Thread: 3d list array

Hello.

I have some problem in understanding how to use a 3 dimensional ArrayList.

Heres hows it looks so far.

I dont understand how to retrive values from the list.
Tried all sorts of code like get_material to retrive string value.
But maybe I got it wrong in the initialising?

gui class....
		ArrayList<material> material_List = new ArrayList<material>();
		material_List.add(new material(0, "Silver", 427));
		material_List.add(new material(1, "Copper", 398));
		material_List.add(new material(2, "Gold", 315));
....
 
public class material {
 
	private static String material;
 
	public material(int id, String material, double materialValue){
 
	}
 
	public static material create(int Id, String material, double materialValue){
		return new material(Id, material, materialValue);
	}
 
	public String get_material(){
		return material;
	}
 
}

If u can help, thanks.
-sorry for my bad spelling English.

The class 'material' should begin with a capital letter, as in Material.

The ArrayList you've built is 1-dimensional rather than 3, and the single dimension is filled with Material objects.

Since each element in the arraylist is a Material object, Material methods could be used to obtain details about those objects/elements. For example, from the code you posted above, to get the metal from the first element, the code would look something like:

material_List.get( 0 ).getMetal();

Assuming there was a method Material.getMetal() that returns the metal type of the object.