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#Hash Table

Browse articles tagged with #Hash Table

  • DSA Problems

    First Unique Character in a String Algorithm

    Find the first non-repeating character in a string and return its index, with optimal time and space complexity solutions.

    • CategoryDSA Problems
    • UpdatedJuly 3, 2025
    • Reading time15 min read
  • DSA Patterns

    Group Anagrams Problem Solution | LeetCode 49

    Complete Java solution for grouping anagrams with optimal time and space complexity analysis for FAANG interviews.

    • CategoryDSA Patterns
    • UpdatedMay 28, 2025
    • Reading time17 min read
  • DSA Problems

    Group Anagrams Problem Solution

    Complete Java implementation for grouping anagrams from a string array, including optimal approach and time/space complexity analysis.

    • CategoryDSA Problems
    • UpdatedApril 17, 2025
    • Reading time16 min read
  • DSA Problems

    Valid Anagram Problem Solution

    Complete Java implementation for checking if two strings are anagrams, covering multiple approaches with time and space complexity analysis.

    • CategoryDSA Problems
    • UpdatedMarch 20, 2025
    • Reading time15 min read

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