[Java] No More Fear! Basics and Countermeasures for "Exception and Error Handling" Useful in Practice

"The program suddenly crashed... the cause was a NullPointerException.""Is error handling just about writing try-catch blocks ...

Things to Know Before Starting Java: From Environment Setup to Your First Step

From Environment Setup to Your First Step"I want to start programming, but where should I begin?"For those of you asking this ...
InfoWorld

Class and object initialization in Java

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...
InfoWorld

Add dynamic Java code to your application

JavaServer Pages (JSP) is a more flexible technology than servlets because it can respond to dynamic changes at runtime. Can you imagine a common Java class that has this dynamic capability too? It ...
TheServerSide

3 simple Java Hello World examples

Java 24 removed synchronized-based virtual thread pinning. Learn what pinning remains, how to detect it with JFR, and how to protect applicati... Use JUnit, Cucumber, REST Assured, Selenium and JMeter ...
Ars Technica

How to force a Java class to load and have its static initializers execute?

I have a class with a number of static inner classes. These inner classes have static data members, and I'd like to have all of these static data members get executed all at once, when the top-level ...
TheServerSide

How to use Java's functional Consumer interface example

Can you explain object-oriented programming to me like I'm 5 years old? Probably not. But here's a straightforward explanation of what OOP is ... Use Spring MVC MultipartFile, Java Path APIs and the ...