All Questions
8 questions
0
votes
2
answers
890
views
Object Oriented Design for chess
Recently I came across some article on Chess OOPS design.Following is some snippet from it:
public class Chess {
ChessBoard chessBoard;
Player[] player;
Player currentPlayer;
List<...
- 321
0
votes
1
answer
535
views
How to design inheritance from abstract class which is not initiated but seemingly must be initiated?
I need to design a program in Java which calculates arithmetic expressions (only addition or subtraction).
Requirements:
1) abstract class Expression which contains abstract method calculate()...
- 167
3
votes
1
answer
522
views
Best design for classes that draw objects but do not inherit from JPanel
I'm doing the exercise 10.1, page 476 from the book Java: How To Program, Early Objects by Paul and Harvey Deitel (10th Edition).
Modify the MyLine, MyOval and MyRectangle classes of GUI to create ...
- 167
4
votes
1
answer
5k
views
Designing generic type inheritance hierarchy
I have now put another rephrased version of original question as requested by the user in the comments with class names mimicking real world scenario of postal office (though I dont know how real ...
- 301
6
votes
1
answer
2k
views
Access methods from two interfaces's implementation in a Class
I am trying to implement the following pattern in a Cache layer.
I'm splitting the implementation of possible Cache methods such as getUsers() in UserCache Class, getLikes() in PostsCache class.
But ...
- 199
3
votes
2
answers
716
views
Correct way to extend a hierarchy tree
I have the following tree currently to be implemented in Java.
My problems are the following:
How can I go about addressing the fact Admin needs to have all tier 4
logic from both branches of the ...
- 207
1
vote
1
answer
93
views
Object passed to super() referenced by subclass - Any Violations?
This is the code in question, comments point it out:
class Actor extends Entity {
private MutableVector2f position;
private MutableIdentity identity;
public Actor(MutableVector2f ...
- 953
1
vote
1
answer
224
views
Pattern to share fields in inheritance
I'm trying to figure out the best way to solve a design issue. I have to be able to clone (I'm cloning them to Apache HttpClient) different types of HttpServletRequest (POST, GET...) and then send ...
- 113