Answer the following true/false questions using the following code. And state why it is true or false . Code fragment 1:void light_candle(Candle &c){ if(match){cout << "~~Lighting candle indoors~~"<<endl; c.on_off=true;match=false;} else{cout <<"You don't have a match."<<endl; }}void light_candle(bool weather, Candle &c){if(weather&&match) {cout << "~~Lighting candle outdoors~~"<<endl; c.on_off=true;match=false;}else{cout << "Too hot to light candle."<<endl; }}We can tell for certain what type of variable match is.We can tell that on_off is a function in the Candle class.light_candle is an overridden function.If we have a Candle object called can1, can1.match would be valid line of code.5. We see two examples of polymorphism in this given code.We can assume on_off will always have the value true when light_candle is called since we are passing in by reference.We can assume that match is in the Candle class.r.light_candle(true, can1); would be a possible valid line of code.light_candle(true, can1); would be a possible valid line of code.

1. Yes we can tell what type of variable match is by seeing the above code. True 2. Yes we can tell…

Answered: Answer the following true/false…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Answer the following true/false questions using the following code. And state why it is true or false .

Code fragment 1:

void light_candle(Candle &c)

{ if(match){

cout << "~~Lighting candle indoors~~"<<endl; c.on_off=true;
match=false;

} else{

cout <<"You don't have a match."<<endl; }

}

void light_candle(bool weather, Candle &c)

{
if(weather&&match) {

cout << "~~Lighting candle outdoors~~"<<endl; c.on_off=true;
match=false;

}

else{

cout << "Too hot to light candle."<<endl; }

}

We can tell for certain what type of variable match is.
We can tell that on_off is a function in the Candle class.
light_candle is an overridden function.
If we have a Candle object called can1, can1.match would be valid line of code.

5. We see two examples of polymorphism in this given code.

We can assume on_off will always have the value true when light_candle is called since we are passing in by reference.
We can assume that match is in the Candle class.
r.light_candle(true, can1); would be a possible valid line of code.
light_candle(true, can1); would be a possible valid line of code.

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