Technical Interview

Home
Added Recently
Data Structures
Puzzles
Google & Microsoft
C/C++ Questions
Java Interview Questions
Quantitative Problems
Algorithms
Featured Articles
Amazon Interview Question
Compaq Interview Question
Technical Interview
Interview Process
Introduction Questions
Object Oriented
Google Pages
Fundamental Questions
Resume Tips
Links
Contact Us
Submit Question/Answer

C interview question:

Why doesn't the following statement work?

char str[ ] = "Hello" ;
strcat ( str, '!' ) ;


Answer:

The string function strcat( ) concatenates strings and not a character. The basic difference between a string and a character is that a string is a collection of characters, represented by an array of characters whereas a character is a single character. To make the above statement work writes the statement as shown below:
strcat ( str, "!" ) ;