The string 5a82f65b-9a1b-41b1-af1b-c9df802d15db is a UUID (Universally Unique Identifier) formatted according to RFC 4122. UUIDs are 128-bit labels used to uniquely identify information in computer systems without requiring a central coordinating authority. The standard representation consists of 32 hexadecimal digits, displayed in five groups separated by hyphens: 8-4-4-4-12.
: Identifying specific users or web sessions. 5a82f65b-9a1b-41b1-af1b-c9df802d15db
import java.util.UUID; System.out.println(UUID.randomUUID().toString()); Use code with caution. 5a82f65b-9a1b-41b1-af1b-c9df802d15db
The format of the string 5a82f65b-9a1b-41b1-af1b-c9df802d15db follows a specific structure separated by hyphens into five distinct groups: 8-4-4-4-128-4-4-4-12 5a82f65b-9a1b-41b1-af1b-c9df802d15db
The identifier highlights the main benefits of UUIDs over simple integers: