springboot start logic analysis (b) Description of SpringApplication.run -------

It calls for the link:

    at org.springframework.boot.SpringApplication.run(SpringApplication.java:296)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
    at com.ivy.demo.DemoApplication.main(DemoApplication.java:16)

Code:

public ConfigurableApplicationContext RUN (String ... args) { 
        the StopWatch StopWatch = new new the StopWatch (); 
　　　　 . // (. 1) the recording start time 
        stopWatch.start (); 
        ConfigurableApplicationContext context = null ; 
        Collection <SpringBootExceptionReporter> = exceptionReporters new new the ArrayList <> ( ); 
        configureHeadlessProperty (); 
　　　　　// (2) Get all SpringApplicationRunListener implementation class configuration, and encapsulated into SpringApplicationRunListeners class. 
        SpringApplicationRunListeners the Listeners = getRunListeners (args);
　　　　　. // (. 3) calls a list of listener methods starting
        listeners.starting (); 
         {the try 
            ApplicationArguments applicationArguments = new new DefaultApplicationArguments ( 
                    args); 
　　　　　　　. // (. 4) Prepare the environment 
            ConfigurableEnvironment Environment = prepareEnvironment (the Listeners, 
                    applicationArguments); 
　　　　　　  . // (. 5) The configuration is ignored properties spring.beaninfo.ignore 
            configureIgnoreBeanInfo (Environment); 
　　　　　　　// (6) open to welcome the font. 
            Banner printedBanner = printBanner (Environment); 
　　　　　　　. // (7) create ApplicationContext 
            context = createApplicationContext ();
　　　　　　　// (8) to get the error reporting class. 
            exceptionReporters= getSpringFactoriesInstances(
                    SpringBootExceptionReporter.class,
                    new Class[] { ConfigurableApplicationContext.class }, context);
            prepareContext(context, environment, listeners, applicationArguments,
                    printedBanner);
            refreshContext(context);
            afterRefresh(context, applicationArguments);
            stopWatch.stop();
            if (this.logStartupInfo) {
                new StartupInfoLogger(this.mainApplicationClass)
                        .logStarted(getApplicationLog(), stopWatch);
            }
            listeners.started(context);
            callRunners(context, applicationArguments);
        }
        catch (Throwable ex) {
            handleRunFailure(context, ex, exceptionReporters, listeners);
            throw new IllegalStateException(ex);
        }

        try {
            listeners.running(context);
        }
        catch (Throwable ex) {
            handleRunFailure(context, ex, exceptionReporters, null);
            throw new IllegalStateException(ex);
        }
        return context;
    }