How to save new objects into an arrayList?

I have created an arraylist which stores objects. Each object consists of a name and age. How can I sort this arraylist in descending order of age?

Say I have an ArrayList of Employee objects. These objects' parameters are String, int, and enum. So each element in the array is an object that looks like this: Employee Samuel = new Employee("Samuel", 56, Department.ACCOUNTING); After I've...

how do i sort a arraylist of student objects according to their data filed name in alphabetical oder? and with the result of its findAverage method behind its name at the same time?

I want to save the animated pictures or objects or any cartoons or anything from the websites, but even doing the right click SAVE AS doesn't come and I still can't save it as an animated object, Can anyone help please?

post = Post.create post.comments = Comment.create # new comment will immediately be reflected in db post.save

I'm playing a flash game in my desktop. It is supposed to save at the location Macromedia>Flash Player>#Shared Objects. But, whenever try loading it, it's not there. The game is in different language. What do you think is the problem?

what i'm trying to do is save a pdf file into the ole object field of access database using a C# window form, then be able to open it too using the datagridview, is it possible? and how am i going to do it, i tried using the pdf reader COM object of...

Please help me I need the code for this question. Here it is.... Define a class named ArrayList. This class represents a list of objects and supports random access to its objects via a numeric index position. Thus, it should contain an array of Object...

Hi, I'm reading HeadFirst Java and in chapter 6 there is a battleship program it walks you through. In doing so it introduces the java class ArrayList. I'm trying to use one and load it with 3 objects but keep getting an <identifier> expected error...