All Questions
11 questions
2votes
2answers
315views
Console dice game
I wrote a simple dice game with the purpose to practice arrays and classes. I would like some critique on my code structure and quality - as well as thoughts on my thoughts to improve it. Here's the ...
0votes
2answers
144views
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 ...
4votes
2answers
155views
Minimum difference between numbers in a file
I'm learning Java and I created a simple solution for the following problem: Given a file [filename].txt such that each line has the format ...
1vote
1answer
107views
Correct modularization and array usage
I am trying to brush up on Java after not programming for a few years. The idea behind this code is simply to get used to object oriented programming, modularization techniques, and basic arrays. Any ...
0votes
3answers
1kviews
Divisions using Arraylists
Exercise: Using Arraylists create a program that makes divisions between two very large numbers (numbers greater than 10 digits). I did it (the code works), but could my code be improved? ...
0votes
2answers
184views
Verifying if two numbers are equal using ArrayLists
I have some question about the code below. It works correctly, but: Is there a better/another way to solve the exercise (as an expert would have done:) or mine it's perfectly done? Also, I don't see ...
1vote
1answer
973views
Method that remove duplicates from a list of words in Java [closed]
Today, I took a coding challenge with this question: Given a List of Strings, write a method removeDuplicates that removes duplicate words from the List and returns an ArrayList of all the unique ...
1vote
1answer
122views
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 ...
7votes
3answers
6kviews
Let's play Rock, Paper, Scissors
I have written my first rock, paper, scissors project recently. I had to use a lot of if statements and System.out.println(); commands in the program. I am wondering what ways I could optimize my ...
-2votes
1answer
2kviews
Implementing Arrays in Java Class
I have the following code to write: Modify the Student class so that instead of 3 tests you will now have an array of 100 tests. However, not all of the scores may be set. You need to add an ...
3votes
3answers
4kviews
Clear ArrayList
I create class level static ArrayList by the following line. static ArrayList<Student> studentList = null; Then I create and fill ArrayList with some ...