All Questions
637 questions
4votes
4answers
506views
Finding Special Parts in a Word
Task description: Imagine you have a long word made up of small letters like "a", "b", "c", ancd so on. Let’s call this word a puzzle word. We want to look at all the ...
- 374
4votes
2answers
310views
A View over java.lang.String - improved take II
(This post elaborates on A string view over a Java String.) This time, I have incorporated both the great answers in the previous iteration: https://codereview.stackexchange.com/a/293506/58360 by ...
- 30.2k
5votes
2answers
553views
A View over java.lang.String
(This post has continuation at A string view over a Java String - improved take II.) This time, I have a simple string view class for faster operation on substrings in actual string objects: ...
- 30.2k
3votes
1answer
177views
Snail matrix in Java - version III (generalizing)
Once again, in the previous version, Alexander Ivanchenko helped me with his awesome answer. Now, I have improved the toString() and, also, generalized the class ...
- 30.2k
4votes
2answers
128views
(Another) text formatting method with word wrapping in Java
Please take a look at my code for (simply) formatting/wrapping a text. Is there something to improve? Here are the properties the method should have: (updated) Every space character (i.e. ...
4votes
3answers
166views
Redouble each occurrence of char recursively, and add n
In following of this question, I would like to have a second review. The exercise is to write a recursive method that takes a String and a ...
4votes
1answer
276views
Print columns of text without hard coding the width (attempt 2)
If you'd like to print this: One Two Three Four 1 2 3 4 using this: ...
3votes
1answer
126views
Print columns of text without hard coding the width
If you'd like to print this: One Two Three Four 1 2 3 4 using this: ...
-2votes
1answer
402views
Number Plate Generation Program
I wrote a number plate generation program. The program generates number plates for a car registered with a specific Memory Tag and on a specific date. Number plates use the following format: (2 letter ...
- 21
1vote
3answers
87views
FileIO lines to String Converter
I think I made a good FileIO object because I can simply copy-paste whenever I need, however I wonder How I can improve my code. This code takes file path of the target file and turns every line to ...
- 13
2votes
1answer
190views
An evolutionary algorithm written in Java to crack an XOR cipher
Alright. So TryHackme is a website that tries to teach hacking with hands on labs. They have a room called JVM Reverse Engineering where the user gets to reverse engineer Java apps, and in particular ...
- 173
4votes
2answers
1kviews
Add a number to a file name if does not exist or increase the number if it exist
I'm currently working on a solution to add a number to a file name if the number does not exist or increase de number by one if the number exist. For instance if you input "filename.jpeg" ...
- 41
4votes
6answers
1kviews
Reverse string with identical spaces as in original String using Java
This is interview question Reverse string with identical spaces as in original String using Java For example Original String : best in the world and is greatest and is making sure the world goes well ...
3votes
5answers
565views
Frame Strings that contain newlines
I have an application where I need to highlight some information that is printed to the console, so I wrote some static library methods which do that. I tested for bugs. Is my code clean and ...
- 2,164
2votes
1answer
132views
Related to DSA: Find longest common prefix
The objective of below code is find longest common prefix from trie DataStructure which is written in Java. Code: ...
- 23
