Java Developer Central

Apache Commons Lang CharSet and CharSetUtils

The Apache Commons Lang CharSet represents a set of characters. This post covers the Apache Commons Lang CharSet and CharSetUtils class.

We will learn about the Apache Commons Lang RandomStringUtils class for generating random strings for simple use cases in this post.

A few useful methods have been added to the String class in Java 11 and 12. Let us learn about the new methods in the String class in Java.

Google Guava offers many utility methods to simplify the coding. In this post, we will learn about the utilities in the Google Guava Streams.

Google Guava library has a class called Comparators, which provides static methods for working with Java Comparator instances.

In this post, we will learn about Apache Commons Lang Pair class. We use this class when we have a need to manage one or more pair of values.

The Apache Commons Text WordUtils class has many static utility methods to perform operations on strings that contain words.

Collectors mapping in Java is a static method in the Collectors class. In this post, we will learn about the mapping method in Collectors.

As a follow up of the Comparator comparing post, here we will learn about the Comparator naturalOrder, reverseOrder and reversed methods.

The Objects class has many useful static utility methods. In this post we will learn about the static utility methods in the Objects class.