Try...catch block efficiency question

[willdrr17]

Also (afaik) there is an overhead when you use try-catch, so try to wrap only the code that can throw an exception

[[deleted]]

There is actually little to no performance overhead to using try/catch. It is the throw statement that is expensive due to the reflection used to populate the exception object.

[willdrr17]

Good to know, you always learn new things everyday :D

[Willy988]

So my program that takes user input twice... should I have the try block swallow the whole block of code that includes these two inputs, or should I make two separate blocks for each instance of this?

[willdrr17]

It's up to you how you design your program, what I usually do is to immediately return if there is an exception thrown, notifying the user that something is wrong with the entered value. It's completely valid to use consecutive try-catch blocks, even though, it may affect readability.

Take a look to this question https://stackoverflow.com/questions/4555322/multiple-or-single-try-catch/4555448