If you want a method to return a single value, you can return that value as the result of the method.
1 2 3 4 | public int AgeInHumanYears(){ return Age * 7;} |
However, there might be times when you want to return more than one data item from a method. You can do this without parameters. Putting the keyword out in front of a parameter tells the compiler that the caller will not pass data in, but the method will pass data out.
1 2 3 4 5 6 | public void GetDogVitals(out string fullName, out int age, out string barkPhrase){ fullName = string.Format("{0}, {1}", Name, Title); age = Age; barkPhrase = BarkPhrase;} |
When you call the method, you also need to use the out keyword on the variables passed into the method.
1 2 3 4 | string hisFullName;int hisAge;string hisBark;kirby.GetDogVitals(out hisFullName, out hisAge, out hisBark); |
