Java Algorithms - Interview Prep

A library of popular algorithms for technical interviews.

Algorithms

1. Arrays

   1. Longest Peak
   2. Monotonic Array
   3. Search in Sorted Matrix
   4. Three Number Sum
   5. Array of Products
   6. Spiral Traverse
   7. First Duplicate Value
   8. Smallest Difference
   9. Move Element To End

2. String

   1. Longest Palindrome Substring

3. Graphs

   1. Number of Islands

4. Maps

   1. First Non Repeating Character
   2. Group Anagrams
   3. Ransom Note

5. Recursion

   1. Fibonacci Sequence

Usage and Limitations

Each algorithm contains a corresponding test class that demonstrates algorithmic sufficiency.