Add Algorithms in Java | As many as you can!

[hellonish]

[Kanishq10]

Assign me this issue I have some java data structures and algorithms

[hellonish]

Hey @Kanishq10! You can start working on it! 🔥

[RitwikGanguly]

Assign me this issue, I have lot of Java data structures and algorithms problems

[Prathyusha20a]

Assign me this issue, I will add some Java data structures and algorithms

[arshnirmal]

Hey, I have some experience in Java and Competitive Programming. Looking to help!

[MauryaD]

Hi @nishant-ai ,
could you please assign the issue to me. I could share some techniques/algorithms which can help people in CP.
Would be happy to share my knowledge with the help of your repo.

Cheers!

[MauryaD]

Added PR #154
Array & Matrices solutions. Please review and merge.