BAEL-2490 Code samples (#6211)

* Added initial samples

* Added initial samples

* Awaitility updated

spring-5/src/main/java/com/baeldung/config/ScheduledConfig.java

@@ -0,0 +1,11 @@
+package com.baeldung.config;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.scheduling.annotation.EnableScheduling;
+
+@Configuration
+@EnableScheduling
+@ComponentScan("com.baeldung.scheduled")
+public class ScheduledConfig {
+}

spring-5/src/main/java/com/baeldung/scheduled/Counter.java

@@ -0,0 +1,20 @@
+package com.baeldung.scheduled;
+
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+@Component
+public class Counter {
+    private final AtomicInteger count = new AtomicInteger(0);
+
+    @Scheduled(fixedDelay = 5)
+    public void scheduled() {
+        this.count.incrementAndGet();
+    }
+
+    public int getInvocationCount() {
+        return this.count.get();
+    }
+}