☕ Java 8 Features & Examples
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- → map() vs flatMap()
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🧠 Java Memory Management
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- → Java 26 - Upcoming Features Preview
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- → Performance Tuning: Memory Leaks, CPU, DB N+1
- → Types Of Garbage Collectors In Java
- → Java 8 Lambda Streams Coding Examples
- → How TreeMap Works Internally?
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- → How LinkedHashMap Works After Java 8?
- → Java HashMap Programs And Examples
- → How ConcurrentHashMap Works After Java 8?
- → HashMap Interview Questions And Answers
- → How HashMap Works After Java 8?
Coding Interview Questions (compiled from 100+ companies)
📝 String Coding Questions
📊 Array Coding Questions
🔗 LinkedList Coding Questions
- → Traversing a LinkedList
- → Reverse a LinkedList
- → Detect Cycle (Floyd's Algorithm)
- → Linked List Cycle II
- → Merge Two Sorted Lists
- → Insert at Begin, Position, Last
- → Check if LinkedList is Palindrome
- → Convert Array to LinkedList
- → Check if Two LinkedLists are Identical
- → Delete Nth Node from End
- → Find Kth Node from Start
- → Find Kth Node from End
- → Convert LinkedList to Array
- → Circular LinkedList
- → Add Two LinkedLists
- → Multiply Two Numbers as Lists
- → Swap Nodes in Pairs
- → Split LinkedList into Two Halves
🔙 Backtracking Coding Questions
🖼️ Sliding Window Questions
📚 Stack & Queue Questions
🌳 Tree Coding Questions
🕸️ Graph Coding Questions
📬 Message Queues Interview
🏗️ System Design Interview
🌍 Real World System Design Case Scenarios
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