The class org.apache.commons.collections4.CollectionUtils in the Apache Commons project contains static stateless methods that compliment the methods of the class java.util.Collections. They help to search, process, and compare Java collections. To use this class, you would need to add the following dependency to the Maven configuration file pom.xml:
<dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-collections4</artifactId> <version>4.1</version></dependency>
There are many methods in this class, and more methods will probably be added over time. The just-reviewed Collections class will probably cover most of your needs, especially when you are just entering the field of Java programming. ...
