Rewrote javadoc

src/main/java/no/ntnu/idatt1002/demo/data/Economics/IncomeRegister.java

@@ -27,6 +27,7 @@ public class IncomeRegister extends ItemRegister<Income>{
     /**
      * Method for getting every Income
      * in a given IncomeCategory.
+     *
      * @param category the IncomeCategory you want to get every Income of.
      * @return a List of every Income with category.
      */

src/main/java/no/ntnu/idatt1002/demo/data/Economics/ItemRegister.java

@@ -30,6 +30,7 @@ public abstract class ItemRegister<T extends Item>{
 
     /**
      * Get a List of every item.
+     *
      * @return item List.
      */
     public List<T> getItems() {