Exemplo de Manipulação de Threads em Java

package aulaThread import javautilArrayList import javautilList public class Principal public static int x 0 public static ListString listagem new ArrayListString public static void mainString args throws InterruptedException Runnable r1 SystemoutprintlnFazendo algo dentro de uma funcao lamba ThreadcurrentThreadgetName SystemlineSeparator Operacao p1 new Operacao Thread t1 new Threadp1 Primeira Thread Thread t2 new Threadp1 Segunda Thread Thread t4 new Threadp1 Quarta Thread Thread t3 new Threadr1 Outra Thread Systemoutprintlnt1getState t1setPriorityThreadMAXPRIORITY SystemoutprintlnPrioridade da thread 1 t1getPriority t1start t2start t3start t4start t1join t2join try t1join t2join t4join catch InterruptedException e eprintStackTrace Systemoutprintlnt1getPriority Systemoutprintlnt1getState Systemoutprintlnt2getState Systemoutprintlnt3getState Systemoutprintlnt4getState SystemoutprintlnFim do metodo principal ThreadcurrentThreadgetName Systemoutprintlnvalor de x x SystemoutprintlnOs dados da lista listagem