98-361 MTA Software Development Fundamentals

What is the Main method? - It serves as the entry point to a program. When runtime executes a program, it always starts at the Main method. What does the Switch statement do? - It works like CASE, and allows for different options to run different code, which uncomplicates having to combine several if statements. Name the 4 C# control structures. - while loop, do-while loop, for loop and foreach loop When does the do-while loop test the condition? - At the bottom of the loop. What is the foreach loop useful for? - Iterating through elements of a collection or array. What is recursion? - A programming technique that causes a method to call itself in order to compute a result. How to you use a try-catch block? - Put the code that could throw an exception in the try section, and place the code that catches exceptions in the catch section. What is the finally block used for? - It is always executed regardless of whether an exception has been thrown, so you can put clean up code here such as disconnections.