import java.util.Arrays;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ConfigurableApplicationContext;
/***********************************************************************************************************
 * Java File: MainApplication.java
 * Description: Main class to run the application.
 ***********************************************************************************************************/
@SpringBootApplication
public class MainApplication {
private static final Logger logger = LogManager.getLogger(MainApplication.class);
public static void main(String[] args) 
    final ConfigurableApplicationContext context = SpringApplication.run(MainApplication.class, args);
    final AtomicInteger counter = new AtomicInteger(0);
    logger.info("**************** START: Total Bean Objects: {} ******************", context.getBeanDefinitionCount());
    Arrays.asList(context.getBeanDefinitionNames())
    .forEach(beanName -> {
        logger.info("{}) Bean Name: {} ", counter.incrementAndGet(), beanName);
    logger.info("**************** END: Total Bean: {} ******************", context.getBeanDefinitionCount());
Sample Output:
2019-11-27 20:08:02.821 INFO  [main] [c.c.a.MainApplication:18] - **************** START: Total Bean Objects: 564 ****************** 
...........................
2019-11-27 20:08:02.821 INFO  [main] [c.c.a.MainApplication:22] - 460) Bean Name: mvcPathMatcher