Use a temporary text file. Say, I call it temp.txt
Open temp.txt and the Original file.
Copy the name and balance from the Original file into two temporary variables (one to hold the name, another...

Now, I'm not sure how much you know about arrays. But let me put it this way as basics. You know Microsoft Excel? Imagine arrays are similar to excel where you have columns and rows. However, arrays...

Hello! Ni hao.
I'm from Malaysia. Freshman at a local university studying Computer Science. I'll be glad to help.