Java优学网枚举定义短文：从基础到实战，轻松掌握枚举最佳实践
publicenumTrafficLight{RED,YELLOW,GREEN}publicenumUserLevel{BRONZE("青铜",0,100),SILVER("白银",101,500),GOLD("黄金",501,2000),PLATINU...
publicenumTrafficLight{RED,YELLOW,GREEN}publicenumUserLevel{BRONZE("青铜",0,100),SILVER("白银",101,500),GOLD("黄金",501,2000),PLATINU...