Exemples de Java - Vérifier le fil est vivant
Des exemples Java
L'exemple suivant montre comment l'héritage classe Thread et utiliser la méthode currentThread () pour détecter un fil est vivant:
/* author by w3cschool.cc TwoThreadAlive.java */ public class TwoThreadAlive extends Thread { public void run() { for (int i = 0; i < 10; i++) { printMsg(); } } public void printMsg() { Thread t = Thread.currentThread(); String name = t.getName(); System.out.println("name=" + name); } public static void main(String[] args) { TwoThreadAlive tt = new TwoThreadAlive(); tt.setName("Thread"); System.out.println("before start(), tt.isAlive()=" + tt.isAlive()); tt.start(); System.out.println("just after start(), tt.isAlive()=" + tt.isAlive()); for (int i = 0; i < 10; i++) { tt.printMsg(); } System.out.println("The end of main(), tt.isAlive()=" + tt.isAlive()); } }
Le code ci-dessus est exécuté sortie est:
before start(), tt.isAlive()=false just after start(), tt.isAlive()=true name=main name=Thread name=main name=main name=main name=main name=main name=main name=main name=main name=main name=Thread name=Thread name=Thread name=Thread name=Thread The end of main(), tt.isAlive()=true name=Thread name=Thread name=Thread name=Thread
Des exemples Java