Casting and ParseInt

Casting and ParseInt both serve a similar purpose of changing the datatype of the variable but casting does it for the specific variable however, Parse is used to analyze a literal string and store them in different categories. I am making my way towards the end of the Input Output Assignments. I was debating with myself whether I should listen to Mr. Arkin's private lessons to certain students but I decided to continue with my assignment and clarify doubts with him when I get them. I have to upload all my errors into my Error Blog, as they are piling up!