Validating string dating tips questions to ask

I'm trying to ask the user to enter Y/N to continue. Right now if I typed a random letter I get sent back to the data entry section and I'm not sure why. I'm assuming it has something to do with the fact I'm not using the bigdecimal class.

Fortunately with Windows Power Shell, almost all mishaps were a result of the author simply not knowing about or how to use a feature within the Windows Power Shell language.Today, we will try to shed light on a feature that was introduced in Windows Power Shell 2.0: parameter validation.The 2011 Scripting Games have come and gone, and almost 2000 scripts were written in this year’s contest.This resulted in a hundreds of thousands of lines of Windows Power Shell code, some better than others, but all executed to the authors best ability.I have a question about validation in Java, I have looked at previous topic and none seem to answer my little problem.

What I am trying to do is validate what is put into a string variable in the constructor but also when a set method is used.Simply put, parameter validation is a means for Windows Power Shell to validate a parameter’s value before the body of the script or function is run.Often parameter validation can significantly clean up one’s code, while increasing performance.So let’s start by examining how you would validate a parameter in Windows Power Shell 1.0.In this example, you have three parameters Name, Age, and Path.Server side validation is performed by a web server, after input has been sent to the server.