Java

Generate UUID

See more ULID/UUID Examples

Generates a version 4 UUID, using either uppercase or lowercase hex. Chilkat2 Java

import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder();

        // Generate a lowercase UUID.
        boolean lowercase = true;
        sb.appendUuid(lowercase);
        System.out.println(sb.getAsString());

        // example: edb1bb24-e9be-4ada-98bd-c2d893f29f55

        lowercase = false;
        sb.clear();
        sb.appendUuid(lowercase);
        System.out.println(sb.getAsString());

        // example: 338EAF28-631E-4303-BE27-A8D80E9191CB
    }
}