Exception Handling In C Plus Plus — Part 2 MCQs with Explanations

throws is the correct answer to “Which keyword is used to specify that a function will throw any exceptions in C++”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

It is called when an unexpected exception occurs is the correct answer to “What is the purpose of the 'std::unexpected' function in C++ exception handling”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

An exception thrown inside a 'try' block must always be caught is the correct answer to “Which statement about exception handling in C++ is true”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

It terminates the program is the correct answer to “What is the behavior of the 'std::terminate' function in C++”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

termination of program is the correct answer to “Uncaught exception leads to . . . . . . . .”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

This value of b will make the product zero. So please provide positive values. is the correct answer to “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(const char* e){ cout<<e; } }”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Violation of syntactic and semantic rules of a languages is the correct answer to “What is an error in C++”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

2 is the correct answer to “What are the different types of exceptions”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

To avoid unexpected behaviour of a program during run-time is the correct answer to “Why do we need to handle exceptions”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

throw is the correct answer to “Which keyword is used to throw an exception”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Using try-catch block is the correct answer to “How Exception handling is implemented in the C++ program”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

<exception> is the correct answer to “Header file used for exception handling in C++”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Caught B Class is the correct answer to “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"; } }”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Before the catch block of Base class is the correct answer to “Where should we place catch block of the derived class in a try-catch block”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Caught All types of exceptions Aborted (core dumped) is the correct answer to “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"; } }”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

its callee is the correct answer to “An uncaught handler returns to . . . . . . . .”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

A problem that arises during the execution of a program is the correct answer to “What is an exception in C++ program”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

finally part is the correct answer to “Which part of the try-catch block is always fully executed”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Results in the termination of the program is the correct answer to “By default, what a program does when it detects an exception”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

All of the mentioned is the correct answer to “What is Re-throwing an exception means in C++”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

value of b is less than zero is the correct answer to “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; } }”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

catch(...) is the correct answer to “What id the syntax for catching any type of exceptions”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Divide by zero is the correct answer to “Which of the following is an exception in C++”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Caught A Class is the correct answer to “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"; } }”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

The program compiles successfully with warnings is the correct answer to “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"; } }”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.

Exceptions can be handled at the run-time but the errors cannot is the correct answer to “What is the difference between error and exception”. This question is standard in competitive examination syllabi for Exception Handling In C Plus Plus.