ClassPathScanningCandidateComponentProvider

ClassPathScanningCandidateComponentProvider classPathScanningCandidateComponentProvider = new ClassPathScanningCandidateComponentProvider(false);

Set<BeanDefinition> beanDefinitions= classPathScanningCandidateComponentProvider.findCandidateComponents("com");

for (BeanDefinition beanDefinition: beanDefinitions)
{
beanDefinition.getBeanClassName()

}

NOTE : we can filter by annotation name

classPathScanningCandidateComponentProvider.addIncludeFilter(new TypeFilter() {
@Override
public boolean match(MetadataReader metadataReader, MetadataReaderFactory metadataReaderFactory) throws      IOException{
return metadataReader.getAnnotationMetadata().getAnnotationTypes().contains(annotationClass.getName());
}
});
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