Reversing and Rotating Strings in Java – Techniques, Performance, and Use Cases
Learn efficient ways to reverse and rotate strings in Java. Covers StringBuilder, substring, real-world applications, and best practices with examples
All Tutorials
Demystifying Functional Purity in Java
Understand the principles of functional purity in Java and how it impacts readability, testability, and concurrency in modern application design
Case Conversion and Character Manipulation in Java – Safe, Efficient, and Unicode-Aware
Learn how to convert cases and manipulate characters in Java Strings. Covers Unicode, performance tips, and best practices with code examples
Extracting and Replacing Substrings in Java – Complete Guide with Examples
Learn how to extract and replace substrings in Java using `substring()`, `replace()`, and `replaceAll()`. Covers regex, edge cases, and best practices.
Handling Null and Empty Strings in Java – Defensive Programming Techniques and Best Practices
Learn how to handle null and empty strings safely in Java using best practices, Java 11’s isBlank, Apache StringUtils, Optional, and more
Comparing Performance of String Operations in Java – Benchmarks and Best Practices
Compare the performance of string operations in Java including StringBuilder, format, join, and more. Learn when to use what with benchmarks and examples.
Building Custom Utility Functions for String Operations in Java – Patterns, Performance, and Clean Code
Learn how to build clean, reusable string utility functions in Java. Covers isBlank, toTitleCase, repeat, reverse, performance tips, and best practices
Using Scanner and Regex to Parse String Input in Java – Robust, Flexible, and Efficient Techniques
Learn how to use Scanner and Regex in Java to parse string input efficiently. Covers tokens, delimiters, capture groups, edge cases, and best practices.
Pattern Matching for instanceof with Strings in Java 16 – Simplified Type Checks
Master pattern matching for instanceof with Strings in Java 16. Learn syntax, examples, use cases, and best practices for cleaner type checks
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