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

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 ...
InfoWorld

Sorting Java objects with Comparable and Comparator

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...
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 ...