InfoWorld

Introduction to Java records: Simplified data-centric programming in Java

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...
TheServerSide

Java Scanner import

Community driven content discussing all aspects of software development from DevOps to design patterns. There are two ways to implement the Java Scanner import: explicitly reference the ...
TheServerSide

User input with Java's Console class

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way to garner user input in a Java program is to use the System’s Console class.
InfoWorld

How to use generics in your Java programs

Generics make your code more flexible and easier to read, and they help you avoid ClassCastExceptions at runtime. Get started with this introduction to using generics with the Java Collections ...
GitHub

java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "com.clutcher.w.a()" is null

Since WebStorm 2024.2 I am experiencing this issue using Better Highlights 2024.1.34. The exception triggers quite often while just browsing the code java.lang.NullPointerException: Cannot invoke ...
GitHub

java.lang.NullPointerException: null

[ERROR] 2022-04-25 12:54:44.351 [ShardingSphere-Scaling-execute-4] o.a.s.d.p.core.task.IncrementalTask - importer onFailure, taskId=ds_0 at org.apache.shardingsphere ...