Tag: instance

How do I print out the instance variable x from my Main class using a ‘Second’ class? [closed]

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 1 year ago. Improve this question

Java Problem: Calculations in one subclass’ constructor affecting fields of another subclass’ instance

constructor instance java object subclass

I have two abstract classes i.e. Medicine and Prescription. All code can be found at https://codeshare.io/aVAdr3 These two classes have subclasses, the class hierarchy diagram is as follows: and… …

Java Map for unique object instances?

hashmap instance java reference

A library I use contains a certain object type, LackingObject (some type), which lacks an attribute of type Ext (some type). If I was able to change the LackingObject class, I would simply add an attribute with type Ext, but LackingObject cannot be changed, nor extended. What I’d do now in languages like C or C++ is to create a