All Questions
31 questions
1
vote
2
answers
147
views
How can I optimize this Binary Search Tree?
I've added some methods to a basic BST implementation for integers - if anyone can point out some ways that this could be written in a more efficient or clean manner, please let me know.
...
3
votes
1
answer
81
views
Data-type implementation for multiple dynamic histograms
This is almost exercise 3.2.14. from the book Computer Science An Interdisciplinary Approach by Sedgewick & Wayne (since I am self-studying, I changed it a little bit):
Develop a version of ...
- 1,363
4
votes
1
answer
731
views
java : jumping caterpillar program
Looking for code review, suggestions for improvement, best practices etc.
Given N leaves numbered from 1 to N . A caterpillar at leaf 1, jumps from leaf to leaf in multiples of Aj (Aj, 2Aj, 3Aj).
...
- 85
1
vote
2
answers
89
views
Class for User-defined Binary data type
I have written a program for a user-defined binary data type in JAVA. It has
static methods for purposeful usage
methods for binary arithmetic
methods for bitwise operations
It's working as intended,...
- 134
0
votes
2
answers
144
views
ContactsList implementation in Java
I created a ContactsList class in Java that holds Person objects. I consider this is a side project for my GitHub profile. Any ...
- 145
2
votes
2
answers
4k
views
Designing a book library
Description:
Design a book library which maintains the book inventory.
The library should allow an user to favorite/un-favorite
book. The library should allow an user to rent a book for
a given ...
- 5,137
4
votes
3
answers
589
views
Counting votes for candidates in a category and region
With the following code, I want to count the Vote objects from a collection, filtering on one of their fields, Candidate.
I have the feeling that I can get this done much more efficiently.
...
- 83
4
votes
2
answers
2k
views
Directory JTree Performance
The purpose of this short program is to:
Detect all accessible local drives and USB drives
List all the accessible directories for each drive which do not require administrator privileges or are ...
- 385
0
votes
1
answer
61
views
Building object from unusually custom object
Say we have this method which is my main concern for this question. It's really not optimal way to get values out of it. Each time I'm running through list twice for to just get one field value for <...
- 141
3
votes
1
answer
84
views
Notifying players about certain events
This class looks ugly as hell to me. I feel like there is a better way but can't really think for a good one. Too many instanceofs and else ifs. What OOP practices or design patterns would you suggest ...
- 141
2
votes
1
answer
610
views
Jesse and Cookies
Jesse loves cookies. He wants the sweetness of all his cookies to be greater than value K. To do this, Jesse repeatedly mixes two cookies with the least sweetness. ...
- 5,137
1
vote
1
answer
122
views
Finding pair in an array with the OO approach
Description:
I am trying to solve algorithmic problems mixing them with Object oriented design as part of my interview preparation. So, the question is given an array of integers find the pair of ...
- 5,137
4
votes
1
answer
271
views
A simple MP3 file arranger
I am creating a simple Mp3 Files Arranger the Project is on Github
Questions:
How can I optimize this app?
Am I violating any OOP principle?
Is it readable?
How can I make it better?
GUI.java
...
- 291
5
votes
2
answers
6k
views
Mars Rover Simulator
Problem Statement
Consider a rover and a plateau of size nxn. The rover takes three type of instructions L,R and M. 'L' and 'R' rotate the rover in the left and right direction. 'M' moves the ...
- 387
2
votes
1
answer
881
views
Raindrops in Java
Problem Statement:
Write a program that converts a number to a string, the contents of
which depends on the number's prime factors.
If the number contains 3 as a prime factor, output '...
- 5,137