Скачать или смотреть Java Basics: Data Types | Part 1 (Constants, Math, Division, Casting, Binary)

Welcome to Data Types in Java!
In this lecture, we explore constants, math methods, integer division, type conversions, and binary representation — all the fundamentals that will make your programs more reliable and easier to understand.

What You’ll Learn:

5.1 Constant Variables – final constants, UPPER_SNAKE_CASE naming, and replacing “magic numbers” with named constants like TAX_RATE.

5.2 Math Methods – Common tools like abs, pow, sqrt, min, max, round, floor, and ceil.

5.3 Integer Division & Modulo – How integer division truncates, % for remainder, and patterns for even/odd, cycles, and “every Nth.”

5.4 Type Conversions – Widening vs. narrowing, explicit casts, and when conversions are safe or dangerous.

5.5 Binary – Binary as a representation system, binary literals (0b), underscores for readability, and decimal ↔ binary conversion for small numbers.

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