Java 23 for Absolute Beginners: Learn the Fundamentals of Java Programming

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024

I. CosminaJava 23 for Absolute Beginnershttps://doi.org/10.1007/979-8-8688-1041-1_5

5. Data Types

Iuliana Cosmina¹  

(1)

Edinburgh, UK

 

Although we wrote a lot of code in the previous chapter, when designing classes, we used only the simplest data types, a few numeric ones and texts. In the JDK a lot of data types are declared for a multitude of purposes: for modeling calendar dates, for representing multiple types of numerics, and for manipulating texts, collections, data streams, files, database connections, and so on. Aside from the JDK, numerous libraries created by other parties are available that provide even more functionality. The data types provided ...