Java issues

feat: Add `Abbreviation` new algorithm with Junit tests

1

- [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized it. - [x] All filenames are in PascalCase. -...

Hardvan

Implement Unique Quadruplets Finder (Four Sum Problem)

1

- Added a new class `UniqueQuadruplets` to solve the Four Sum problem, which finds all unique quadruplets in an array that sum up to a specified target value. - Implemented...

akarsh-Manodee

Add chinese remainder

2

- [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized it. - [x] All filenames are in PascalCase. -...

volimroze

Improvement: Removed main function and increased usability of `PalindromePrime` utility class

1

- [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized it. - [x] All filenames are in PascalCase. -...

Tanmay-Singh3004

Added edmonds algorithm

1

- [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized it. - [x] All filenames are in PascalCase. -...

volimroze

Improvement: Removed main function from GCD class . Corrected and improved docstring.

1

- [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized it. - [x] All filenames are in PascalCase. -...

Tanmay-Singh3004

added graph algorithm

3

- [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request is all my own work -- I have not plagiarized it. - [x] All filenames are in PascalCase. -...

vickygit-commits