develog

Primitive Variable bit byte boolean 8 1 char 16 2 byte 8 1 short 16 2 int 32 4 long 64 8 float 32 4 double 64 8

Primitive Variable Wrapper Class boolean Boolean char Character byte Byte short Short int Integer long Long float Float double Double

org.springframework.core.SpringVersion.getVersion()

@Required@Autowired@Inject@Resource@PostConstruct@PreDestroy@Component@Configuration@Bean@Import@Controller@AspectJ@Configurable@Transactional@RequestMapping@RequestParam@RequestBody@ModelAttribute@SessionAttributes@CookieValue@RequestHeader@ExceptionHandler@InitBinder@Scheduled@Async

@Override@Deprecated@SuppressWarnings @Documented@Inherited Meta Annotation (어노테이션 선언에 대한 어노테이션)@Target@Retention @Target 에서 사용 가능한 값@Type(ElementType.TYPE)@Type(ElementType.FIELD)@Type(ElementType.METHOD)@Type(ElementType.PARAMETER)@Type(ElementType.CONSTRUCTOR)@Type(ElementType.LOCAL_VARIABLE)@Type(ElementType.ANNOTATION_TYPE)@Type(ElementType.PACKAGE) // 여러 값 사용시 {} 사용@Type({ElementType.FIELD..

// Marker annotation 정의public @interface MyAnnotation { }// Marker annotation 사용@MyAnnotation // Single-value annotation 정의public @interface MyAnnotation { String value();} // Single-value annotation 사용@MyAnnotation("some data") // Full annotation 정의public @interface MyAnnotation {String name();String age();String gender();} // Full annotation 사용@MyAnnotation(name="", age="", gender="") // defau..