java randomly generate an ID code example

Example 1: java generate random id

String id = UUID.randomUUID().toString();

Example 2: how to generate random id in java

import java.util.UUID;
public class UUIDExample.
{
public static void main(String[] args)
{
UUID uuid=UUID.randomUUID(); //Generates random UUID.
System.out.println(uuid);
}
}