Programming in Modern C++ Week 6 Assignment Answers
Are you looking for the NPTEL Programming in Modern C++ Week 6 Assignment Answers? You’ve come to the right place! This resource provides comprehensive solutions to all the questions from the Week 6 assignment, helping you navigate through the complexities of modern C++ programming.
What will be the output /error? a) Base2::show()Base2::display()Basei::printBase2: :show()Base2: :display()Basei::print b) Base2::show()Basei::display()Base2: :printBase2: :show()Base2: :display()Basei: :print c) Base2::show()Base2: :display()Basel::printBase2: :show()Basel::display()Base2: :print d) compile time error
Answer: a) Base2::show()Base2::display()Basei::printBase2: :show()Base2: :display()Basei::print
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These are Nptel Programming in Modern C++ Assignment 6 Answers
Quiz
Q1. Consider the following code segment. What will be the output? a) A1B1 b) A1B2 c) A2B1 d) A2B2
Answer: b) A1B2
Q2. Consider the following code segment. What will be the output? a) 8 8 1 b) 8 8 4 c) 1 8 4 d) 0 1 4
Answer: b) 8 8 4
Q3. Consider the following code segment. What will be the output? a) A B C ~C ~B ~A b) A B C ~C ~B c) A B C ~B ~A d) A B C ~A
Answer: d) A B C ~A
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These are Nptel Programming in Modern C++ Assignment 6 Answers
Q4. Consider the following code segment. Which line/s will NOT give you error? a) LINE-1 b) LINE-2 c) LINE-3 d) LINE-4
Answer: a) LINE-1
Q5. Consider the following code segment. Which line/s will give you error? a) LINE-1 b) LINE-2 c) LINE-3 d) LINE-4
Answer: a), c)
Q6. Consider the following code segment. Fill in the blank at LINE-1 such that the program will print Class2: : fun(). a) new Class1 b) new Class2 c) new Class3 d) It cannot be printed
Answer: b) new Class2
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These are Nptel Programming in Modern C++ Assignment 6 Answers
Q7. Consider the following code segment. What will be the output? a) 0 b) 1 c) 2 d) Garbage values
Answer: a) 0
Q8. Consider the following code segment. Fill in the blank at LINE-1 so that the program will print 1. a) cb-›f() b) classA: : cb->f ( c) cb->classA: :f () d) classA: :f ()
Answer: c) cb->classA: :f ()
Q9. Identify the abstract class/es from the following code snippet. a) Flower, FlowerWSmell, FlowerWOSmell b) Flower, FlowerWOSmell, Dahlia c) Flower, FlowerWSmell, FlowerWOSmell, Sunflower d) Flower
Answer: b) Flower, FlowerWOSmell, Dahlia
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These are Nptel Programming in Modern C++ Assignment 6 Answers
Programming Assignment
Question 1
Complete the program with the following instructions. • Fill in the blank at LINE-1 with appropriate keyword, • Fill in the blanks at LINE-2 to declare fun () as a pure virtual function, • fill in the blank at LINE-3 with approriate object instantiation, The program must satisfy the given test cases.
Solution:
#include<iostream>
using namespace std;
class Base{
protected:
int s;
public:
Base(int i=0) : s(i){}
virtual ~Base(){ }
virtual int fun() = 0;
};
class Derived : public Base{
int x;
public:
Derived(int i, int j) : Base(i), x(j) {}
~Derived();
int fun(){
return s*x;
}
};
class Wrapper{
public:
void fun(int a, int b){
Base *t = new Derived(a, b);
int i = t->fun();
cout << i << " ";
delete t;
}
};
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These are Nptel Programming in Modern C++ Assignment 6 Answers
Question 2
Consider the following program with the following instructions. • Fill in the blank at LINE-1 and LINE-2 with appropriate return statements The program must satisfy the sample input and output.
Solution:
double Customer::getMaturity(){
return principal + getInterest();
}
double Employee::getMaturity(){
return principal + getInterest() + getExtraAmt();
}
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These are Nptel Programming in Modern C++ Assignment 6 Answers
Question 3
Consider the following program. Fill in the blanks as per the instructions given below : • Fill in the blank at LINE-1 with an appropriate destructor declaration. • Fill in the blank at LINE-2 with an appropriate constructor statement. such that it will satisfy the given test cases.
Solution:
#include<iostream>
using namespace std;
class A{
public:
A(){ cout << "11 "; }
A(int n){ cout << n + 2 << " "; }
virtual ~A();
};
class B : public A{
public:
B(int n) : A(n)
{
cout << n + 5 << " ";
}
B(){ cout << "21 "; }
virtual ~B(){ cout << "22 "; }
};
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These are Nptel Programming in Modern C++ Assignment 6 Answers
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