null-check – CodeRavo

Validating Null and Empty Strings with JSTL c:if, c:choose, and EL Ternary Operator

In web application development using JavaServer Pages (JSP), it’s common to dynamically generate content based on … Validating Null and Empty Strings with JSTL c:if, c:choose, and EL Ternary OperatorRead more

c-choose, c-if, el, empty string, expression-language, javaserver-pages, jsp-tags, jstl, null-check, ternary operator

Understanding and Resolving NullPointerExceptions in Java

What is a NullPointerException? The NullPointerException (NPE) is one of the most common exceptions encountered by … Understanding and Resolving NullPointerExceptions in JavaRead more

debugging, defensive-programming, error handling, exception handling, Java, java-tutorial, null-check, NullPointerException, optional

Checking for `null` and `undefined` in TypeScript: Techniques and Features

Introduction In TypeScript, a statically typed superset of JavaScript, handling null and undefined values is crucial … Checking for `null` and `undefined` in TypeScript: Techniques and FeaturesRead more

javascript-quirks, null-check, nullish-coalescing, optional-chaining, TypeScript, undefined-check

Mastering String Null and Empty Checks in Java

When working with strings in Java, particularly when parsing data like HTML or user input, it’s … Mastering String Null and Empty Checks in JavaRead more

apache-commons-lang, empty-check, google-guava, Java, null-check, string, stringutils

Understanding Null Checks in C#: Best Practices and Techniques

Introduction In C#, null checks are a fundamental aspect of programming, especially when dealing with reference … Understanding Null Checks in C#: Best Practices and TechniquesRead more

c#, collection-initialization, null-check, nullreferenceexception, pattern matching, reference-type, safe-navigation-operator