How to read lines of two value (eg. Adam 21) and transform it in ArrayList? I mean something like database with name and age

Question

Adam 21
Adam 23
Anna 21
numbers means age, so I can't use HashSet here. or can but don't know how ) try to split.line in String[] Arrray, but stop here

Answer 1

Thanks, Martin. I learn only java, so forget about other languages here. I need to take some data from line (age only for example), and than sort it and convert number's part in different ways.