Tutorials under 'Java Data Structures'

ArrayList in Java – Internals, Performance, and Best Practices

Learn how Java ArrayList works under the hood, explore its performance characteristics, best practices, and common pitfalls with code examples

Java 21Java GenericsJava TutorialJava Data StructuresJava List InterfaceJava 8Java Best PracticesJava Code OptimizationList Vs SetJava CollectionsJava PerformanceJava InternalsJava Interview PrepArrayList Java

PriorityQueue in Java – Min-Heap Implementation Explained

Learn how PriorityQueue works in Java with min-heap internals, performance, use cases, and Java 8–21 functional examples and comparisons

Java 21Java QueueComparable ComparatorJava Data StructuresJava 8 StreamsJava CollectionsJava InterviewPriorityQueueMin HeapJava Performance

Deque and ArrayDeque in Java – Stack + Queue in One

Master Deque and ArrayDeque in Java. Learn internal workings, real-world use cases, code examples, performance tips, and Java version updates

Java Interview QuestionsJava Deque ExampleJava Data StructuresJava Stack Vs QueueJava 8 StreamsJava CollectionsJava PerformanceDeque Vs QueueArrayDeque Vs LinkedListJava ArrayDeque Internals