C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

Will the inline function be compiled as the inline function always? Justify.

1 2015

Define a way other than using the keyword inline to make a function inline?

1 1629

How can a '::' operator be used as unary operator?

1 1480

Can a constructor throw a exception? How to handle the error when the constructor fails?

1 1692

What are the debugging methods you use when came across a problem?

1 1681

What is the difference between new/delete and malloc/free?

1 1597

What happens when a function throws an exception that was not specified by an exception specification for this function?

1 1595

Can you think of a situation where your program would crash without reaching the breakball, which you set at the beginning of main()?

1 1723

Is there any problem with the following: char *a=NULL; char& p = *a;?

1 1589

Is there anything you can do in C++ that you cannot do in C?

1 1828

What is the difference between public, private, and protected access?

1128

What is the difference between a baller and a reference in C++?

1169

Explain one method to process an entire string as one unit?

1661

How would you use qsort() function to sort an array of structures?

1165

What are the advantages of using pointers in a program?

1190

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Un-Answered Questions { C++ General }

What operator is used to access a struct through a pointer a) >> b) -> c) *

1162

What is the difference between C and CPP?

1212

Difference between strdup and strcpy?

1252

What is the difference between #import and #include?

1102

Can a class be static in c++?

1144

How do you declare A pointer to a function which receives nothing and returns nothing

1301

Is c++ vector a linked list?

1045

Difference between struct and class in terms of access modifier.

1231

How does a copy constructor differs from an overloaded assignment operator?

1082

What does the nocreate and noreplace flag ensure when they are used for opening a file?

1172

What are the advantages of pointers?

1119

What does iomanip mean in c++?

1274

Assume an array of structure is in order by studentID field of the record, where student IDs go from 101 to 500. Write the most efficient pseudocode algorithm you can to find the record with a specific studentID if every single student ID from 101 to 500 is used and the array has 400 elements. Write the most efficient pseudocode algorithm you can to find a record with a studentID near the end of the IDs, say in the range from 450 to 500, if not every single student ID in the range of 101 to 500 is used and the array size is only 300

2267

Is arr and &arr are same expression for an array?

1099

Is there a c++ certification?

1102

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