Deeply understand the differences and uses of primitive vs They are created by users and include types like string, class, object, interface, and array. Learn how each handles memory, value storage, and object references. Understand their definitions, memory usage, examples, and how they are used in java programming. Understand java data types in depth—learn the memory size, range, default values, and use‑cases of all primitive types as well as strings, arrays, and classes. They are strings, objects, arrays, etc
Programmers create them and can be assigned with null
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