(二)常量定义
String key = "Id#taobao_" + tradeId; cache.put(key, value);类A中:public static final String YES = "yes"; 类B中:public static final String YES = "y"; A.YES.equals(B.YES) 预期是true,但实际返回为false,导致线上问题。public enum SeasonEnum { SPRING(1), SUMMER(2), AUTUMN(3), WINTER(4); int seq; SeasonEnum(int seq){ this.seq = seq; } }
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