Understanding String Creation and Memory Management in Java
Learn how Java handles string creation, memory allocation, and performance optimizations with String Pool, StringBuilder, and key Java version features
Tutorials under 'Java Performance'
Understanding String Immutability in Java: Why It Matters and How It Works
Explore the concept of string immutability in Java — its performance benefits, memory implications, real-world usage, and best practices with examples
String Comparison in Java: equals() vs == vs compareTo() Explained
Learn the differences between equals(), ==, and compareTo() for comparing strings in Java with examples, performance tips, and best practices
String Concatenation in Java: + Operator vs concat() vs StringBuilder
Learn the pros and cons of different string concatenation techniques in Java — + operator, concat(), and StringBuilder — with code, performance tips, and best practices.
Mutable Alternatives to String in Java: StringBuilder vs StringBuffer
Explore mutable alternatives to Java String — StringBuilder vs StringBuffer — with performance insights, real-world use cases, and best practices
Mastering Java String Methods: Commonly Used Operations with Examples
Learn the most commonly used string methods in Java including substring, length, split, replace, equals, and more with examples and performance tips
Splitting Strings in Java: Mastering split() and StringTokenizer
Master how to split strings in Java using split() and StringTokenizer with examples, differences, edge cases, and best practices for real-world applications
Converting Between char[], StringBuilder, and String in Java – Best Practices and Conversions
Master converting between char arrays, StringBuilder, and String in Java. Learn syntax, performance tips, and real-world use cases
Mastering String Templates in Java 21 – A Complete Guide to the New Preview Feature
Explore Java 21's powerful String Templates preview feature. Learn syntax, real-world use cases, and best practices for clean, efficient string formatting
Advanced String Parsing Techniques with Regular Expressions in Java
Master advanced string parsing in Java using regular expressions. Learn powerful regex techniques, edge cases, and best practices for clean code
How to Choose the Right Collection in Java (Cheat Sheet)
A developer's cheat sheet for choosing the right collection in Java. Covers List, Set, Map, performance, syntax, use cases, and Java version tips.
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
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
Processes vs Threads in Java: Key Differences, Use Cases, and Performance Insights
Learn the difference between processes and threads in Java, with real-world examples, concurrency tips, and performance optimization strategies
Mastering Java Lambda Expressions: A Comprehensive Beginner-to-Advanced Guide
Learn Java Lambda Expressions with real-world examples, syntax, functional interfaces, performance tips, and best practices from Java 8 to Java 21.
Mastering Lambdas and Recursion in Java: Techniques, Pitfalls, and Best Practices
Learn how to master Java lambdas and recursion with practical techniques, performance insights, and real-world examples. Ideal for Java 8–21 developers.
Avoiding Memory Leaks with Lambdas and Closures in Java
Discover how to prevent memory leaks when using lambdas and closures in Java. Learn the best practices, pitfalls, and JVM behavior to write safe functional code.