Review: Primitive & Reference Data Types

**Primitive** Data Types: - **byte**: 8-bit integer (range of -128 to 127) - **short**: 16-bit integer (range of -32768 to 32767) - **int**: 32-bit integer (range of -2147483648 to 2147483647) - **long**: 64-bit integer (range of -9223372036854775808 to 9223372036854775807) - **float**: 32-bit floating point number (range of -3.4028235E38 to 3.4028235E38, with 7 digits of precision) - **double**: 64-bit floating point number (range of -1.7976931348623157E308 to 1.7976931348623157E308, with 15 digits of precision) - **char**: a single 16-bit Unicode character (range of '\u0000' to '\uffff'), use single quotes - **boolean**: `true` or `false` value ***Reference* Data Types:** - **String**: An Object that represents a sequence of characters, use double quotes - **Array**: A container Object of variables that holds a fixed number of values of a single type. - and many others

Java 1 - Variables Part 2