Quote:
Originally Posted by crazysunny21
1. usually we define array with some size .. eg int a[5] which can store 5 elements ... i wanna know is it possible to declare an array whose size is not fixed ....
You cannot have arrays but you have pointers for that.

Quote:
Originally Posted by crazysunny21
2. if i m having 2 arrays of char type ... can i concatinate i th and j th element of these arrays and store the result in 3rd array ... and if yes how .... please if u can tell me the syntax ...
You can use the function strcat

Quote:
Originally Posted by crazysunny21
3. like in java we can count the length of the array by using
lenght.arrayname ... can we also count the length of array in C++ ...
Nope. You need to know the element length as it cannot be variable in C++