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2.1 Variables, Primitive Data Types & Memory Bit Sizes
Topic Summary
Deep dive into Java's 8 primitive data types, their exact byte footprints in RAM, and how to choose the right type.
What You Will Learn
• Memorize the 8 primitive types and their bit widths.
• Distinguish between integer types (byte, short, int, long) and floating points (float, double).
• Choose memory-efficient data types based on domain constraints.
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