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Sandy Woods
1,082 PointsParsing Int
Why can't we just use int age = console.readLine("Enter you're age: "); Instead of: String ageAsString = console.readLine("How old are you? "); int age = Integer.parseInt(ageAsString);
2 Answers
Jennifer Nordell
Treehouse TeacherHi there! It's because any data coming in from the prompt is coming in as a string (and this is also true of other languages besides Java). And you would be trying to assign that string to an integer variable which would cause an error. So we read in the age which looks like a number to the person writing it, but is actually a string. Then we convert that number into an integer.
Hope this helps!
Sandy Woods
1,082 PointsGreat. So, in order to go from one data type to another, parsing is required?
A X
12,842 PointsSandy Woods : Yep, parsing is a way (most likely not the only way) to move data from one type to another as needed.