicycle myBike$1=$ new Bicycle$()$;

Bicycle myBike$2=$ new Bicycle$("$Brown$")$;

Bicycle myBike$3=$ new Bicycle$(22)$;

Bicycle myBike$4=$ new Bicycle$(22,319\mathrm{.}99,13\mathrm{.}5,$ "White"$)$;

myBike$1.$outputData$("$Nbr $1")$;

myBike$2.$outputData$("$Nbr $2")$;

myBike$3.$outputData$("$Nbr $3")$;

myBike$4.$outputData$("$Nbr $4")$;

$//$ Example using method call chaining

Bicycle myBike$5=$ new Bicycle$(24,418\mathrm{.}50,17\mathrm{.}2,$ "Green"$)$;

myBike$5.$setColor$("$Peach$").$setGears$(32).$outputData$("$Number $5")$;

$//"$IS A$"$ Checks

System.out.println$("$

$\backslash "$IS A$\backslash "$ CHECKS"$)$;

$//$ focus on myBike$6$

Bicycle myBike$6=$ new Bicycle$()$;

if $($myBike$6$ instanceof Bicycle$)$

System.out.println$("$myBike$6$ Instance of Bicycle: True"$)$;

else

System.out.println$("$myBike$6$ Instance of Bicycle: False"$)$;

if $($myBike$6$ instanceof TwoWheeled$)$

System.out.println$("$myBike$6$ Instance of TwoWheeled: True"$)$;

else

System.out.println$("$myBike$6$ Instance of TwoWheeled: False"$)$;

if $($myBike$6$ instanceof Vehicle$)$

System.out.println$("$myBike$6$ Instance of Vehicle: True"$)$;

else

System.out.println$("$myBike$6$ Instance of Vehicle: False"$)$;

if $($myBike$6$ instanceof Object$)$

System.out.println$("$myBike$6$ Instance of Object: True"$)$;

else

System.out.println$("$myBike$6$ Instance of Object: False"$)$;

$//$ focus on TwoWheeled

TwoWheeled myTwoWheeled $=$ new TwoWheeled$()$;

if $($myTwoWheeled instanceof Bicycle$)$

System.out.println$("$

myTwoWheeled Instance of Bicycle: True"$)$;

else

System.out.println$("$

myTwoWheeled Instance of Bicycle: False"$)$;

if $($myTwoWheeled instanceof TwoWheeled$)$

System.out.println$("$myTwoWheeled Instance of TwoWheeled: True"$)$;

else

System.out.println$("$myTwoWheeled Instance of TwoWheeled: False"$)$;

if $($myTwoWheeled instanceof Vehicle$)$

System.out.println$("$myTwoWheeled Instance of Vehicle: True"$)$;

else

System.out.print