BeanValidation1.0ã§ã¯ã@NotNullãªã©ã®åæ¤è¨¼ã¢ããã¼ã·ã§ã³ã«group屿§ãè¨å®ãããã¨ãã§ãã¾ããããã¯ãåããã¡ã¤ã³ãªãã¸ã§ã¯ãã«å¯¾ãã¦ãæ¤è¨¼ã®ã«ã¼ã«ã®ãã¿ã¼ã³ãè¤æ°ããå ´åã«æå¹ã§ãã ä¾ãã°ã以ä¸ã®ãããªç»é¢ãæ³å®ãã¦ã¿ã¾ãã æ¬ã®ç»é²ã§ã¯ãISBNã³ã¼ãã¨ã¿ã¤ãã«ã®ä¸¡æ¹ã®å ¥åãå¿ é ã¨ãã¾ããæ¤ç´¢ã®å ´åã¯ãã©ã¡ãã䏿¹ãæå®ããã¦ããã°è¯ããã¨ã¨ãã¾ãããã®å ¥åå¤ããã¤ã³ãããããã¡ã¤ã³ãªãã¸ã§ã¯ãã¯ä¸¡æ¹ã¨ãæ¬ã示ãBookã¯ã©ã¹ã§ãã /** æ¤ç´¢ã®å ´åã«ã両æ¹ã¨ãå¿ é å ¥åã¨ãªãã±ã¼ã¹ */ public class Book { @NotNull private String isbn; @NotNull private String title; // getterã¨setterã¯çç¥ } ä¸è¨ã®ããã«ãä½ãã°ã«ã¼ããæå®ããã«@NotNullããã£ã¼

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