You could start by telling us how you were planning to use the text file, how you were going to handle the exceptions and what exactly is unclear to you about HashMap. In a nutshell, it's just a key value pair data structure.
neo zef wrote:... I do not know how to start it because I do not understand the topic about hashmap...
I strongly suggest against modifying 150+ lines of gui code while learning java. Given that you are unable to fix compilation errors, I believe that this would be a complex task that you are somehow trying to get to work.
Dylan Dugan wrote:... but I am a bit confused by some of this as I am knew to Java so my knowledge is slim ...
Campbell Ritchie wrote:Start from where you left off? Please explain a bit more, Salvin;
Campbell Ritchie wrote:it sounds as if I was mistaken not to use your favourite text editor.
Campbell Ritchie wrote:Does it support syntax highlighting for LaTeX?
Campbell Ritchie wrote:Would you like to add it somewhere; I think we have a text editors FAQ.
Fred Masen wrote:Salvin I use the proper way but Eclipse gave me so many errors while I was typing the code that I had to change it constantly. However you are correct about the bug but if you could demonstrate me how you can get this piece of code working properly without getting into classes and obtaining the correct average age, I would deeply appreciate. Understand also that after a few hours of frustration I did not know what I was typing at the end