Array Interview Questions

• Why array index always start with zero?

• Is it valid to access an element beyond the end of an array?

• Can you find size of an array passed to a function using sizeof operator?

• Is it better to use a pointer to access an array elements, or a subscripted array name?

• Can you assign an address to an array tag(name)?

• Is it array_name and &array_name both are same?

• Why can’t variable is used in declaration of an array?

• Why can't constant values be used to declare an array?

• You can use symbolic constant in an array declaration?

• Can you initialize more then size of array element values?

• Can you assign more the size of array elements?

• What will happen if assign a value to an array if you exceeds the size of array?

• What is the difference between an array and a string?

• How you can create an array that hold more than 64KB of data?

• You can define size of an array at run time in declaration?

• What is the difference between ++*pointer and *pointer++?

• What is the difference between *--pointer and *pointer--?

• How you can pass an array elements to a function by value?

• How you can pass an array elements to a function by address?

• Can you pass complete array any argument to a function?

• How you can access complete array from outsize of the function?

• Can you declare an array without size?

• Can you initialize an array without size?

• What you mean by variable number of arguments?

• In a function variable number of arguments are fixed?

• What is the use of stdarg.h file?

• What is the use of va_arg()?

• What is the use of va_end()?

• What is the use of va_start()?

• What is va_list?