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Primitive Data Types Primitive types are the most basic building blocks in Java. They hold raw values and are not objects. There are eight primitive types, categorized into numeric, character, and boolean types. Numeric Types byte: 8-bit signed integer, range: -128 to 127 short: 16-bit signed integer, range: -32,768 to 32,767 int: 32-bit signe ...

Wrapper classes in Java serve as a bridge between primitive data types and objects by encapsulating primitive values into objects. Key aspects of wrapper classes include: Autoboxing and Unboxing: Autoboxing refers to the automatic conversion of primitive values to their corresponding wrapper objects, whereas unboxing performs the reverse oper ...