Calling of main() itself inside main()

main()

    {

    static int var = 5;

    printf("%d ",var--);

    if(var)

         main();

    }

Answer:

5 4 3 2 1

        Explanation:

When static storage class is given, it is initialized once. The change in the value of a static variable is retained even between the function calls. Main is also treated like any other ordinary function, which can be called recursively. 

Blog Author: Vijay Kumar

Go to: Java Aptitude