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Tutorials under 'Functional Java'

linkedlist-in-java

LinkedList in Java – How It Works and When to Use It

Understand LinkedList in Java with internal working, performance benchmarks, best practices, real-world use cases, and differences with ArrayList.

Java Best Practices Collection Framework List Vs Set Java 21 LinkedList Internals ArrayList Vs LinkedList Functional Java Java 8 Streams Java Collections Java Interview Java Performance

vector-and-stack-in-java

Vector and Stack in Java – Legacy Classes Demystified

Explore the legacy Vector and Stack classes in Java. Learn how they work, when to use them, and their modern alternatives in Java 8–21.

Java Best Practices Collection Framework Java Legacy Classes Functional Java Vector Vs ArrayList Java 8 Streams Java Collections Java Interview Stack Vs Deque Java Performance

arraylist-vs-linkedlist-vs-vector

ArrayList vs LinkedList vs Vector – Which is Best?

Compare ArrayList, LinkedList, and Vector in Java. Learn their internals, performance, and use cases to choose the best list for your project.

Java Best Practices Collection Framework Thread Safety ArrayList Vs LinkedList Functional Java Vector Vs ArrayList Java 8 Streams Java Collections Java 21 Collections Java List Performance

java-set-interface

Java Set Interface – Core Concepts and Use Cases

Master the Java Set interface with internal workings, performance analysis, use cases, and functional programming examples from Java 8 to Java 21

LinkedHashSet Java Set HashMap Internals List Vs Set Java 21 TreeSet Functional Java Java 8 Streams Java Collections Java Performance HashSet

hashset-in-java

HashSet in Java – How It Works Internally

Understand how HashSet works internally in Java with HashMap, performance insights, code examples, and best practices for real-world development

HashMap Internals Java Set Collection Framework Java 21 Equals And HashCode Functional Java Java 8 Streams Java Collections Java Performance HashSet

linkedhashset-in-java

LinkedHashSet in Java – Preserving Insertion Order

Learn how LinkedHashSet in Java preserves insertion order, how it works internally, and how to use it effectively in modern Java applications

LinkedHashSet Java Set Collection Framework HashMap Internals Java 21 List Vs Set Functional Java Java 8 Streams Java Collections Java Performance