Web Reference: Jan 16, 2026 · Primitive data types store simple values directly in memory. Java provides eight primitive data types, each with a fixed size and range, which are summarized below: Data types are divided into two groups: Primitive data types - includes byte, short, int, long, float, double, boolean and char Non-primitive data types - such as String, Arrays and Classes (you will learn more about these in a later chapter) Learn about the eight primitive data types supported by the Java programming language, their ranges, default values, and how to use them in your code. Also, find out how to use the String class for character strings and the Number classes for unsigned integers.
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