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rusak2 [61]
3 years ago
8

Something is wrong with the logic in the program above. For which values of time will the greeting "Good Morning!" be displayed?

var time = promptNum("What hour is it (on a 24 hour clock)?"); var greeting = ""; if (time < 6) { greeting = "It is too early!"; } else if (time < 20) { greeting = "Good Day!"; } else if (time < 10) { greeting = "Good Morning!"; } else { greeting = "Good Evening!"; } console.log(greeting);
Computers and Technology
1 answer:
Klio2033 [76]3 years ago
7 0

Answer:

There is logic problem in condition of elseif statement that is (time<20).

Explanation:

elseif(time<20) will be true for time<10 that means program will never greet good morning as to make logic correct either change condition from <em>elseif(time<20)</em> to <em>elseif(time<20&& time>=10)</em>. Or change the order of condition like check first for <em>elseif(time<10) </em>

solution 1

if (time < 6) { greeting = "It is too early!"; }

else if (time < 20 && time>=10) { greeting = "Good Day!"; }

else if (time < 10) { greeting = "Good Morning!"; }

else { greeting = "Good Evening!"; }

console.log(greeting);

solution 2

if (time < 6) { greeting = "It is too early!"; }

else if (time < 10) { greeting = "Good Morning!"; }

else if (time < 20 ) { greeting = "Good Day!"; }

else { greeting = "Good Evening!"; }

console.log(greeting);

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Answer:

Copy paste it.

Explanation:

#include <iostream>

#include <string>

using namespace std;

//Create a class Car, which contains • Three data members i.e. carName (of string type), ignition (of bool type), and //currentSpeed (of integer type)

class Car

{

public:

string carName;

bool ignition;

int currentSpeed;

//A no-argument constructor to initialize all data members with default values

//default value of string is "",bool is false,int is 0

Car()

{

carName="";

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currentSpeed=0;

}

//A parameterized constructor to initialize all data members with user-defined values

Car(string name,bool i,int speed)

{

carName=name;

ignition=i;

currentSpeed=speed;

}

//Three setter functions to set values for all data members individually

// Three getter function to get value of all data members individually

void setCarName(string s)

{

carName=s;

}

void setIgnition(bool ig)

{

ignition=ig;

}

void setCurrentSpeed(int speed)

{

currentSpeed=speed;

}

string getCarName()

{

return carName;

}

bool getIgnition()

{

return ignition;

}

int getCurrentSpeed()

{

return currentSpeed;

}

//A member function setSpeed( ) // takes integer argument for setting speed

void setSpeed(int sp1)

{

currentSpeed=sp1;

}

};

//Derive a class named Convertible

class Convertible:public Car

{

//A data member top (of Boolean type)

public:

bool top;

public:

//A no-argument constructor to assign default value as “false” to top

Convertible()

{

top=false;

}

//A four argument constructor to assign values to all data-members i.e. carName, ignition,

//currentSpeed and top.

Convertible(string n,bool i,int s,bool t):Car(n,i,s)

{

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currentSpeed=s;

top=t;

}

// A setter to set the top data member up

void setTop(bool t)

{

top=t;

}

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void show()

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};

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int main()

{

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c1.setTop(true);

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cout<<"Ignition is:"<<c1.getIgnition()<<endl;

cout<<"Current Speed is:"<<c1.getCurrentSpeed()<<endl;

return 0;

}

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