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
All Tutorials
Curated Java + Spring Boot tutorials with real-world backend patterns and clean examples.
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
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
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.
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
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.
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
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.
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
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
Indentation and Escape Translation in Java Text Blocks (Java 15+)
Learn how Java 15+ Text Blocks handle indentation and escape sequences. Master formatting rules for clean, readable multiline strings with real examples.
Working with Multiline Strings in Java using Text Blocks (Java 13+)
Learn how to use Java's Text Blocks (Java 13+) for clean, readable multiline strings. Covers syntax, performance, real-world examples, and best practices.