GitHub

Please allow access to properties on java.util.Collections$SingletonList

Using Spring Boot 3.1.0 (and therefore Spring Framework 6.0.9 and Thymeleaf 3.1.1), I'm trying to use an expression like list.size gt 1 in a template. I get this error: ...
GitHub

class java.util.Collections$SingletonList cannot be cast to class java.lang.String

java.lang.ClassCastException: class java.util.Collections$SingletonList cannot be cast to class java.lang.String (java.util.Collections$SingletonList and java.lang.String are in module java.base of ...
InfoWorld

Immutable empty collections and iterators

Have you ever wondered why the java.util.Collections class includes various “empty” class methods, which return immutable empty collections and immutable empty iterators? This post answers this ...
InfoWorld

Functional programming with Java collections

There are many ways to do anything in Java, and there is no conclusive right way. Often, the right way is simply the way you know best. Imperative loops like the for loop are the most basic way to do ...
InfoQ

How to Speed up Large Collections Processing in Java

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...