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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-6 section-1

51
How Exception handling is implemented in the C++ program?
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Answer & Solution
Answer: Option B
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52
Header file used for exception handling in C++?
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Answer & Solution
Answer: Option D
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53
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 A
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54
Where should we place catch block of the derived class in a try-catch block?
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Answer & Solution
Answer: Option A
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55
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 func1()
{
	B b;
	throw b;
}
 
void func2()
{
	A a;
	throw a;
}
 
int main()
{
	try{
		func1();
	}
	catch(...){
		cout<<"Caught All types of exceptions\n";
	}
	try{
		func2();
	}
	catch(B b){
		cout<<"Caught All types of exceptions\n";
	}
}
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Answer & Solution
Answer: Option B
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56
An uncaught handler returns to . . . . . . . .
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Answer: Option C
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57
What is an exception in C++ program?
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Answer: Option A
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58
Which part of the try-catch block is always fully executed?
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Answer: Option C
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59
By default, what a program does when it detects an exception?
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Answer: Option B
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60
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 == 0){
    	throw "This value of b will make the product zero. " 
                 "So please provide positive values.\n";
    }
    else{
    	cout<<"Product of "<<a<<" and  "<<b<<" is: "<<a*b<<endl;
    }
}
 
int main()
{
    try{
    	func(5,0);
    }
    catch(char* e){
    	cout<<e;
    }
}
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board