11_残りの単一インスタンスbeanを初期化

// Initialize conversion service for this context.
if (beanFactory.containsBean(CONVERSION_SERVICE_BEAN_NAME) &&
    beanFactory.isTypeMatch(CONVERSION_SERVICE_BEAN_NAME,  ConversionService.class)) {
    beanFactory.setConversionService(
    beanFactory.getBean(CONVERSION_SERVICE_BEAN_NAME, ConversionService.class));
}

// Register a default embedded value resolver if no bean post-processor
// (such as a PropertyPlaceholderConfigurer bean) registered any before:
// at this point, primarily for resolution in annotation attribute values.
if (!beanFactory.hasEmbeddedValueResolver()) {
    beanFactory.addEmbeddedValueResolver(new StringValueResolver() {
        @Override
        public String resolveStringValue(String strVal) {
            return getEnvironment().resolvePlaceholders(strVal);
        }
    });
}

// Initialize LoadTimeWeaverAware beans early to allow for registering their transformers early.
String[] weaverAwareNames = beanFactory.getBeanNamesForType(LoadTimeWeaverAware.class, false, false);
for (String weaverAwareName : weaverAwareNames) {
    getBean(weaverAwareName);
}

// Stop using the temporary ClassLoader for type matching.
//  ClassLoader 。
beanFactory.setTempClassLoader(null);

// Allow for caching all bean definition metadata, not expecting further changes.
// bean 
beanFactory.freezeConfiguration();

// Instantiate all remaining (non-lazy-init) singletons.
beanFactory.preInstantiateSingletons();

List beanNames = new ArrayList(this.beanDefinitionNames);