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Tutorials under 'Optional'

Practical, example-driven posts focused on Java, Spring Boot, backend design, and performance.

Category

exception-handling-with-optional-java

Exception Handling with Optional in Java — When to Prefer and When Not

Learn when to use Optional for exception handling in Java, best practices, pitfalls, real-world examples, and alternatives for resilient code design

Lambdas Optional Functional Programming Java Exception Handling Try Catch Finally Throwable Java Best Practices Custom Exceptions Streams Checked Vs Unchecked Exceptions

handling-null-empty-strings-java

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

Java 11 Empty String Optional StringUtils Defensive Coding Best Practices Java Strings IsBlank Null Check String Manipulation Java 8