Tutorials under 'Java 8 Streams'

Using Guava, Apache Commons, and Other Libraries for Enhanced Collections

Explore how Guava, Apache Commons, and third-party libraries improve Java Collections with features like multi-maps, bidirectional maps, and more.

GuavaEnhanced CollectionsBidirectional MapJava 21Open Source JavaThird Party LibrariesJava 8 StreamsApache CommonsImmutable CollectionsMapUtilsJava Best PracticesMultimapFunctional ProgrammingJava CollectionsJava Performance

Designing Read-Only and Unmodifiable Collections in Java – Best Practices and Examples

Learn how to design and use read-only and unmodifiable collections in Java for immutability, thread safety, and clean architecture. Includes code examples and pitfalls

Read Only CollectionsJava 21Unmodifiable ListCollection WrappersJava 8 StreamsJava ImmutabilityJava CollectionsImmutable MapDefensive Copying

How to Build a Custom HashMap or HashSet in Java – Internals, Code, and Best Practices

Learn how to build a custom HashMap or HashSet from scratch in Java. Understand internal hashing, performance, and use cases with full code examples

Java 21Map Vs SetJava Memory ModelHashSet InternalsCustom HashMapJava 8 StreamsJava CollectionsHashing In JavaJava PerformanceJava Design

Creating Custom Iterable and Iterator in Java – Complete Guide with Examples

Learn how to create your own Iterable and Iterator in Java with full code examples, internal workings, and best practices. Ideal for mastering Java collections.

Java 21List Vs SetJava InterfacesIterableIteratorJava 8 StreamsJava CollectionsCustom CollectionJava DesignIterable Implementation

How Java 8 Changed Collections – Streams, Lambdas, and Functional APIs Explained

Explore how Java 8 revolutionized the Collections Framework with Streams, Lambdas, Collectors, and more. Boost performance and readability with modern Java.

List Vs SetJava 21Java Functional ProgrammingLambdas In JavaJava 8 StreamsFunctional InterfacesJava CollectionsJava CollectorsMap Streams

IdentityHashMap vs WeakHashMap in Java – Identity vs Equality Explained

Learn the difference between IdentityHashMap and WeakHashMap in Java, with internal working, use cases, memory model, and expert-level best practices

HashMap InternalsJava 21IdentityHashMapJava 8 StreamsJava CollectionsJava MapWeak ReferencesJava InternalsJava Memory ManagementWeakHashMap

Synchronized Collections vs Concurrent Collections in Java – Which One to Use for Thread Safety and Performance?

Understand the differences between synchronized and concurrent collections in Java, with real-world examples, performance benchmarks, and best practices

Collections FrameworkSynchronized CollectionsThread SafetyJava SynchronizationJava 8 StreamsJava CollectionsConcurrentHashMapJava ConcurrencyJava PerformanceCopyOnWriteArrayList

BlockingQueue and LinkedBlockingQueue in Java – Producer-Consumer Made Easy for High-Concurrency Applications

Learn how BlockingQueue and LinkedBlockingQueue enable robust producer-consumer patterns in Java with real-world examples and concurrency best practices

BlockingQueueProducer ConsumerJava ThreadsJava 8 StreamsLinkedBlockingQueueConcurrent CollectionsJava 21 EnhancementsThread Safe QueuesExecutorServiceJava CollectionsJava ConcurrencyJava PerformanceMultithreading Java

ConcurrentHashMap in Java – Segmentation to Bucket Locking Explained

Understand ConcurrentHashMap internals in Java – from segmented locking in Java 7 to bucket locking in Java 8+, with performance benchmarks and real use cases

Segmented LockingBucket Level LockingJava PerformanceThread Safe MapsJava 8 StreamsJava 21 UpdatesJava ConcurrencyJava CollectionsConcurrentHashMap

CopyOnWriteArrayList and CopyOnWriteArraySet in Java – Internal Working, Performance, and Use Cases

Master CopyOnWriteArrayList and CopyOnWriteArraySet in Java with internals, Big-O performance, use cases, Java 8+ features, and best practices

List Vs SetPerformance TuningJava 21 FeaturesJava 8 StreamsJava ConcurrencyJava CollectionsCopyOnWriteArraySetCopyOnWriteArrayListThread Safe Collections

Concurrent Collections in Java – Thread-Safe Alternatives

Learn all about Java's concurrent collections, their thread-safe implementations, performance benchmarks, and best practices for multithreaded apps

Java Best PracticesCollections FrameworkThread SafetyJava 21 FeaturesJava 8 StreamsJava CollectionsConcurrentHashMapJava MultithreadingJava PerformanceCopyOnWriteArrayList

How Hashing Works in HashMap – Step-by-Step Explanation with Diagrams and Code

Learn how hashing works in Java’s HashMap with step-by-step explanation, diagrams, memory model, performance details, and Java 8+ enhancements

HashMap InternalsCollision ResolutionHashMap ResizingRed Black TreesJava 8 StreamsJava Memory ModelJava CollectionsHashCode And EqualsJava 21 CollectionsJava Hashing

Fail-Fast vs Fail-Safe Iterators in Java – A Deep Dive into Concurrent Modification Handling

Understand Fail-Fast vs Fail-Safe iterators in Java. Learn internal mechanisms, real-world use cases, Java 8+ enhancements, and best practices for safe iteration

ConcurrentModificationExceptionJava ConcurrentHashMapJava IteratorsFail Safe IteratorJava 8 StreamsJava 21 UpdatesJava CollectionsIterator Vs EnumerationJava ConcurrencyFail Fast Iterator

Java Collection Internals – Deep Dive into Memory, Resizing, and Performance Optimization

Dive deep into Java Collection internals—learn how memory, resizing, and performance affect List, Set, and Map structures with Java 8–21 optimizations

HashMap InternalsBig O In JavaJava 21 CollectionsArrayList ResizingJava PerformanceCollections ResizingJava 8 StreamsJava Memory ModelJava GC TuningJava Collections

Hashtable and Properties in Java – Understanding Legacy Map Implementations for Compatibility and Configuration

Dive into Java’s legacy Map implementations – Hashtable and Properties. Learn their internals, usage, differences, and best practices for modern Java development

Map Interface JavaHashMap Vs HashtableHashtable JavaThread Safe MapsJava 8 StreamsJava CollectionsJava ConfigurationProperties JavaLegacy MapJava 21 Improvements

TreeMap in Java – SortedMap and Red-Black Tree Explained for High-Performance Sorted Collections

Learn TreeMap in Java – how it maintains sorted order using Red-Black Tree, its API, performance, Java 8+ features, and best practices for real-world use.

TreeMap JavaNavigableMapRed Black TreeHashMap Vs TreeMapTreeMap InternalsSortedMapJava 8 StreamsJava CollectionsJava MapJava 21 Improvements

HashMap in Java – Internal Working and Hashing Explained

Master Java’s HashMap – Learn internal working, hashing, performance, memory model, and modern best practices for high-performance Java development.

HashMap InternalsJava 21 CollectionsJava Data StructuresJava 8 StreamsJava CollectionsJava MapHashMap PerformanceJava HashingEquals And HashCodeTreeMap Vs HashMap

LinkedList as Queue and Deque – Dual Use Case in Java

Understand how Java's LinkedList implements both Queue and Deque interfaces. Explore syntax, internals, use cases, and performance

Collection FrameworkJava QueueLIFOData StructuresJava 8 StreamsJava DequeJava ListJava CollectionsFIFOJava PerformanceLinkedList

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

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