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Added three more approaches in anagram.java

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First approach (5): Here, I have used a HashMap and once the element is found in s frequency have increased by 1 and when found in frequency have decreased by...

Anshumanshukla46

Bug in the com/thealgorithms/datastructures/heaps/MinPriorityQueue.java

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heapsort() method gives an error when size < capacity. I want to fix this algorithm.

yuhsin7676

fix mistake in the heapsort() method and add MaxPriorityQueue.java

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### **Describe your change:** Fixes https://github.com/TheAlgorithms/Java/issues/3515 - Fix a bug in the algorithm heapsort() in the MinPriorityQueue.java of com.thealgorithms.datastructures.heaps package. heapsort() method gave an error when size < capacity. Also...

yuhsin7676

An example can be found [here](https://github.com/TheAlgorithms/Go/pull/581#pullrequestreview-1152223321)

siriak

Hamiltonian Cycle

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### **Describe your change:** - [x] Add an algorithm? - [ ] Fix a bug or typo in an existing algorithm? - [x] Documentation change? #### References ### **Checklist:** -...

Mysterious786

sudoku test

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### **Describe your change:** - [x] Add an algorithm? - [ ] Fix a bug or typo in an existing algorithm? - [ ] Documentation change? #### References ### **Checklist:**...

hoangtrungnguyen

Added algorithm for implementation of a stack using 2 queues

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### **Describe your change:** - Implementation of a stack data structure using 2 queues . #### References ### **Checklist:** - [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Java/blob/master/CONTRIBUTING.md). - [x] This pull request...

DawnArchi01

### **Describe your change:** - [ ] Add an algorithm? - [ ] Fix a bug or typo in an existing algorithm? - [ ] Documentation change? #### References ###...

Tuong328

### **Describe your change:** - Equal Sum Partition #### References ### **Checklist:** - [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...

DawnArchi01

- Fix one bug; sorting doesn't work for empty array. - Add test cases for Radix_sort. - [x] This pull request is all my own work -- I have not...

Teuton-Roy