Code samples for spring @Async annotation.

spring-all/src/main/java/org/baeldung/async/AsyncAnnotationExample.java

@@ -0,0 +1,43 @@
+package org.baeldung.async;
+
+import java.util.concurrent.Future;
+
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.scheduling.annotation.AsyncResult;
+import org.springframework.stereotype.Component;
+
+@Component
+public class AsyncAnnotationExample {
+
+	@Async
+	public void asyncMethodWithVoidReturnType() {
+		System.out.println("Execute method asynchronously. "
+				+ Thread.currentThread().getName());
+	}
+
+	@Async
+	public Future<String> asyncMethodWithReturnType() {
+		System.out.println("Execute method asynchronously "
+				+ Thread.currentThread().getName());
+		try {
+			Thread.sleep(5000);
+			return new AsyncResult<String>("hello world !!!!");
+		} catch (final InterruptedException e) {
+
+		}
+
+		return null;
+	}
+
+	@Async("threadPoolTaskExecutor")
+	public void asyncMethodWithConfiguredExecutor() {
+		System.out
+				.println("Execute method asynchronously with configured executor"
+				+ Thread.currentThread().getName());
+	}
+
+	@Async
+	public void asyncMethodWithExceptions() throws Exception {
+		throw new Exception("Throw message from asynchronous method. ");
+	}
+}