import java.io.IOException; import java.util.ArrayList; import java.util.UUID; /** * Created by flo on 1/14/2016. */ public class UID { public ArrayList patty; public ArrayList burgerID; public UID () { this.patty = new ArrayList(); this.burgerID = new ArrayList(); } public void addUUID() { UUID mess; String bID = ""; for (int x=0; x<10; x++) { mess = UUID.randomUUID(); bID = mess.toString().substring(24); this.patty.add(mess); this.burgerID.add(bID); } } public void prtUUID() { System.out.print("Printing out the entire UUID.\n"); for (int x=0; x<10; x++) { System.out.println(this.patty.get(x)); } System.out.println("\n"); System.out.print("Printing out the last 12 digits and numbers for this UUID.\n"); for (int x=0; x<10; x++) { System.out.println(this.burgerID.get(x)); } } public static void main(String [] args) throws IOException { UID uid = new UID(); uid.addUUID(); uid.prtUUID(); } }