Saving/Loading Arrays to file?

My inventory based on Array : inventory[i][k]. How can i save this array to file? In array i have:

 public class InventoryItem
 {
 var worldObject: GameObject;
 var itemIcon: Texture;
 var itemName : String;
 var itemDescription : String;
 var Stack : int;
 var MaxStack : int;
 }

I need it to save game. Thank you guys!