Java: Data Science Made Easy

Commons Lang

Apache Commons Lang is a set of utility classes that extend the java.util package and they make the life of a Java developer a lot easier by providing many little methods that solve common problems and save a lot of time.

To include external libraries in Java, we usually use Maven, which makes it very easy to manage dependencies. With Maven, the Apache Commons Lang library can be included using this dependency snippet:

<dependency>   <groupId>org.apache.commons</groupId>   <artifactId>commons-lang3</artifactId>   <version>3.4</version> </dependency>

The library contains a lot of methods useful for general-purpose Java programming, such as making it easier to implement the equals and hashCode methods for objects, serialization ...