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#Hashtable

Browse articles tagged with #Hashtable

  • DSA Patterns

    Detecting Cycles in Linked Lists and Graphs

    Comprehensive guide to cycle detection algorithms including Floyd's Tortoise and Hare, DFS-based approaches, and practical implementation strategies for FAANG interviews.

    • CategoryDSA Patterns
    • UpdatedOctober 22, 2025
    • Reading time18 min read
  • DSA Patterns

    Constant-time lookup patterns in Java

    Master constant-time lookup techniques using hash tables, binary search, and indexing strategies for optimal performance in production systems.

    • CategoryDSA Patterns
    • UpdatedJuly 9, 2025
    • Reading time17 min read
  • DSA Problems

    Happy Number Algorithm Solution

    Complete Java implementation for determining happy numbers with optimal time and space complexity analysis.

    • CategoryDSA Problems
    • UpdatedJune 12, 2025
    • Reading time16 min read

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