Removed 2 classes for main and other for Runner. Replaced them with a single class serving both the purposes

Author: hemant

spring-boot/src/main/java/com/baeldung/springbootnonwebapp/Runner.java

@@ -0,0 +1,37 @@
+package com.baeldung.springbootnonwebapp;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * 1. Act as main class for spring boot application
+ * 2. Also implements CommandLineRunner, so that code within run method
+ * is executed before application startup but after all beans are effectively created
+ * @author hemant
+ *
+ */
+@SpringBootApplication
+public class SpringBootConsoleApplication implements CommandLineRunner {
+
+	private static final Logger LOG = LoggerFactory.getLogger(SpringBootConsoleApplication.class);
+
+	public static void main(String[] args) {
+		LOG.info("STARTING THE APPLICATION");
+		SpringApplication.run(SpringBootConsoleApplication.class, args);
+		LOG.info("APPLICATION STARTED");
+	}
+
+	/**
+	 * This method will be executed after the application context is loaded and
+	 * right before the Spring Application main method is completed.
+	 */
+	@Override
+	public void run(String... args) throws Exception {
+		LOG.info("START : command line runner");
+		LOG.info("EXECUTING : command line runner");
+		LOG.info("END   : command line runner");
+	}
+}