Math and StrictMath
Java's Math and StrictMath classes — trigonometry, rounding, overflow-safe arithmetic, random numbers, and when cross-platform reproducibility matters.
Java's Math and StrictMath classes — trigonometry, rounding, overflow-safe arithmetic, random numbers, and when cross-platform reproducibility matters.
Java's eight primitive wrapper types — Integer, Long, Double, and friends — covering autoboxing, caching traps, parsing, and when to use primitives vs objects.