All Questions
10 questions
4
votes
2
answers
530
views
Simple Java program to aggregate lines of a text file
I have just written a small application to aggregate the lines of a text file, for example to group the lines according to the frequency of IP addresses in a log file.
Would the code be sufficiently ...
- 784
2
votes
2
answers
197
views
Parking places design
I got a question:
Design a parking system. There are 3 types of parking spaces: big, medium and small.
Implement ParkingSystem class(int big, int medium, int small)....
- 145
2
votes
0
answers
185
views
Design a parking lot [closed]
I have tried to design the parking lot problem. Here is the problem statement.
Design a parking lot with multiple floors where customers can park
their cars. Each parking floor will have many parking ...
- 21
2
votes
0
answers
69
views
Generic Graph Traverser
I have built this Generic Graph traverser, I have this implemented with DFS, I feel it will work equally fine with BFS too.
What do you think of this implementation?
I want help in reviewing the <...
- 121
3
votes
1
answer
464
views
How to design shopping cart Java application which satisfy modular, extensible and maintainable
I am new in Application Design. I have use-case as below
As per the above story I have implemented code as below without any Modularity, Extensible and Maintainable. Could someone share the thoughts ...
- 133
4
votes
1
answer
6k
views
Basic Internet banking application
I programmed in Java before, but I feel that I lack the "true way" of programming (OOP concepts, design, algorithm), so I started to learn all of these but I need your opinions and suggestions so I ...
2
votes
0
answers
250
views
Using the Template Design Pattern to reduce code duplication between two algorithms
I have made a Skyline query solver which for now can solve the query with two different algorithms.
The first is Block-nested loop (BNL) and the second is Sort filter skyline (SFS). The two are ...
- 1,329
6
votes
5
answers
865
views
DP solution to min triangle path
I am studying for interviews for various companies. I wrote a solution to this problem, but if an experience programmer looks at it I am sure there are certain areas the code can be made in to a more ...
4
votes
2
answers
2k
views
Move object by one up or down algorithm in a custom order
Basically, I did an object (using hibernate) with a field called sorting_order. This field needs to be unique and I wish to swap two object by one. So one element has to be after or before the current ...
- 251
0
votes
1
answer
175
views
Redesign a module to be generic
I am having trouble designing a module, can anybody help me?
Because it will be hard to maintain this kind of module, I also think that this can test my skill of design pattern usage.
Requirement
This ...
- 675