🧐 04. Surprised by Java’s Honesty: Primitive Types and Memory Logic

While starting my Java journey, the first thing I noticed was the absolute "Honesty" of the computer. Unlike human conversation, where context and nuance fill the gaps, a computer refuses to work (throws an error) if even the smallest rule is broken. Understanding "Types" is the key to giving this honest machine clear instructions. Here’s what I’ve learned about how Java handles data. 1. Why is English the Language of IT? (ASCII & Unicode) I grew curious: "Why are most programming languages based on English?" Beyond historical reasons, I found the 'Economic Efficiency of the Alphabet' fascinating. Unlike complex characters in Korean or Chinese, the English alphabet fits perfectly within 128 characters (ASCII), making it optimal for early computing environments with limited memory. This curiosity motivated me to understand Java’s char type (2 bytes, Unicode), which was designed to bridge that gap and embrace global languages. 2. [Key Point] Types are "Glasses" for Data The most inte