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Exception Handling in C++ MCQ question and answer with solution | C++ Programimg MCQs

Learn Exception Handling in C++ MCQ Questions and answers with easy and logical explanations in C++ Programimg. Exception Handling in C++ MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-7 section-1

61
What is Re-throwing an exception means in C++?
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
62
What will be the output of the following C++ code?
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
void func(int a, int b)
{
    if(b < 1){
    	throw b;
    }
    else{
    	cout<<"Product of "<<a<<" and  "<<b<<" is: "<<a*b<<endl;
    }
}
 
int main()
{
    try
    {
    	try
            {			
        	    func(5,-1);
	    }
	   catch(int b)
            {
		if(b==0)
			throw "value of b is zero\n";
		else
			throw "value of b is less than zero\n";
	}
    }
    catch(const char* e)
    {
	cout<<e;
    }
}
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Answer & Solution
Answer: Option B
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63
What id the syntax for catching any type of exceptions?
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Answer & Solution
Answer: Option B
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64
What will be the output of the following C++ code?
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
class A
{
	int a;
    public:
	A(){}
};
class B: public A
{
	int b;
    public:
	B(){}
};
 
void func()
{
	B b;
	throw b;
}
int main()
{
	try{
		func();
	}
	catch(B *b){
		cout<<"Caught B Class\n";
	}
	catch(A a){
		cout<<"Caught A Class\n";
	}
}
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Answer & Solution
Answer: Option B
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65
Which of the following is an exception in C++?
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Answer & Solution
Answer: Option A
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66
What will be the output of the following C++ code?
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
class A
{
	int a;
    public:
	A(){}
};
 
class B: public A
{
	int b;
    public:
	B(){}
};
 
void func()
{
	B b;
	throw b;
}
 
int main()
{
	try{
		func();
	}
	catch(A a){
		cout<<"Caught A Class\n";
	}
	catch(B b){
		cout<<"Caught B Class\n";
	}
}
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Answer & Solution
Answer: Option B
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67
What happens when this C++ program is compiled?
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
class A
{
	int a;
    public:
	A(){}
};
 
class B: public A
{
	int b;
    public:
	B(){}
};
 
void func()
{
	B b;
	throw b;
}
 
int main()
{
	try{
		func();
	}
	catch(A a){
		cout<<"Caught A Class\n";
	}
	catch(B b){
		cout<<"Caught B Class\n";
	}
}
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Answer & Solution
Answer: Option C
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68
What is the difference between error and exception?
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Answer & Solution
Answer: Option C
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