Merge pull request mouredev#7015 from danhingar/ejercicio15

#15 - Java

Author: Roswell468

Roadmap/15 - ASINCRONÍA/java/danhingar.java

@@ -0,0 +1,63 @@
+import java.time.LocalDateTime;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class danhingar {
+
+    public static void main(String[] args) throws InterruptedException {
+        Thread thread = taskThread("1", 10);
+        thread.start();
+        taskExecutor("1", 10);
+
+        // Ejercicio extra
+        extraThread();
+
+    }
+
+    private static Thread taskThread(String name, int seconds) {
+        return new Thread(() -> {
+            try {
+                System.out.println("Tarea: " + name + ". Duración: " + seconds + "s. Inicio: " + LocalDateTime.now());
+                Thread.sleep(seconds * 1000);
+                System.out.println("Tarea: " + name + ". Fin: " + LocalDateTime.now());
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        });
+    }
+
+    private static void taskExecutor(String name, int seconds) {
+        ExecutorService threadpool = Executors.newCachedThreadPool();
+        threadpool.submit(() -> {
+            System.out.println("Tarea: " + name + ". Duración: " + seconds + "s. Inicio: " + LocalDateTime.now());
+            try {
+                Thread.sleep(seconds * 1000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            System.out.println("Tarea: " + name + ". Fin: " + LocalDateTime.now());
+        });
+        threadpool.shutdown();
+    }
+
+    private static void extraThread() {
+        Thread threadC = taskThread("C", 3);
+        Thread threadB = taskThread("B", 2);
+        Thread threadA = taskThread("A", 1);
+
+        threadC.start();
+        threadB.start();
+        threadA.start();
+
+        try {
+            threadC.join();
+            threadB.join();
+            threadA.join();
+        } catch (Exception e) {
+            System.out.println("Error al terminar la ejecución");
+        }
+
+        Thread threadD = taskThread("D", 1);
+        threadD.start();
+    }
+}